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1. Terada T: Endometriosis of the Vermiform Appendix Presenting as a Tumor. Gastroenterology Res; 2009 Dec;2(6):353-355
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Endometriosis of the Vermiform Appendix Presenting as a Tumor.
  • : Endometriosis of the vermiform appendix is a rare condition.
  • Most patients with this disease are asymptomatic or present as acute or chronic appendicitis.
  • The author herein reports a case of appendiceal endometriosis presenting as a tumor at the appendiceal oriffice.
  • A colon endoscopy showed a tumor in the appendiceal orifice.
  • Two biopsies of the tumor showed no remarkable changes.
  • Imaging modalities including CT and MRI also revealed an appendiceal tumor.
  • Resection of appendix, cecum, ascending colon, terminal ileum, and 16 lymph nodes were performed under the clinical diagnosis of gastrointestinal stromal tumor.
  • Grossly, a tumor measuring 3 x 3 x 3 cm was recognized in the appendiceral orifice.
  • Histologically, the tumor was endometriosis consisting of islands of endometrial glands and stroma.
  • The present case suggests that appendiceal endometriosis may present as a tumor.

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  • (PMID = 27990206.001).
  • [ISSN] 1918-2805
  • [Journal-full-title] Gastroenterology research
  • [ISO-abbreviation] Gastroenterology Res
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Canada
  • [Keywords] NOTNLM ; Appendix / Endometriosis / Lymph nodes
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2. Lohsiriwat V, Vongjirad A, Lohsiriwat D: Incidence of synchronous appendiceal neoplasm in patients with colorectal cancer and its clinical significance. World J Surg Oncol; 2009;7:51
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Incidence of synchronous appendiceal neoplasm in patients with colorectal cancer and its clinical significance.
  • BACKGROUND: The aims of this study were to evaluate the incidence of synchronous appendiceal neoplasm in patients with colorectal cancer, and to determine its clinical significance.
  • METHODS: Pathological reports and medical records were reviewed of patients with colorectal adenocarcinoma who underwent oncological resection of the tumor together with appendectomy at the Faculty of Medicine Siriraj Hospital, Mahidol University, Thailand between September 2000 and April 2008.
  • One patient (0.3 percent) had epithelial appendiceal neoplasm (mucinous cystadenoma) and 3 patients (1.0 percent) had metastatic colorectal cancer in the mesoappendix.
  • However, the presence of synchronous appendiceal tumors and/or metastasis did not alter postoperative management, as these patients had received adjuvant therapy and were scheduled for surveillance program because of nodal involvement.
  • CONCLUSION: The incidence of synchronous primary appendiceal neoplasm and secondary (metastatic) appendiceal neoplasm in colorectal cancer patients was 0.3 and 1.0 percent, respectively.
  • [MeSH-major] Appendiceal Neoplasms / epidemiology. Colorectal Neoplasms / epidemiology. Neoplasms, Multiple Primary / epidemiology

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  • (PMID = 19490638.001).
  • [ISSN] 1477-7819
  • [Journal-full-title] World journal of surgical oncology
  • [ISO-abbreviation] World J Surg Oncol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
  • [Other-IDs] NLM/ PMC2698838
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3. Shapiro JF, Chase JL, Wolff RA, Lambert LA, Mansfield PF, Overman MJ, Ohinata A, Liu J, Wang X, Eng C: Modern systemic chemotherapy in surgically unresectable neoplasms of appendiceal origin: a single-institution experience. Cancer; 2010 Jan 15;116(2):316-22
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Modern systemic chemotherapy in surgically unresectable neoplasms of appendiceal origin: a single-institution experience.
  • BACKGROUND: Appendiceal neoplasms include tumors ranging from benign-appearing cells with widespread mucin deposits to aggressive poorly differentiated signet ring cell adenocarcinomas.
  • Traditionally, these tumors are treated with cytoreductive surgery followed by hyperthermic intraperitoneal chemotherapy.
  • A retrospective analysis was conducted to determine the benefit of modern systemic chemotherapy in patients with disseminated appendiceal neoplasm who were not considered optimal candidates for cytoreductive surgery.
  • Anderson Cancer Center tumor registry between January 2000 and July 2005.
  • RESULTS: Of 186 patients diagnosed with appendiceal neoplasm, 54 (29%) patients considered to be suboptimal surgical candidates received > or =2 cycles of systemic chemotherapy.
  • Thirty (55.6%) patients had a disease control rate noted as a complete response, partial response, or stable disease.
  • CONCLUSIONS: Systemic chemotherapy has a role in appendiceal neoplasm patients who are suboptimal candidates for cytoreductive surgery.
  • The intermediate PFS indicates the challenges that exist for appendiceal neoplasm patients in this setting.
  • [MeSH-major] Antineoplastic Combined Chemotherapy Protocols / administration & dosage. Appendiceal Neoplasms / drug therapy
  • [MeSH-minor] Adult. Aged. Disease-Free Survival. Female. Humans. Hyperthermia, Induced. Injections, Intraperitoneal. Male. Middle Aged. Retrospective Studies. Survival Analysis

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  • (PMID = 19904805.001).
  • [ISSN] 0008-543X
  • [Journal-full-title] Cancer
  • [ISO-abbreviation] Cancer
  • [Language] eng
  • [Publication-type] Evaluation Studies; Journal Article
  • [Publication-country] United States
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4. Gilboa Y, Fridman E, Ofir K, Achiron R: Carcinoid tumor of the appendix: ultrasound findings in early pregnancy. Ultrasound Obstet Gynecol; 2008 May;31(5):576-8
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Carcinoid tumor of the appendix: ultrasound findings in early pregnancy.
  • Ultrasound examination of a woman in early pregnancy with right lower quadrant abdominal pain demonstrated an edematous appendix with amorphous fluid surrounding the appendix.
  • On pathological evaluation following surgical removal of the appendix a rare case of carcinoid tumor of the appendix was diagnosed.
  • This is the first description of the transvaginal ultrasound features of a carcinoid tumor of the appendix.
  • [MeSH-major] Appendiceal Neoplasms / ultrasonography. Carcinoid Tumor / ultrasonography. Pregnancy Complications, Neoplastic / ultrasonography

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  • [Copyright] Copyright (c) 2008 ISUOG
  • (PMID = 18393270.001).
  • [ISSN] 1469-0705
  • [Journal-full-title] Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology
  • [ISO-abbreviation] Ultrasound Obstet Gynecol
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] England
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5. Murphy EM, Sexton R, Moran BJ: Early results of surgery in 123 patients with pseudomyxoma peritonei from a perforated appendiceal neoplasm. Dis Colon Rectum; 2007 Jan;50(1):37-42
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Early results of surgery in 123 patients with pseudomyxoma peritonei from a perforated appendiceal neoplasm.
  • PURPOSE: Epithelial appendiceal tumors are uncommon but can present as an emergency simulating appendicitis, or unexpectedly at laparotomy, laparoscopy, or on cross-sectional imaging.
  • We report the operative findings, pathologic assessment, and early outcomes in 123 consecutive patients with a perforated appendiceal neoplasm presenting as pseudomyxoma peritonei.
  • Complete tumor removal (cytoreduction) was attempted in selected patients and, if achieved, surgery was combined with intraoperative, intraperitoneal mitomycin C (10 mg/m(2)).
  • RESULTS: In total, 123 patients (52 males; 41 percent) underwent laparotomy for a perforated appendiceal malignancy presenting as pseudomyxoma peritonei.
  • Kaplan-Meier analysis of the 83 patients who had complete tumor removal predicted 75 percent disease-free survival at five years.
  • CONCLUSIONS: A perforated appendiceal epithelial tumor most frequently presents as pseudomyxoma peritonei.
  • This treatment strategy, involving surgery and intraperitoneal chemotherapy, can result in good outcomes in this rare and otherwise fatal disease.
  • [MeSH-major] Appendiceal Neoplasms / pathology. Peritoneal Neoplasms / pathology. Pseudomyxoma Peritonei / pathology
  • [MeSH-minor] Adult. Aged. Biomarkers, Tumor / analysis. Combined Modality Therapy. Female. Humans. Male. Middle Aged. Postoperative Complications. Rupture

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  • [CommentIn] Nat Clin Pract Gastroenterol Hepatol. 2007 Sep;4(9):490-1 [17667901.001]
  • (PMID = 17115339.001).
  • [ISSN] 0012-3706
  • [Journal-full-title] Diseases of the colon and rectum
  • [ISO-abbreviation] Dis. Colon Rectum
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor
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6. Chen HT, Lee YT, Chou AS, Wu YK, Yin WY, Lee MC, Hsu YH: Primary appendiceal malignancy: a clinicopathologic study. Kaohsiung J Med Sci; 2006 Dec;22(12):618-25

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Primary appendiceal malignancy: a clinicopathologic study.
  • Primary appendiceal cancer is a rare neoplasm.
  • We analyzed the clinicopathologic characteristics and clinical outcomes of patients with primary appendiceal cancer treated at Buddhist Tzu Chi General Hospital in Eastern Taiwan.
  • We reviewed the medical records of patients who had appendectomy at our hospital over a 10-year period and studied those who had histologically proven malignant appendiceal neoplasms.
  • No patient was diagnosed correctly before surgery, and five (62.5%) had a preoperative diagnosis of acute appendicitis.
  • The important prognostic factors of primary appendiceal cancer included histologic subtypes and the extent of dissemination.
  • [MeSH-major] Appendiceal Neoplasms / pathology

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  • (PMID = 17116623.001).
  • [ISSN] 1607-551X
  • [Journal-full-title] The Kaohsiung journal of medical sciences
  • [ISO-abbreviation] Kaohsiung J. Med. Sci.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] China (Republic : 1949- )
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7. Gupta S, Parsa V, Adsay V, Heilbrun LK, Smith D, Shields AF, Weaver D, Philip PA, El-Rayes BF: Clinicopathological analysis of primary epithelial appendiceal neoplasms. Med Oncol; 2010 Dec;27(4):1073-8
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Clinicopathological analysis of primary epithelial appendiceal neoplasms.
  • Appendiceal carcinomas are classified into three distinct histopathological disease entities: disseminated peritoneal adenomucinosis (DPAM), peritoneal mucinous carcinomatosis (PMCA), or peritoneal mucinous carcinomatosis with intermediate or discorant features (PMCA I/D).
  • The treatment of appendiceal tumors should be based on accurate histopathological classification, per previously reported case series.
  • The objective of this study was to evaluate the clinicopathologic presentation and outcome of patients with appendiceal tumors treated at our institution over a 15-year period.
  • We identified patients with appendiceal tumors diagnosed or treated at our institution from January 1989 through May 2004.
  • Chart review for age, gender, signs and symptoms at diagnosis, and treatment was performed.
  • Review of the pathologic specimens was performed and tumors were classified as DPAM, PMCA I/D, or PMCA.
  • Three distinct histopathological disease entities exist in appendiceal tumors.
  • The prognosis and management of these tumors should be based on the extent of disease and pathologic diagnosis.

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  • (PMID = 19851895.001).
  • [ISSN] 1559-131X
  • [Journal-full-title] Medical oncology (Northwood, London, England)
  • [ISO-abbreviation] Med. Oncol.
  • [Language] ENG
  • [Grant] United States / NCI NIH HHS / CA / P30 CA022453; United States / NCI NIH HHS / CA / CA-22453
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural
  • [Publication-country] United States
  • [Other-IDs] NLM/ NIHMS513798; NLM/ PMC3883058
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8. Neves GR, Chapchap P, Sredni ST, Viana CR, Mendes WL: Childhood carcinoid tumors: description of a case series in a Brazilian cancer center. Sao Paulo Med J; 2006 Jan 5;124(1):21-5
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Childhood carcinoid tumors: description of a case series in a Brazilian cancer center.
  • CONTEXT AND OBJECTIVE: Carcinoid tumors are very rare both in children and adults.
  • About 85% of these tumors develop in the gastrointestinal tract.
  • The objective of the present study was to describe our experience with children treated of carcinoid tumors, and investigate the frequency morphological findings and results.
  • DESIGN AND SETTING: Report on case series, at the Department of Pediatrics of Centro de Tratamento e Pesquisa Hospital do Câncer, São Paulo.
  • METHODS: This was a retrospective analysis of clinical pathological data and outcomes among children (< 18 years old) with carcinoid tumors admitted from January 1, 1990, to December 31, 2001.
  • In eight cases (89%), the primary tumor site was the appendix and in one (11%) it was the left bronchus.
  • For those with primary tumor in the appendix, the main complaint was abdominal pain, which led to appendectomy.
  • Only one patient underwent right hemicolectomy due to tumor extension into the serosa.
  • The patient with bronchial tumor underwent left pneumonectomy.
  • All patients had localized disease and are alive and free of disease.
  • CONCLUSION: Although the majority of carcinoid tumors arise from the appendix, these tumors can also occur in other primary sites.
  • [MeSH-major] Appendiceal Neoplasms / pathology. Carcinoid Tumor / pathology
  • [MeSH-minor] Adolescent. Brazil. Child. Child, Preschool. Female. Follow-Up Studies. Humans. Immunohistochemistry. Male. Neoplasm Invasiveness. Retrospective Studies. Sex Factors

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  • (PMID = 16612458.001).
  • [ISSN] 1516-3180
  • [Journal-full-title] São Paulo medical journal = Revista paulista de medicina
  • [ISO-abbreviation] Sao Paulo Med J
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Brazil
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9. Dupre MP, Jadavji I, Matshes E, Urbanski SJ: Diverticular disease of the vermiform appendix: a diagnostic clue to underlying appendiceal neoplasm. Hum Pathol; 2008 Dec;39(12):1823-6
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  • [Title] Diverticular disease of the vermiform appendix: a diagnostic clue to underlying appendiceal neoplasm.
  • Acquired diverticula of the vermiform appendix are rare and arise as a result of different pathogenetic mechanisms.
  • One of the etiologies includes proximally located, often unsuspected small neoplasms.
  • Although the association of appendiceal diverticulosis and neoplasia is known, it remains underemphasized in the teaching and practice of surgical pathology.
  • To investigate the frequency of appendiceal neoplasms with acquired diverticulosis, we conducted a retrospective analysis of all appendectomy specimens received in our institution for a 55-month period (January 2002-July 2006).
  • Eleven (48%) appendectomy specimens with diverticulosis also harbored an appendiceal neoplasm.
  • The association of appendiceal neoplasms with diverticulosis was statistically significant (P < .0001, 2-sided Fisher exact test).
  • Neoplastic processes included 5 well-differentiated neuroendocrine tumors (carcinoids), 3 mucinous adenomas, 1 tubular adenoma, and 2 adenocarcinomas.
  • We stress the need for meticulous gross assessment with histologic examination of the entire appendectomy specimen in cases of appendiceal diverticulosis.
  • Thorough examination is required to rule out an underlying neoplasm as a cause of diverticulosis.
  • As acquired diverticula represent a rare finding, examination of the entire appendix in this setting does not create a significant impact on the workload within the pathologic laboratory.
  • [MeSH-major] Adenocarcinoma / pathology. Appendiceal Neoplasms / pathology. Appendix / pathology. Carcinoid Tumor / pathology. Cystadenoma, Mucinous / pathology. Diverticulum / pathology

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  • (PMID = 18715614.001).
  • [ISSN] 1532-8392
  • [Journal-full-title] Human pathology
  • [ISO-abbreviation] Hum. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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10. Liberale G, Lemaitre P, Noterman D, Moerman C, de Neubourg E, Sirtaine N, El Nakadi I: How should we treat mucinous appendiceal neoplasm? By laparoscopy or laparotomy? A case report. Acta Chir Belg; 2010 Mar-Apr;110(2):203-7

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] How should we treat mucinous appendiceal neoplasm? By laparoscopy or laparotomy? A case report.
  • Appendicular mucocele (AM) usually denotes a dilatation of the appendiceal lumen as a result of mucus accumulation that may be related to various neoplastic and non-neoplastic processes.
  • The macroscopic aspect of the appendix suggested the diagnosis intra-operatively and every effort was made to avoid cystic rupture during appendicular resection.
  • The histopathological diagnosis was mucinous cystadenoma.
  • [MeSH-major] Appendiceal Neoplasms / surgery. Appendix. Cecal Diseases / surgery. Cystadenoma, Mucinous / surgery. Laparoscopy. Laparotomy. Mucocele / surgery

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  • (PMID = 20514834.001).
  • [ISSN] 0001-5458
  • [Journal-full-title] Acta chirurgica Belgica
  • [ISO-abbreviation] Acta Chir. Belg.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Belgium
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11. Murphy EM, Farquharson SM, Moran BJ: Management of an unexpected appendiceal neoplasm. Br J Surg; 2006 Jul;93(7):783-92
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Management of an unexpected appendiceal neoplasm.
  • BACKGROUND: Appendiceal neoplasms are rare and most present unexpectedly as acute appendicitis.
  • METHODS: A systematic literature review was performed to access relevant publications on the presentation, pathology and management of appendiceal tumours.
  • RESULTS: Appendiceal tumours account for 0.4 to 1 per cent of all gastrointestinal tract malignancies and are found in 0.7 to 1.7 per cent of appendicectomy specimens.
  • Most are cured by simple appendicectomy if the tumour is less than 2 cm in size and does not involve the resection margin or mesoappendix.
  • Epithelial tumours may present with, or in time develop, pseudomyxoma peritonei, the optimal management of which involves complete tumour resection and intraperitoneal chemotherapy, usually available only in specialized centres.
  • CONCLUSION: Suggested algorithms for the management of unexpected appendiceal tumours are provided.
  • Recommendations are made for follow-up of patients with a perforated appendiceal epithelial tumour.
  • [MeSH-major] Appendectomy / methods. Appendiceal Neoplasms / surgery
  • [MeSH-minor] Humans. Incidental Findings. Neoplasm Staging. Treatment Outcome

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  • [Copyright] Copyright 2006 British Journal of Surgery Society Ltd.
  • (PMID = 16775823.001).
  • [ISSN] 0007-1323
  • [Journal-full-title] The British journal of surgery
  • [ISO-abbreviation] Br J Surg
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] England
  • [Number-of-references] 94
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12. Caiazzo P, Comentale A, Rampone B, Di Lascio P, Morlino A, Pastore M, Del Vecchio G, Tramutoli PR: [Giant appendiceal mucocele during laparotomy for acute abdomen. Report of a case and brief review]. G Chir; 2010 Nov-Dec;31(11-12):511-3

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] [Giant appendiceal mucocele during laparotomy for acute abdomen. Report of a case and brief review].
  • The authors describe a case of giant appendiceal mucocele, secondary to a mucinous neoplasm of the appendix, diagnosed during laparotomy for acute abdomen.
  • By a review of the literature they stress the rarity of this lesion, the particular onset in their case as acute complication of appendiceal neoplasm with rupture of the intestinal wall, the difficulties of diagnosis and management in emergency.
  • [MeSH-major] Abdomen, Acute / surgery. Appendiceal Neoplasms / diagnosis. Appendix. Cystadenoma, Mucinous / diagnosis. Laparotomy. Mucocele / pathology. Mucocele / surgery
  • [MeSH-minor] Aged. Body Mass Index. Diagnosis, Differential. Female. Humans. Incidental Findings. Obesity / complications. Risk Factors. Treatment Outcome

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  • (PMID = 21232194.001).
  • [ISSN] 0391-9005
  • [Journal-full-title] Il Giornale di chirurgia
  • [ISO-abbreviation] G Chir
  • [Language] ita
  • [Publication-type] Case Reports; English Abstract; Journal Article; Review
  • [Publication-country] Italy
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13. Basic-Jukic N, Furic-Cunko V, Coric M, Bubic-Filipi LJ, Kastelan Z, Pasini J, Kes P: Appendiceal carcinoid and mucinous cystadenoma in renal transplant recipients: case reports. Transplant Proc; 2010 Jun;42(5):1704-7
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Appendiceal carcinoid and mucinous cystadenoma in renal transplant recipients: case reports.
  • There is an increased incidence of tumors among renal transplant patients, which are associated with immunosuppression.
  • Carcinoids are rare neuroendocrine tumors that arise from the enterochromaffin cells.
  • Although appendiceal carcinoid tumors are the commonest malignant neoplasms affecting the appendix, and mucinous cystadenoma is the commonest benign appendiceal neoplasm, they have not been reported in immunosuppressed patients.
  • We present two renal transplant recipients who developed combined appendiceal carcinoid and mucinous cystadenoma.
  • [MeSH-major] Appendiceal Neoplasms / etiology. Cystadenoma, Mucinous / etiology. Kidney Transplantation / adverse effects
  • [MeSH-minor] Adult. Female. Humans. Kidney Failure, Chronic / surgery. Magnetic Resonance Imaging. Male. Neoplasms / epidemiology. Neoplasms / etiology. Neoplasms / pathology. Neoplasms / surgery. Ovarian Neoplasms / pathology. Ovarian Neoplasms / surgery

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  • (PMID = 20620505.001).
  • [ISSN] 1873-2623
  • [Journal-full-title] Transplantation proceedings
  • [ISO-abbreviation] Transplant. Proc.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
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14. Hayama T, Matsuda K, Shibuya H, Akahane T, Horiuchi A, Shimada R, Aoyagi Y, Nakamura K, Yamada H, Ishihara S, Nozawa K, Watanabe T: A case of appendiceal Crohn's disease in which a laparoscopic appendectomy was performed. Int Surg; 2010 Oct-Dec;95(4):338-42
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  • [Title] A case of appendiceal Crohn's disease in which a laparoscopic appendectomy was performed.
  • She underwent a barium enema examination during a medical checkup, which revealed a wall irregularity around the appendix, but the appendix itself was not visualized.
  • The patient was referred to our hospital for possible appendiceal neoplasm.
  • Colonoscopy revealed a tumor-like protrusion with marked redness at the entrance to the appendix.
  • Differential diagnosis of appendiceal Crohn's disease or appendiceal neoplasm was made, and laparoscopic appendectomy was performed.
  • Pathologic examination revealed inflammation in all layers of the appendiceal wall and noncaseating epithelioid cell granuloma, and a diagnosis of appendiceal Crohn's disease was made.
  • [MeSH-major] Appendectomy / methods. Appendicitis / surgery. Crohn Disease / surgery. Laparoscopy
  • [MeSH-minor] Aged. Biopsy. Colonoscopy. Diagnosis, Differential. Female. Humans. Positron-Emission Tomography. Tomography, X-Ray Computed

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  • (PMID = 21309418.001).
  • [ISSN] 0020-8868
  • [Journal-full-title] International surgery
  • [ISO-abbreviation] Int Surg
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Italy
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15. Yonemura Y, Tsukiyama G, Miyata R, Sako S, Endou Y, Hirano M, Mizumoto A, Matsuda T, Takao N, Ichinose M, Miura M, Hagiwara A, Li Y: Indication of peritonectomy for peritoneal dissemination. Gan To Kagaku Ryoho; 2010 Nov;37(12):2306-11
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  • Each of the 95, 58, 316, 31, 10 and 11 patients were from gastric, colorectal, appendiceal, ovarian, small bowel cancer and mesothelioma, respectively.
  • Peritonectomy was performed with a radical resection of the primary tumor and all gross PC with involved organs, peritoneum, or tissue that was deemed technically feasible and safe for the patient.
  • In appendiceal neoplasm, patients with PCI score less than 28 showed significantly better survival than those with PCI score greater than 29.
  • Among the various prognostic factors in appendiceal neoplasm and gastric cancer patients, CC-0 complete cytoreduction was the most important independent prognostic factor.
  • Peritonectomy is done to remove macroscopic disease and perioperative intraperitoneal chemotherapy to eradicate microscopic residual disease aiming to remove disease completely with a single procedure.
  • [MeSH-major] Carcinoma / surgery. Peritoneal Neoplasms / surgery. Peritoneum / surgery
  • [MeSH-minor] Aged. Appendiceal Neoplasms / drug therapy. Appendiceal Neoplasms / surgery. Colorectal Neoplasms / drug therapy. Colorectal Neoplasms / surgery. Combined Modality Therapy. Female. Humans. Intestinal Neoplasms / drug therapy. Intestinal Neoplasms / surgery. Male. Mesothelioma / drug therapy. Mesothelioma / surgery. Ovarian Neoplasms / drug therapy. Ovarian Neoplasms / surgery. Postoperative Complications. Stomach Neoplasms / drug therapy. Stomach Neoplasms / surgery. Treatment Outcome

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  • (PMID = 21224556.001).
  • [ISSN] 0385-0684
  • [Journal-full-title] Gan to kagaku ryoho. Cancer & chemotherapy
  • [ISO-abbreviation] Gan To Kagaku Ryoho
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Japan
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16. Puebla-Maestu A, Martín-Lorente JL, Gento-Peña E, Alonso-Alonso E, Claver-Criado M, Fernández-Fernández A: [Microhematuria secondary to mucocele and appendicular cystoadenoma]. Gastroenterol Hepatol; 2006 Jan;29(1):25-8

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  • Appendiceal mucocele is a rare entity consisting of cystic dilatation of the appendix as a result of increased mucus production.
  • This appendiceal neoplasm is frequently associated with other extraintestinal and colonic tumors and therefore adequate abdominal examination is necessary.
  • We describe the case of a woman with hematuria associated with an appendiceal mucocele.
  • Survival in patients with appendiceal cystadenoma is excellent.
  • [MeSH-major] Appendiceal Neoplasms / diagnosis. Cystadenoma / diagnosis. Mucocele / diagnosis

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  • (PMID = 16393627.001).
  • [ISSN] 0210-5705
  • [Journal-full-title] Gastroenterología y hepatología
  • [ISO-abbreviation] Gastroenterol Hepatol
  • [Language] spa
  • [Publication-type] Case Reports; English Abstract; Journal Article
  • [Publication-country] Spain
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17. Bijelic L, Yan TD, Sugarbaker PH: Treatment failure following complete cytoreductive surgery and perioperative intraperitoneal chemotherapy for peritoneal dissemination from colorectal or appendiceal mucinous neoplasms. J Surg Oncol; 2008 Sep 15;98(4):295-9
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  • [Title] Treatment failure following complete cytoreductive surgery and perioperative intraperitoneal chemotherapy for peritoneal dissemination from colorectal or appendiceal mucinous neoplasms.
  • BACKGROUND: Peritonectomy combined with perioperative intraperitoneal chemotherapy is a successful treatment option for patients with peritoneal dissemination of appendiceal and colorectal malignancy.
  • METHODS: Patients with peritoneal dissemination from appendiceal or colorectal malignancy who underwent complete cytoreduction and perioperative intraperitoneal chemotherapy were included in this study.
  • Data regarding recurrent disease found on abdominal exploration and/or diagnostic studies was extracted from a prospective database and analyzed.
  • RESULTS: Seventy patients with colorectal cancer carcinomatosis and 402 with appendiceal neoplasm were analyzed.
  • The median survival of 49 patients with colorectal cancer was 33 months while the median survival for patients with appendiceal neoplasms was not reached.
  • The most common type of recurrent disease was a localized intra-abdominal recurrence for both appendiceal and colon cancer patients.
  • Patients who underwent second surgery for recurrent disease had an improved survival.
  • This resulted in 5-year survival in 17% of colorectal patients and 70% of the appendiceal mucinous neoplasm patients.
  • [MeSH-major] Adenocarcinoma, Mucinous / therapy. Appendiceal Neoplasms / pathology. Chemotherapy, Cancer, Regional Perfusion / methods. Colorectal Neoplasms / pathology. Hyperthermia, Induced. Peritoneal Neoplasms / therapy

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  • (PMID = 18726900.001).
  • [ISSN] 1096-9098
  • [Journal-full-title] Journal of surgical oncology
  • [ISO-abbreviation] J Surg Oncol
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
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18. Feo CF, Porcu A, Scanu AM, Ginesu GC, Fancellu A, Lorettu A, Dettori G: Primary appendiceal tumors: report on 10 cases. Int Surg; 2009 Jul-Sep;94(3):224-7
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  • [Title] Primary appendiceal tumors: report on 10 cases.
  • We report our experience on 10 patients with primary tumors of the appendix treated at our institution from 1998 to 2005.
  • Six tumors were malignant, and the remaining were benign.
  • Two of the four patients with benign tumors died from causes unrelated to the appendiceal neoplasm.
  • The 6 patients with malignant tumors and the other 2 with benign disease were alive and disease free after a mean follow-up of 43 months.
  • Despite the rarity of appendiceal primary tumors, surgeons should be aware of these neoplasms for making correct treatment decisions.
  • We stress the importance of laparoscopic exploration in the management of appendiceal masses.
  • [MeSH-major] Adenocarcinoma / surgery. Appendiceal Neoplasms / surgery. Carcinoid Tumor / surgery

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  • (PMID = 20187516.001).
  • [ISSN] 0020-8868
  • [Journal-full-title] International surgery
  • [ISO-abbreviation] Int Surg
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Italy
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19. Sugarbaker PH, Bijelic L, Chang D, Yoo D: Neoadjuvant FOLFOX chemotherapy in 34 consecutive patients with mucinous peritoneal carcinomatosis of appendiceal origin. J Surg Oncol; 2010 Nov 1;102(6):576-81
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  • [Title] Neoadjuvant FOLFOX chemotherapy in 34 consecutive patients with mucinous peritoneal carcinomatosis of appendiceal origin.
  • BACKGROUND: A treatment option for patients with peritoneal mucinous carcinomatosis (PMCA) from an appendiceal neoplasm is cytoreductive surgery and perioperative intraperitoneal chemotherapy.
  • METHODS: In January of 2005 a prospective study was initiated to routinely treat patients with peritoneal dissemination of a mucinous adenocarcinoma of the appendix with neoadjuvant chemotherapy using FOLFOX.
  • In the clinical evaluation and CT evaluation, 24 (71%) and 22 (65%), respectively, had stable disease on chemotherapy.
  • [MeSH-major] Adenocarcinoma, Mucinous / drug therapy. Adenocarcinoma, Mucinous / secondary. Antineoplastic Combined Chemotherapy Protocols / therapeutic use. Appendiceal Neoplasms / pathology. Peritoneal Neoplasms / drug therapy. Peritoneal Neoplasms / secondary

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  • (PMID = 20737420.001).
  • [ISSN] 1096-9098
  • [Journal-full-title] Journal of surgical oncology
  • [ISO-abbreviation] J Surg Oncol
  • [Language] eng
  • [Publication-type] Evaluation Studies; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Organoplatinum Compounds; Q573I9DVLP / Leucovorin; U3P01618RT / Fluorouracil; Folfox protocol
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20. Järvinen P, Järvinen HJ, Lepistö A: Survival of patients with pseudomyxoma peritonei treated by serial debulking. Colorectal Dis; 2010 Sep;12(9):868-72
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  • PMP is a clinical condition characterized by disseminated intraperitoneal mucinous tumours often accompanied by mucinous ascites derived usually from an appendiceal neoplasm.
  • However, four patients (12%) seemed to have achieved long-term disease-free survival of more than 5 years.
  • [MeSH-major] Palliative Care / methods. Peritoneal Neoplasms / surgery. Pseudomyxoma Peritonei / surgery

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  • [CommentIn] Colorectal Dis. 2010 Sep;12(9):872-3 [20718839.001]
  • (PMID = 19519686.001).
  • [ISSN] 1463-1318
  • [Journal-full-title] Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland
  • [ISO-abbreviation] Colorectal Dis
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
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21. Omohwo C, Nieroda CA, Studeman KD, Thieme H, Kostuik P, Ross AS, Holter DR, Gushchin V, Merriman B, Sardi A: Complete cytoreduction offers longterm survival in patients with peritoneal carcinomatosis from appendiceal tumors of unfavorable histology. J Am Coll Surg; 2009 Sep;209(3):308-12
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  • [Title] Complete cytoreduction offers longterm survival in patients with peritoneal carcinomatosis from appendiceal tumors of unfavorable histology.
  • BACKGROUND: Cytoreductive surgery (CRS) combined with hyperthermic intraperitoneal chemotherapy (HIPEC) is a rapidly evolving treatment for metastatic appendiceal neoplasms.
  • The aim of this study was to show the effect of complete cytoreduction (CC) on survival in patients undergoing CRS and HIPEC for high-grade appendiceal neoplasm.
  • STUDY DESIGN: A retrospective study of a prospective database of 56 patients (from 1999 to 2007) with appendiceal neoplasms treated with CRS and HIPEC was carried out.
  • Histology of the disease, CC score, and peritoneal cancer index (PCI) score were assessed independently and collectively for each group of patients.
  • Survival analysis by tumor histology was 80% for patients with low-grade tumors and 52% for patients with high-grade tumors (p = 0.024).
  • There was no statistically significant difference in survival between the low-grade and high-grade tumors when a complete cytoreduction was performed in both groups of patients: 80% versus 68% (p = 0.69).
  • CONCLUSIONS: CRS and HIPEC is an effective treatment for patients with disseminated appendiceal tumors.
  • High-grade tumors also benefit from this approach and should not be excluded from CRS and HIPEC.
  • Every effort should be made to achieve a complete cytoreduction regardless of the tumor histology.
  • [MeSH-major] Antineoplastic Agents / therapeutic use. Appendiceal Neoplasms / pathology. Hyperthermia, Induced. Peritoneal Neoplasms / drug therapy. Peritoneal Neoplasms / secondary. Peritoneal Neoplasms / surgery
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Biomarkers, Tumor / analysis. Chi-Square Distribution. Combined Modality Therapy. Female. Humans. Male. Middle Aged. Neoplasm Staging. Proportional Hazards Models. Reoperation. Retrospective Studies. Survival Analysis. Treatment Outcome

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  • (PMID = 19717034.001).
  • [ISSN] 1879-1190
  • [Journal-full-title] Journal of the American College of Surgeons
  • [ISO-abbreviation] J. Am. Coll. Surg.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antineoplastic Agents; 0 / Biomarkers, Tumor
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22. Tang LH, Shia J, Soslow RA, Dhall D, Wong WD, O'Reilly E, Qin J, Paty P, Weiser MR, Guillem J, Temple L, Sobin LH, Klimstra DS: Pathologic classification and clinical behavior of the spectrum of goblet cell carcinoid tumors of the appendix. Am J Surg Pathol; 2008 Oct;32(10):1429-43
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  • [Title] Pathologic classification and clinical behavior of the spectrum of goblet cell carcinoid tumors of the appendix.
  • Appendiceal tumors exhibiting both neuroendocrine and glandular differentiation are uncommon and have caused difficulty in pathologic classification, prediction of prognosis, and clinical management.
  • In this study, we undertook a retrospective investigation of 63 such cases and classified them as typical GCC (group A) and adenocarcinoma ex GCC on the basis of the histologic features of the tumor at the primary site.
  • The clinical characteristics and prognosis were compared within these groups and with conventional de novo appendiceal adenocarcinomas.
  • Both groups A and B tumors shared a similar immunoprofile, which included generally focal immunoreactivity for neuroendocrine markers, and a normal intestinal type mucin glycoprotein profile (negative MUC1 expression and preserved MUC2 immunoreactivity).
  • The proliferative index was relatively low in these tumors and slightly increased from groups A to B tumors (11% to 16%).
  • Both beta-catenin and E-cadherin exhibited a normal membranous staining pattern in groups A and B tumors.
  • The overall disease-specific survival for all subtypes was 77%, with 46% of patients without evidence of disease and 31% alive with disease.
  • All the patients with clinical stage of I or IIA disease had a favorable outcome after appropriate surgery with or without chemotherapy.
  • Although most patients (63%) with GCC presented at an advanced clinical stage, their clinical outcome could be differentiated by subclassification of tumors.
  • In conclusion, GCC is a distinctive appendiceal neoplasm that exhibits unique pathologic features and clinical behavior.
  • [MeSH-major] Adenocarcinoma / pathology. Appendiceal Neoplasms / pathology. Carcinoid Tumor / pathology. Carcinoma, Signet Ring Cell / pathology
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Antineoplastic Agents / therapeutic use. Appendectomy. Cell Differentiation. Cell Proliferation. Chemotherapy, Adjuvant. Colectomy. Disease-Free Survival. Female. Humans. Kaplan-Meier Estimate. Male. Middle Aged. Neoplasm Staging. Observer Variation. Retrospective Studies. Terminology as Topic. Time Factors. Treatment Outcome

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  • [CommentIn] Am J Surg Pathol. 2009 Aug;33(8):1259-60; author reply 1260-1 [19471156.001]
  • (PMID = 18685490.001).
  • [ISSN] 1532-0979
  • [Journal-full-title] The American journal of surgical pathology
  • [ISO-abbreviation] Am. J. Surg. Pathol.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antineoplastic Agents
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23. Dall'Igna P, Ferrari A, Luzzatto C, Bisogno G, Casanova M, Alaggio R, Terenziani M, Cecchetto G: Carcinoid tumor of the appendix in childhood: the experience of two Italian institutions. J Pediatr Gastroenterol Nutr; 2005 Feb;40(2):216-9
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  • [Title] Carcinoid tumor of the appendix in childhood: the experience of two Italian institutions.
  • OBJECTIVES: Although rare, carcinoid tumor of the appendix is the most common neoplasm of the gastrointestinal tract in children and adolescents.
  • It is usually an incidental finding after a laparotomy for appendectomy, with a frequency of 2 to 5 cases per 1000 appendectomies.
  • The experience with 14 cases of carcinoid reported in the appendix is described.
  • METHODS AND RESULTS: In six patients the tumor measured 1 cm or less; only in one patient did it measure 2 cm.
  • In three patients the tumor measured between 1 and 2 cm and in four the size was not known.
  • All tumors were discovered by chance, and three patients underwent further surgery as a result of suspected involvement of the margins.
  • All the patients were alive with no evidence of disease at 24 to 214 months from diagnosis.
  • In our experience, both patients with local invasiveness and the patient with a tumor larger than 2 cm had good outcomes.
  • Ileocolectomy performed in the patient with a 2-cm tumor and in another two patients with smaller tumors did not demonstrate residual disease.
  • Although the need for right hemicolectomy still remains controversial for tumors measuring more than 2 cm, the approach may be nonaggressive in case of tumors invading the serosa and the periappendiceal fat.
  • Nonaggressive treatment has been suggested by some authors in cases of tumors larger than 2 cm; however, larger series need to be evaluated.
  • [MeSH-major] Appendectomy. Appendiceal Neoplasms / diagnosis. Carcinoid Tumor / diagnosis
  • [MeSH-minor] Adolescent. Child. Colectomy / methods. Female. Humans. Ileus / surgery. Male. Neoplasm Invasiveness. Neoplasm Recurrence, Local / epidemiology. Prognosis. Treatment Outcome

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  • (PMID = 15699700.001).
  • [ISSN] 0277-2116
  • [Journal-full-title] Journal of pediatric gastroenterology and nutrition
  • [ISO-abbreviation] J. Pediatr. Gastroenterol. Nutr.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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24. Tang LH: Epithelial neoplasms of the appendix. Arch Pathol Lab Med; 2010 Nov;134(11):1612-20
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Epithelial neoplasms of the appendix.
  • CONTEXT: The appendix gives rise to an array of epithelial neoplasms showing glandular or neuroendocrine differentiation, and some tumors with elements of both cell types.
  • Although some appendiceal neoplasms resemble their counterparts in the small and large intestines (conventional adenocarcinoma and carcinoid tumor), the appendix also gives rise to relatively unique entities including mucinous neoplasms and goblet cell carcinoid tumors, which present a challenge in pathologic classification and clinical management.
  • OBJECTIVE: To review clinical and diagnostic issues for 3 pathologic types of epithelial neoplasms of the appendix:.
  • (1) adenocarcinoma, with specific focus on mucinous neoplasm;.
  • (2) goblet cell carcinoid tumor and associated adenocarcinoma; and (3) typical carcinoid tumor.
  • CONCLUSIONS: The most important issue in pathologic assessment of epithelial tumors of the appendix is to understand the clinical implications inherent in the diagnosis.
  • [MeSH-major] Adenocarcinoma / pathology. Appendiceal Neoplasms / pathology. Appendix / pathology. Carcinoid Tumor / pathology

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  • (PMID = 21043814.001).
  • [ISSN] 1543-2165
  • [Journal-full-title] Archives of pathology & laboratory medicine
  • [ISO-abbreviation] Arch. Pathol. Lab. Med.
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] United States
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25. Wu CL, Yu CC: Amyand's hernia with adenocarcinoid tumor. Hernia; 2010 Aug;14(4):423-5
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  • [Title] Amyand's hernia with adenocarcinoid tumor.
  • Also, neoplasms of the appendix is quite uncommon.
  • Adenocarcinoid tumor of the appendix was noted after the operation.
  • [MeSH-major] Appendiceal Neoplasms / complications. Appendicitis / complications. Hernia, Inguinal / complications

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  • (PMID = 19756915.001).
  • [ISSN] 1248-9204
  • [Journal-full-title] Hernia : the journal of hernias and abdominal wall surgery
  • [ISO-abbreviation] Hernia
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] France
  • [Chemical-registry-number] Adenocarcinoid tumor
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26. Debnath D, Rees J, Myint F: Are we missing diagnostic opportunities in cases of carcinoid tumours of the appendix? Surgeon; 2008 Oct;6(5):266-72
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Are we missing diagnostic opportunities in cases of carcinoid tumours of the appendix?
  • OBJECTIVE: Carcinoid tumour of appendix is an uncommon condition that can potentially give rise to a variation in management.
  • We aimed to assess the occurrence and mode of presentation of carcinoid tumour of appendix, and any variation of its management.
  • The mean age of patients with carcinoid tumour (41.8 years) was significantly higher than those with non-carcinoid pathology (27.7 years) (p = 0.001).
  • The incidence of female patients was higher than the male amongst the carcinoid tumour group (female/male ratio 2.2).
  • Eight patients as well as their general practitioners (53.3%) were unaware of the diagnosis.
  • CONCLUSIONS: Carcinoid tumour of the appendix remains an incidental diagnosis.
  • There was a wide variation in involving the multidisciplinary team, conveying the diagnosis to patients as well as their general practitioners, and follow-ups.
  • [MeSH-major] Appendiceal Neoplasms / pathology. Appendiceal Neoplasms / surgery. Carcinoid Tumor / pathology. Carcinoid Tumor / surgery

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  • (PMID = 18939372.001).
  • [ISSN] 1479-666X
  • [Journal-full-title] The surgeon : journal of the Royal Colleges of Surgeons of Edinburgh and Ireland
  • [ISO-abbreviation] Surgeon
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Scotland
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27. O'Donnell ME, Badger SA, Beattie GC, Carson J, Garstin WI: Malignant neoplasms of the appendix. Int J Colorectal Dis; 2007 Oct;22(10):1239-48

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  • [Title] Malignant neoplasms of the appendix.
  • BACKGROUND: Appendiceal neoplasms, first described in 1882, are still rare, with pre-operative diagnosis invariably difficult.
  • MATERIALS AND METHODS: A retrospective histopathological review of all appendicectomy specimens was completed between April 1994 and December 2003 to identify patients diagnosed with malignant neoplasms.
  • A literature search of the PubMed database was then performed using the medical search headings; appendix, tumour, neoplasm and malignancy.
  • Other appendiceal pathologies were identified after appendicectomies, hemicolectomy and oophorectomy.
  • CONCLUSIONS: From our own experience and a subsequent review of the literature, we recommend right hemicolectomy as the treatment of choice for all malignant appendiceal neoplasms, except for small CCT less than 2 cm in diameter at the tip of the appendix, with a low proliferative index, without angiolymphatic or mesoappendiceal extension.
  • [MeSH-major] Appendiceal Neoplasms / diagnosis. Appendiceal Neoplasms / therapy

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  • (PMID = 17447078.001).
  • [ISSN] 0179-1958
  • [Journal-full-title] International journal of colorectal disease
  • [ISO-abbreviation] Int J Colorectal Dis
  • [Language] eng
  • [Publication-type] Journal Article; Meta-Analysis
  • [Publication-country] Germany
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28. Azordegan N, Yazdankhah A, Moghadasian MH: A rare case of coexistence of carcinoid tumor of appendix vermicularis and ileal endometriosis. Arch Gynecol Obstet; 2009 Feb;279(2):183-7
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] A rare case of coexistence of carcinoid tumor of appendix vermicularis and ileal endometriosis.
  • BACKGROUND: Carcinoid tumor is the most common tumor of appendix with overall good prognosis.
  • CASE REPORT: We here report the coexistence of carcinoid tumor of appendix and ileal endometriosis in a 37-year-old nulliparous woman who came to the emergency room with right lower abdominal pain mimicking acute appendicitis.
  • With preoperative suspicion of acute appendicitis, laparatomy was performed and revealed apparently normal looking appendix, along with a nodule in the terminal ileum.
  • Both the appendix and ileal nodule were removed.
  • Histological examinations revealed carcinoid tumor of appendix and ileal endometriosis.
  • CONCLUSION: Many cases of carcinoid tumor of the appendix and ileal endometriosis are diagnosed incidentally.
  • [MeSH-major] Appendiceal Neoplasms / complications. Carcinoid Tumor / complications. Endometriosis / complications. Ileal Diseases / complications
  • [MeSH-minor] Adult. Diagnosis, Differential. Female. Humans. Prognosis


29. Miyazaki K, Satoh H, Sekizawa K: Metastasis to appendix from lung adenocarcinoma. Int J Gastrointest Cancer; 2005;36(1):59-60
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  • [Title] Metastasis to appendix from lung adenocarcinoma.
  • Endoscopic evaluation revealed no obstruction, but failed to identify mucosal abnormalities in the ileocecal region.
  • He underwent a laparotomy, and tumor of the appendix, 3 x 3 cm in diameter, adhered to the surrounding tissue, but no perforation was seen.
  • The mass was excised in combination with an ileocecal resection, followed by ileocolic anastomosis.
  • Hisotologically, the neoplastic tumor cells infiltrated the submucosa, muscularis, and serosa, but mucosa of the appendix was intact, unremarkable, with no precursor lesion.
  • The tumor was morphologically similar to the lung primary tumor.
  • He was examined at regular periodic follow-ups, but died from lung cancer 12 mo after the resection of the metastatic tumor to the appendix.
  • [MeSH-major] Appendiceal Neoplasms / secondary. Lung Neoplasms / pathology

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  • [CommentOn] Int J Gastrointest Cancer. 2003;34(1):55-8 [15235136.001]
  • (PMID = 16227637.001).
  • [ISSN] 1537-3649
  • [Journal-full-title] International journal of gastrointestinal cancer
  • [ISO-abbreviation] Int J Gastrointest Cancer
  • [Language] eng
  • [Publication-type] Case Reports; Comment; Journal Article
  • [Publication-country] United States
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30. Godfrey GJ, Bakkar R, Farghaly H: Mature cystic teratoma of the appendix: a case report. Anal Quant Cytol Histol; 2010 Oct;32(5):295-8
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  • [Title] Mature cystic teratoma of the appendix: a case report.
  • BACKGROUND: Teratomas very rarely arise from the appendix.
  • To our knowledge, only one prior case of mature teratoma involving the appendix has been reported in the medical literature.
  • CASE: Our case is the second reported case of mature cystic teratoma involving the appendix, and, to our knowledge, it is the first reported in a female who had two simultaneous teratomas, one arising from the appendix and one arising from the right ovary.
  • CONCLUSION: Although mature cystic teratoma is a rare tumor of the appendix, it should be considered in the differential diagnosis of appendiceal masses.
  • The differential diagnosis of appendiceal masses, including clinical and pathologic features, is discussed in detail.

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  • (PMID = 22043506.001).
  • [ISSN] 0884-6812
  • [Journal-full-title] Analytical and quantitative cytology and histology
  • [ISO-abbreviation] Anal. Quant. Cytol. Histol.
  • [Language] ENG
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
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31. Korkontzelos I, Papanicolaou S, Tsimoyiannis I, Kitsiou E, Stefos T, Tsanadis G, Antoniou N: Large carcinoid tumor of the appendix during pregnancy. Eur J Obstet Gynecol Reprod Biol; 2005 Feb 1;118(2):255-7
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Large carcinoid tumor of the appendix during pregnancy.
  • Diagnosis of acute appendicitis is considered more difficult in pregnant than in non-pregnant women.
  • The appendicial carcinoid tumor is a lesion that most frequently is discovered incidentally in the removed organ.
  • We report a rare case of an unruptured acute appendicitis during pregnancy, which proved to be a large carcinoid tumor.
  • [MeSH-major] Appendiceal Neoplasms / diagnosis. Carcinoid Tumor / diagnosis. Pregnancy Complications, Neoplastic

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  • (PMID = 15653215.001).
  • [ISSN] 0301-2115
  • [Journal-full-title] European journal of obstetrics, gynecology, and reproductive biology
  • [ISO-abbreviation] Eur. J. Obstet. Gynecol. Reprod. Biol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Ireland
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32. Goere D, Elias D: [Appendiceal tumors found at appendectomy]. J Chir (Paris); 2009 Oct;146 Spec No 1:36-8

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] [Appendiceal tumors found at appendectomy].
  • [Transliterated title] Diagnostic de tumeur appendiculaire lors d'une appendicectomie.
  • There are three main histologic types of appendiceal tumor: adenoma, adenocarcinoma, and neuroendocrine tumor.
  • Neuroendocrine tumors (carcinoids) are by far the most common and account for two-third of all appendiceal tumors.
  • Rupture of any mucinous tumor-whether spontaneous or occurring during surgery-may result in pseudomyxoma peritonei; treatment of this condition requires complete resection of all lesions followed by hyperthermic intraperitoneal chemotherapy.
  • For unruptured appendiceal tumor, the appendix should be removed by a carcinologic right hemicolectomy if the tumor appears aggressive.
  • [MeSH-major] Appendectomy. Appendiceal Neoplasms / surgery
  • [MeSH-minor] Adenocarcinoma / diagnosis. Adenocarcinoma / surgery. Adenoma / diagnosis. Adenoma / surgery. Humans. Neuroendocrine Tumors / diagnosis. Neuroendocrine Tumors / surgery. Peritoneal Neoplasms / prevention & control. Pseudomyxoma Peritonei / prevention & control. Rupture / prevention & control

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  • (PMID = 19846099.001).
  • [ISSN] 0021-7697
  • [Journal-full-title] Journal de chirurgie
  • [ISO-abbreviation] J Chir (Paris)
  • [Language] fre
  • [Publication-type] English Abstract; Journal Article; Review
  • [Publication-country] France
  • [Number-of-references] 7
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33. Pitiakoudis M, Kirmanidis M, Tsaroucha A, Christianakis E, Filippou D, Sivridis E, Simopoulos C: Carcinoid tumor of the appendix during pregnancy. A rare case and a review of the literature. J BUON; 2008 Apr-Jun;13(2):271-5
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Carcinoid tumor of the appendix during pregnancy. A rare case and a review of the literature.
  • We present a rare case of a carcinoid tumor of the appendix that was diagnosed during pregnancy in a 24-year-old female.
  • Only few similar cases were found in the literature reporting appendiceal carcinoid tumor during pregnancy.
  • [MeSH-major] Appendiceal Neoplasms / surgery. Carcinoid Tumor / surgery. Pregnancy Complications, Neoplastic / pathology. Pregnancy Complications, Neoplastic / surgery

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  • (PMID = 18555477.001).
  • [ISSN] 1107-0625
  • [Journal-full-title] Journal of B.U.ON. : official journal of the Balkan Union of Oncology
  • [ISO-abbreviation] J BUON
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Greece
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34. Orta L, Trindade AJ, Luo J, Harpaz N: Appendiceal mucinous cystadenoma is a neoplastic complication of IBD: case-control study of primary appendiceal neoplasms. Inflamm Bowel Dis; 2009 Mar;15(3):415-21

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Appendiceal mucinous cystadenoma is a neoplastic complication of IBD: case-control study of primary appendiceal neoplasms.
  • BACKGROUND: IBD is a risk factor for development of colorectal neoplasia.
  • Although IBD frequently involves the appendix microscopically, it is uncertain whether it also predisposes to appendiceal neoplasia.
  • METHODS: We performed a retrospective case-control study of incidental appendiceal neoplasms in colectomy specimens of adults with and without IBD (cases and controls, respectively) based on surgical pathology records spanning 54 months.
  • To minimize referral bias, patients were excluded if they had preoperative clinical evidence or a principal pathologic diagnosis of appendiceal disease.
  • RESULTS: Eleven appendiceal cystadenomas and 6 appendiceal carcinoid tumors were identified among 705 IBD cases (377 ulcerative colitis, 317 Crohn's disease, 11 indeterminate colitis) and 498 non-IBD controls meeting our inclusion criteria.
  • However, cyst adenomas were 15-fold more prevalent among cases with synchronous colorectal neoplasia compared with controls (4/69 [5.8%] versus 2/498 [0.4%], OR 15.3 [95% CI 2.7-85]) and 8-fold higher compared with cases without synchronous neoplasia (4/69 [5.8%] versus 5/636 [0.8%], OR 7.8 [95% CI 2.0-29.6]).
  • Appendiceal carcinoids were equally prevalent in cases and controls (4/705 [0.6%] versus 2/498 [0.4%], OR 1.4 [95% CI 0.3-7.8]), cases with synchronous neoplasia and controls (1/69 [1.4%] versus 2/498 [0.4%], OR 3.6 [95% CI 0.3-40.8]), and cases with and without synchronous colorectal neoplasia (1/69 [1.4%] versus 3/636 [0.5%], OR 3.1 [95% CI 0.3-30.2]).
  • CONCLUSIONS: IBD with synchronous colorectal dysplasia or cancer is a risk factor for development of appendiceal cystadenomas, implicating this tumor as a neoplastic complication of IBD.
  • IBD does not predispose to the development of appendiceal carcinoids.
  • [MeSH-major] Appendiceal Neoplasms / etiology. Cystadenoma, Mucinous / etiology. Inflammatory Bowel Diseases / complications
  • [MeSH-minor] Adult. Aged. Appendectomy. Colectomy. Colonoscopy. Female. Follow-Up Studies. Humans. Male. Middle Aged. Neoplasm Staging. Retrospective Studies. Time Factors. Treatment Outcome

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  • [CommentIn] Inflamm Bowel Dis. 2010 May;16(5):735 [19705419.001]
  • (PMID = 18989894.001).
  • [ISSN] 1536-4844
  • [Journal-full-title] Inflammatory bowel diseases
  • [ISO-abbreviation] Inflamm. Bowel Dis.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] United States
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35. Ko YH, Park SH, Jung CK, Won HS, Hong SH, Park JC, Roh SY, Woo IS, Kang JH, Hong YS, Byun JH: Clinical characteristics and prognostic factors for primary appendiceal carcinoma. Asia Pac J Clin Oncol; 2010 Mar;6(1):19-27

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Clinical characteristics and prognostic factors for primary appendiceal carcinoma.
  • AIM: Primary adenocarcinoma of the appendix is a rare malignancy.
  • This study assessed prognostic factors affecting the clinical outcome in patients with appendiceal neoplasms.
  • The distribution of stages was: 26 (47.3%) with localized disease, five (9.1%) with regional disease, and 24 (43.6%) with distant metastatic disease.
  • Of the 34 patients who underwent curative resections of primary appendiceal carcinomas, the 3- and 5-year disease-free survival rates were 66.4% and 53.3%, respectively.
  • The recurrence rate was higher in patients with regional lymph node metastasis (HR vs node negative disease 23.4; P = 0.005) and high-grade tumors (HR vs low grade 6.3; P = 0.029).
  • CONCLUSION: High tumor grade and advanced stage were significantly predictive of poor survival outcome in patients with primary appendiceal carcinomas.
  • [MeSH-major] Adenocarcinoma / pathology. Appendiceal Neoplasms / pathology
  • [MeSH-minor] Female. Humans. Male. Middle Aged. Neoplasm Invasiveness. Neoplasm Staging. Prognosis. Retrospective Studies

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  • (PMID = 20398034.001).
  • [ISSN] 1743-7563
  • [Journal-full-title] Asia-Pacific journal of clinical oncology
  • [ISO-abbreviation] Asia Pac J Clin Oncol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Australia
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36. Low RN, Barone RM, Gurney JM, Muller WD: Mucinous appendiceal neoplasms: preoperative MR staging and classification compared with surgical and histopathologic findings. AJR Am J Roentgenol; 2008 Mar;190(3):656-65
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  • [Title] Mucinous appendiceal neoplasms: preoperative MR staging and classification compared with surgical and histopathologic findings.
  • OBJECTIVE: The objective of our study was to determine the accuracy of MRI in the preoperative staging and classification of mucinous appendiceal neoplasms and to describe the MRI features that are useful for selecting patients for surgical resection.
  • Two observers reviewed the images for peritoneal tumor at 13 sites, tumor size and distribution, and degree of tumor enhancement.
  • Peritoneal tumor sites were recorded at surgery.
  • Surgical specimens were classified as disseminated peritoneal adenomucinosis tumors, intermediate-grade tumors, or peritoneal mucinous carcinomatosis tumors.
  • RESULTS: Surgery confirmed 232 tumor sites.
  • MRI findings predicting suboptimal cytoreduction included a large (> 5 cm) mesenteric mass, which was present in 75% of the patients in the suboptimal cytoreduction group and 0% of those in the complete cytoreduction group; diffuse mesenteric tumor (88% and 0%, respectively); tumor encasement of mesenteric vessels (88% and 0%); or diffuse small-bowel serosal tumor (75% and 0%).
  • Histopathology results showed six disseminated peritoneal adenomucinosis tumors, four intermediate tumors, and 11 peritoneal mucinous carcinomatosis tumors.
  • Qualitatively, the 11 peritoneal mucinous carcinomatosis tumors showed greater enhancement than the liver, whereas six disseminated peritoneal adenomucinosis and the four intermediate tumors showed less enhancement than the liver.
  • Quantitatively, the mean tumor-to-liver contrast for disseminated peritoneal adenomucinosis and intermediate tumors was 0.67 compared with 1.53 for peritoneal mucinous carcinomatosis tumors (p < 0.0001).
  • CONCLUSION: Of the MR techniques evaluated, delayed gadolinium-enhanced MRI was the most accurate for the staging and classification of mucinous appendiceal neoplasms and provided prognostic information useful for patient selection.
  • [MeSH-major] Appendiceal Neoplasms / pathology. Magnetic Resonance Imaging. Peritoneal Neoplasms / pathology. Peritoneal Neoplasms / surgery. Pseudomyxoma Peritonei / pathology. Pseudomyxoma Peritonei / surgery
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Contrast Media. Female. Gadolinium. Humans. Male. Middle Aged. Neoplasm Staging. Predictive Value of Tests. Retrospective Studies

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  • (PMID = 18287436.001).
  • [ISSN] 1546-3141
  • [Journal-full-title] AJR. American journal of roentgenology
  • [ISO-abbreviation] AJR Am J Roentgenol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Contrast Media; AU0V1LM3JT / Gadolinium
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37. Yajima N, Wada R, Yamagishi S, Mizukami H, Itabashi C, Yagihashi S: Immunohistochemical expressions of cytokeratins, mucin core proteins, p53, and neuroendocrine cell markers in epithelial neoplasm of appendix. Hum Pathol; 2005 Nov;36(11):1217-25
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  • [Title] Immunohistochemical expressions of cytokeratins, mucin core proteins, p53, and neuroendocrine cell markers in epithelial neoplasm of appendix.
  • Epithelial neoplasms of appendix are infrequent, and their pathological features are not fully characterized.
  • We collected 33 cases of appendiceal tumors and examined immunohistochemically the expression of cytokeratins (CK, CK7, and CK20), mucin core protein (MUC1, MUC2, MUC5AC, and MUC6), E-cadherin, chromogranin A, and p53 protein.
  • Clinically, mucinous tumors were predominant in females.
  • Immunohistochemically, all the tumors expressed CK20, whereas CK7 was positive in one third of the cases.
  • Similarly, MUC2 was expressed in all the tumors, whereas MUC1 and MUC5AC were detected in about a half of the cases.
  • Although chromogranin A-positive cells are generally sparse in normal appendix, they were more common in mucinous tumors than in nonmucinous tumors.
  • Contrary to the previous data reported (Mod Pathol 2002;15:599-605), mucinous carcinoma exhibited a higher frequency of p53-positive cells (mean 29%) compared with mucinous adenoma (2.8%) (P < .001), whereas nonmucinous tumors showed high levels of p53-positive cells to similar extent (51%-67%) in both adenoma and carcinoma.
  • The high expression of p53 protein coincided with the presence of mutations in multiple sites of TP53 gene in mucinous tumors.
  • This is the first report that characterized the immunophenotypic profile of appendiceal epithelial neoplasms with an emphasis of a higher frequency of p53 positivity in mucinous carcinoma cases compared with mucinous adenoma in the appendix.
  • [MeSH-major] Appendiceal Neoplasms / metabolism. Biomarkers, Tumor / analysis. Keratins / biosynthesis. Mucins / biosynthesis. Neoplasms, Glandular and Epithelial / metabolism. Tumor Suppressor Protein p53 / biosynthesis


38. Benedix F, Reimer A, Gastinger I, Mroczkowski P, Lippert H, Kube R, Study Group Colon/Rectum Carcinoma Primary Tumor: Primary appendiceal carcinoma--epidemiology, surgery and survival: results of a German multi-center study. Eur J Surg Oncol; 2010 Aug;36(8):763-71

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Primary appendiceal carcinoma--epidemiology, surgery and survival: results of a German multi-center study.
  • BACKGROUND: While carcinoma of the colon is a common malignancy, primary carcinoma of the appendix is rare.
  • Many retrospective reviews outlined experience from different centers on appendiceal neoplasms.
  • The aim of this study was to analyze the type of surgery and survival of patients with appendiceal malignancies using data from a German multi-center observational study (31 341 patients).
  • METHODS: During a five-year period, 196 consecutive patients with malignant appendiceal tumors were distributed into four groups: appendiceal carcinoids, adenocarcinoma, mucinous adenocarcinoma and adenosquamous carcinoma.
  • Mean age at presentation was youngest for carcinoid tumors.
  • Carcinoid tumors had lowest tumor size and localized disease was present in 72.9%.
  • Overall 5-year survival was 83.1% for carcinoid vs. 49.2% for non-carcinoid tumors.
  • Histological subtype and tumor stage significantly affected survival.
  • CONCLUSIONS: Long-term outcome of carcinoid tumors is superior to non-carcinoid neoplasms.
  • Among all appendiceal neoplasms, adenosquamous carcinoma is the rarest histological subtype which is most commonly associated with advanced tumor stage and worst prognosis.
  • However, the high rate of right hemicolectomy in patients with small carcinoid tumors needs to be critically discussed.
  • [MeSH-major] Appendiceal Neoplasms / epidemiology. Appendiceal Neoplasms / surgery. Colectomy
  • [MeSH-minor] Adenocarcinoma / epidemiology. Adenocarcinoma / surgery. Adenocarcinoma, Mucinous / epidemiology. Adenocarcinoma, Mucinous / surgery. Adult. Aged. Appendicitis / diagnosis. Carcinoid Tumor / epidemiology. Carcinoid Tumor / surgery. Carcinoma, Adenosquamous / epidemiology. Carcinoma, Adenosquamous / surgery. Diagnosis, Differential. Female. Germany. Humans. Male. Middle Aged. Neoplasm Staging. Unnecessary Procedures / statistics & numerical data

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  • [Copyright] Copyright (c) 2010 Elsevier Ltd. All rights reserved.
  • (PMID = 20561765.001).
  • [ISSN] 1532-2157
  • [Journal-full-title] European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology
  • [ISO-abbreviation] Eur J Surg Oncol
  • [Language] eng
  • [Publication-type] Journal Article; Multicenter Study
  • [Publication-country] England
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39. Mavanur AA, Parimi V, O'Malley M, Nikiforova M, Bartlett DL, Davison JM: Establishment and characterization of a murine xenograft model of appendiceal mucinous adenocarcinoma. Int J Exp Pathol; 2010 Aug;91(4):357-67
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  • [Title] Establishment and characterization of a murine xenograft model of appendiceal mucinous adenocarcinoma.
  • We describe the clinical, pathologic and molecular characteristics of a xenograft model of metastatic mucinous appendiceal adenocarcinoma.
  • Tumours from patients with mucinous appendiceal neoplasms were implanted in nude mice and observed for evidence of intraperitoneal tumour growth.
  • Morphologic and immunohistochemical features, temporal growth characteristics relative to controls, and loss of heterozygosity (LOH) at multiple chromosomal alleles were assessed in a successfully engrafted tumour.
  • The successful xenograft is morphologically similar to the original tumour, produces abundant extracellular mucin and exhibits non-invasive growth on peritoneal surfaces.
  • The temporal growth characteristics of the xenograft tumour relative to controls reveal that tumour burden can be followed indirectly by measuring the weight or abdominal girth of engrafted animals.
  • The cytokeratin, mucin core protein, CDX2, Ki-67 and p53 expression patterns are identical in the xenograft and resected tumour and are consistent with the expected pattern of protein expression for mucinous adenocarcinoma of the appendix.
  • LOH was found in 1 of 10 informative chromosomal loci (chromosome 10p23) in xenograft tumour cells.
  • Although we were unable to engraft a low-grade appendiceal mucinous neoplasm, the engrafted adenocarcinoma will be useful for future evaluation of novel therapeutic strategies directed at mucinous appendiceal adenocarcinoma and evaluation of strategies for treating widespread, bulky, mucinous peritoneal surface neoplasms.
  • Xenograft tumour enrichment can facilitate molecular studies of appendiceal epithelial neoplasia.
  • [MeSH-major] Adenocarcinoma, Mucinous / secondary. Appendiceal Neoplasms / pathology. Peritoneal Neoplasms / secondary. Xenograft Model Antitumor Assays
  • [MeSH-minor] Animals. Cell Proliferation. Chromosomes, Human, Pair 10. Gene Expression Regulation, Neoplastic. Homeodomain Proteins / metabolism. Humans. Keratins / metabolism. Ki-67 Antigen / metabolism. Loss of Heterozygosity. Mice. Mice, Nude. Mucins / metabolism. Mutation. Proto-Oncogene Proteins / genetics. Time Factors. Tumor Burden. Tumor Suppressor Protein p53 / metabolism. ras Proteins / genetics

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  • (PMID = 20586814.001).
  • [ISSN] 1365-2613
  • [Journal-full-title] International journal of experimental pathology
  • [ISO-abbreviation] Int J Exp Pathol
  • [Language] eng
  • [Grant] United States / NCI NIH HHS / CA / T32 CA113263
  • [Publication-type] Journal Article
  • [Publication-country] England
  • [Chemical-registry-number] 0 / CDX2 protein, human; 0 / Homeodomain Proteins; 0 / KRAS protein, human; 0 / Ki-67 Antigen; 0 / Mucins; 0 / Proto-Oncogene Proteins; 0 / TP53 protein, human; 0 / Tumor Suppressor Protein p53; 68238-35-7 / Keratins; EC 3.6.5.2 / ras Proteins
  • [Other-IDs] NLM/ PMC2962894
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40. Christianakis E, Paschalidis N, Chorti M, Filippou G, Rizos S, Filippou D: Carcinoid tumour of the appendix in children: a case report. Cases J; 2008;1(1):136

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Carcinoid tumour of the appendix in children: a case report.
  • Carcinoids are the most common tumours of the appendix.
  • The clinical presentation of the appendiceal carcinoids is similar to that of acute appendicitis, although in many cases the tumour is diagnosed incidentally during an operation.
  • The diagnosis should be confirmed histologically.
  • The prognosis in patients with local disease is excellent.
  • We report a case of a carcinoid tumour in the tip of the appendix of a thirteen year old girl which was diagnosed intraoperatively.
  • Ten years after the operation there is no evidence of recurrence or metastases, and the patient is considered free of disease.

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  • [Cites] Am J Surg. 1964 May;107:730-2 [14166209.001]
  • [Cites] Br J Surg. 1964 Feb;51:110-3 [14117766.001]
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  • (PMID = 18761734.001).
  • [ISSN] 1757-1626
  • [Journal-full-title] Cases journal
  • [ISO-abbreviation] Cases J
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
  • [Other-IDs] NLM/ PMC2546371
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41. Chetty R, Klimstra DS, Henson DE, Albores-Saavedra J: Combined classical carcinoid and goblet cell carcinoid tumor: a new morphologic variant of carcinoid tumor of the appendix. Am J Surg Pathol; 2010 Aug;34(8):1163-7
MedlinePlus Health Information. consumer health - Carcinoid Tumors.

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Combined classical carcinoid and goblet cell carcinoid tumor: a new morphologic variant of carcinoid tumor of the appendix.
  • Carcinoid tumors are the most common neoplasms of the appendix.
  • Goblet cell carcinoid has been regarded as a distinctive tumor type, not related to classic carcinoids, and to our knowledge combinations of these 2 tumor types have not been described in detail.
  • In this report, we describe 5 cases of combined classical carcinoid and goblet cell carcinoid (GCC) tumors of the appendix.
  • Four men and 1 woman, (mean age 53.4 y) presented with acute appendicitis (4 cases), whereas 1 presented with a pelvic mass owing to widespread pelvic disseminated disease.
  • The tumors (0.6 to 6.0 cm) were located in the mid-portion and the tip of the appendix.
  • Four patients are alive and asymptomatic, whereas the patient with disseminated pelvic disease died 6 months after surgery.
  • All 5 appendiceal tumors had microscopic features of both classical carcinoid and GCC, either intimately admixed or separate but closely apposed.
  • The extent of the 2 components varied, with classical carcinoid representing 60% to 90% of the tumor.
  • In view of the fact that these combined carcinoid tumors appear to behave more as goblet cell carcinoids, detailed microscopic examination of classical carcinoid tumors of the appendix is suggested and larger series with longer follow-up is required to ascertain the true biologic potential of this unique form of combined carcinoid tumor of the appendix.
  • The occurrence of both carcinoid types in the same appendices suggests a closer histogenetic relationship than previously believed, although the possibility that the 2 components represent separate, independent primaries ("collision tumors") can also be considered.
  • [MeSH-major] Appendiceal Neoplasms / pathology. Carcinoid Tumor / pathology. Goblet Cells / pathology. Mixed Tumor, Malignant / pathology
  • [MeSH-minor] Appendectomy. Biomarkers, Tumor / analysis. Colectomy. Female. Humans. Immunohistochemistry. Male. Middle Aged. Mitotic Index. Neoplasm Invasiveness. Treatment Outcome

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  • [CommentIn] Am J Surg Pathol. 2011 Aug;35(8):1248-50 [21753706.001]
  • (PMID = 20631606.001).
  • [ISSN] 1532-0979
  • [Journal-full-title] The American journal of surgical pathology
  • [ISO-abbreviation] Am. J. Surg. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor
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42. Chetty R, Serra S: Lipid-rich and clear cell neuroendocrine tumors ("carcinoids") of the appendix: potential confusion with goblet cell carcinoid. Am J Surg Pathol; 2010 Mar;34(3):401-4
COS Scholar Universe. author profiles.

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Lipid-rich and clear cell neuroendocrine tumors ("carcinoids") of the appendix: potential confusion with goblet cell carcinoid.
  • The so-called clear cell change has been described in neuroendocrine tumors at several locations.
  • Those associated with von Hippel Lindau disease are pathognomonically "clear" and the cytoplasmic appearance has been ascribed to intracytoplasmic lipid.
  • However, lipid has not been demonstrated in all cases of clear cell carcinoid tumors.
  • Such variants have not been described in carcinoid tumors of the appendix and cases with a prominent proportion of clear or more correctly, lipid-rich cytoplasm may bear a superficial resemblance to goblet cell carcinoid and/or signet ring adenocarcinoma.
  • Seven cases, in 5 females and 2 males ranging in age from 22 to 65 years, were noted to have a population of lipid-rich and vacuolated clear cells accounting for 25% or more of the tumor population.
  • The carcinoid tumors were incidental in all cases with 4 of patients presenting with appendicitis, 2 with concomitant mucinous cystadenocarcinomas of the appendix and 1 with an adenocarcinoma of the ascending colon.
  • Morphologically, the tumors had a nested and trabecular pattern and were composed of an admixture of microvesicular and clear lipid-rich cells.
  • None of the patients have shown evidence of recurrent disease.
  • The importance of recognizing this variant of carcinoid tumor in the appendix is to avoid confusion with goblet cell carcinoid tumors with or without a signet ring adenocarcinoma.
  • The presence of multi-vacuolated, foamy and clear cells, some resembling signet ring or goblet cells, in otherwise classic carcinoid tumors is rare but should be considered in this context in the appendix.
  • [MeSH-major] Appendiceal Neoplasms / pathology. Carcinoid Tumor / pathology. Lipids / analysis
  • [MeSH-minor] Adult. Biomarkers, Tumor / analysis. Cytoplasm / chemistry. Cytoplasm / pathology. Diagnosis, Differential. Female. Humans. Immunohistochemistry. Incidental Findings. Male. Middle Aged. Prognosis. Vacuoles / chemistry. Vacuoles / pathology. Young Adult

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  • (PMID = 20139759.001).
  • [ISSN] 1532-0979
  • [Journal-full-title] The American journal of surgical pathology
  • [ISO-abbreviation] Am. J. Surg. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Lipids
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43. Sugarbaker PH: New standard of care for appendiceal epithelial neoplasms and pseudomyxoma peritonei syndrome? Lancet Oncol; 2006 Jan;7(1):69-76
Hazardous Substances Data Bank. FLUOROURACIL .

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] New standard of care for appendiceal epithelial neoplasms and pseudomyxoma peritonei syndrome?
  • Appendiceal mucinous neoplasms sometimes present with peritoneal dissemination, which was previously a lethal condition with a median survival of about 3 years.
  • Now, visible disease tends to be removed through visceral resections and peritonectomy.
  • To avoid entrapment of tumour cells at operative sites and to destroy small residual mucinous tumour nodules, cytoreductive surgery is combined with intraperitoneal chemotherapy with mitomycin at 42 degrees C.
  • If the mucinous neoplasm is minimally invasive and cytoreduction complete, these treatments result in a 20-year survival of 70%.
  • In the absence of a phase III study, this new combined treatment should be regarded as the standard of care for epithelial appendiceal neoplasms and pseudomyxoma peritonei syndrome.
  • [MeSH-major] Appendiceal Neoplasms / drug therapy. Appendiceal Neoplasms / surgery. Peritoneal Neoplasms / drug therapy. Pseudomyxoma Peritonei / drug therapy. Pseudomyxoma Peritonei / surgery

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  • (PMID = 16389186.001).
  • [ISSN] 1470-2045
  • [Journal-full-title] The Lancet. Oncology
  • [ISO-abbreviation] Lancet Oncol.
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] England
  • [Chemical-registry-number] 50SG953SK6 / Mitomycin; U3P01618RT / Fluorouracil
  • [Number-of-references] 38
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44. Yildiz BD, Abbasoglu O: Two unusual presentations of appendiceal masses. Int J Surg; 2008 Dec;6(6):e9-11
MedlinePlus Health Information. consumer health - Appendicitis.

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Two unusual presentations of appendiceal masses.
  • Appendix is one of the most common organs harboring intra-abdominal pathologies both in acute and chronic settings.
  • Appendiceal diseases in elderly population is hard to differentiate owing to the age related changes and wide spectrum of differential diagnosis.
  • Even uncomplicated diseases of the appendix can have features mimicking a neoplasm.
  • Here we present two cases of appendiceal masses.
  • First case presented with symptoms and findings of an invasive neoplasm and the second case had findings of a pelvic mass.

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  • (PMID = 19059141.001).
  • [ISSN] 1743-9159
  • [Journal-full-title] International journal of surgery (London, England)
  • [ISO-abbreviation] Int J Surg
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] England
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45. Pai RK, Beck AH, Norton JA, Longacre TA: Appendiceal mucinous neoplasms: clinicopathologic study of 116 cases with analysis of factors predicting recurrence. Am J Surg Pathol; 2009 Oct;33(10):1425-39
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Appendiceal mucinous neoplasms: clinicopathologic study of 116 cases with analysis of factors predicting recurrence.
  • The classification and nomenclature of appendiceal mucinous neoplasms are controversial.
  • To determine the outcome for patients with appendiceal mucinous neoplasms and further evaluate whether they can be stratified into groups that provide prognostic information, the clinicopathologic features of 116 patients (66 with clinical follow-up) with appendiceal mucinous neoplasms were studied.
  • From a wide variety of histopathologic features assessed, the important predictors that emerged on univariate statistical analysis were presence of extra-appendiceal neoplastic epithelium (P=0.01), high-grade cytology (P<0.0001), architectural complexity (P<0.001), and invasion (P<0.001).
  • All 16 patients with mucinous neoplasms confined to the appendix and lacking high-grade cytology, architectural complexity, and invasion were alive with no recurrences at median 59 months follow-up (=mucinous adenoma).
  • One of 14 patients with low-grade cytology and acellular peritoneal mucin deposits developed recurrent tumor within the peritoneum at 45 months with no patient deaths to date (median, 48-mo follow-up) (=low-grade mucinous neoplasm with low risk of recurrence).
  • Twenty-seven patients with low-grade mucinous neoplasms with extra-appendiceal neoplastic epithelium had 1-year, 3-year, 5-year, and 10-year overall survival rates of 96%, 91%, 79%, and 46%, respectively, at median 53 months follow-up (=low-grade mucinous neoplasm with high risk of recurrence).
  • Three of the 4 patients with extra-appendiceal epithelium limited to the right lower quadrant developed full-blown peritoneal disease at 6, 41, and 99 months follow-up and 1 patient eventually died of disease.
  • Nine patients with appendiceal neoplasms with invasion or high-grade cytology and follow-up showed 1-year, 3-year, and 5-year overall survival rates of 86%, 57%, and 28% (=mucinous adenocarcinoma).
  • Appendiceal mucinous neoplasms can be stratified into 4 distinct risk groups on the basis of a careful histopathologic assessment of cytoarchitectural features and extent of disease at presentation.
  • [MeSH-major] Adenocarcinoma, Mucinous / pathology. Appendiceal Neoplasms / pathology. Neoplasm Recurrence, Local / epidemiology

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  • (PMID = 19641451.001).
  • [ISSN] 1532-0979
  • [Journal-full-title] The American journal of surgical pathology
  • [ISO-abbreviation] Am. J. Surg. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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46. Palanivelu C, Rangarajan M, John SJ, Senthilkumar K, Annapoorni S: Laparoscopic right hemicolectomy for mucocele due to a low-grade appendiceal mucinous neoplasm. JSLS; 2008 Apr-Jun;12(2):194-7

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Laparoscopic right hemicolectomy for mucocele due to a low-grade appendiceal mucinous neoplasm.
  • Tumors of the appendix are rare entities causing mucoceles.
  • Laparoscopic surgery for appendiceal tumors is still controversial, as inadvertent rupture of the lesion due to improper handling will cause pseudomyxoma peritonei.
  • The patient was incidentally discovered to have an appendiceal tumor and referred to us for laparoscopy.
  • Because the tumor involved the entire appendix, a laparoscopic right hemicolectomy was performed without directly handling the tumor.
  • Pathological diagnosis was low-grade appendiceal mucinous neoplasm.
  • The safety of laparoscopic appendectomy for the management of incidentally discovered appendiceal tumors has not yet been established.
  • The main concerns to be addressed are the adequacy of resection and intraperitoneal rupture of the tumor.
  • A formal right hemicolectomy was performed because the tumor involved the entire appendix.
  • We now think laparoscopic surgery for appendiceal tumors is safe, feasible, and even may be beneficial.

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  • (PMID = 18435897.001).
  • [ISSN] 1086-8089
  • [Journal-full-title] JSLS : Journal of the Society of Laparoendoscopic Surgeons
  • [ISO-abbreviation] JSLS
  • [Language] ENG
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
  • [Other-IDs] NLM/ PMC3016193
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47. Aljarabah MM, Borley NR, Wheeler JM: Appendiceal adenocarcinoma presenting as left-sided large bowel obstruction, a case report and literature review. Int Semin Surg Oncol; 2007;4:20

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Appendiceal adenocarcinoma presenting as left-sided large bowel obstruction, a case report and literature review.
  • BACKGROUND: appendiceal tumours are rare, they may be encountered unexpectedly in any acute or elective abdominal operation, many of these tumours are not appreciated intraoperatively and are diagnosed only during formal histopathological analysis of an appendicectomy specimen.
  • Herein we present a case of appendiceal adenocarcinoma presenting as left-sided large bowel obstruction, we also review the literature of unusual presentations of appendiceal tumours.
  • CASE PRESENTATION: we report a case of left sided large bowel obstruction found to be secondary to an appendiceal adenocarcinoma.
  • The patient presented with abdominal pain, distension and constipation, CT scan showed large bowel obstruction thought to be due to a sigmoid tumour, on laparotomy the appendix was also noted to be abnormal.
  • A separate ileocaecal resection with end ileostomy was also performed, pathology specimens showed that the primary neoplasm was the appendix with metastasis to the distal sigmoid.
  • CONCLUSION: appendiceal tumours are rare, they usually present as acute appendicitis, other presentations are far less common.

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  • (PMID = 17662117.001).
  • [ISSN] 1477-7800
  • [Journal-full-title] International seminars in surgical oncology : ISSO
  • [ISO-abbreviation] Int Semin Surg Oncol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
  • [Other-IDs] NLM/ PMC1948007
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48. Hsu M, Young RH, Misdraji J: Ruptured appendiceal diverticula mimicking low-grade appendiceal mucinous neoplasms. Am J Surg Pathol; 2009 Oct;33(10):1515-21

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Ruptured appendiceal diverticula mimicking low-grade appendiceal mucinous neoplasms.
  • Low-grade appendiceal mucinous neoplasms may rupture and seed the peritoneum with bland neoplastic mucinous epithelium resulting, when grossly evident, in the well-known process pseudomyxoma peritonei.
  • Appendiceal diverticula may also rupture, resulting in mucin on the appendiceal serosa, which may raise concern for an underlying appendiceal mucinous neoplasm.
  • We report 11 cases of ruptured appendiceal diverticula that were initially either misdiagnosed as appendiceal mucinous neoplasms, raised concern for a neoplasm, or were thought to exhibit localized pseudomyxoma peritonei.
  • Two cases showed eversion of the appendiceal lining onto the serosa; 1 showed collision between the diverticulum and endosalpingiosis, and 3 had rare nonneoplastic epithelial cells in extra-appendiceal mucin.
  • Pathologists should be aware that ruptured appendiceal diverticula may be associated with serosal mucin and even extra-appendiceal epithelium.
  • Failure to distinguish this process from a mucosal neoplasm with rupture may result in unnecessary therapy and cause the patient undue alarm.
  • [MeSH-major] Adenocarcinoma, Mucinous / pathology. Appendiceal Neoplasms / pathology. Appendix / pathology. Cecal Diseases / pathology. Diverticulum / pathology
  • [MeSH-minor] Adult. Aged. Diagnosis, Differential. Female. Humans. Male. Middle Aged. Rupture, Spontaneous

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  • (PMID = 19623035.001).
  • [ISSN] 1532-0979
  • [Journal-full-title] The American journal of surgical pathology
  • [ISO-abbreviation] Am. J. Surg. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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49. Sayles M, Courtney E, Younis F, O'Donovan M, Ibrahim A, Fearnhead NS: Appendiceal mucinous adenocarcinoma presenting as an enterocutaneous fistula in an incisional hernia. BMJ Case Rep; 2010;2010
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Appendiceal mucinous adenocarcinoma presenting as an enterocutaneous fistula in an incisional hernia.
  • Following incision and drainage of the abscess, CT demonstrated an enterocutaneous fistula between the appendix and bone-graft incision with appendicitis assumed to be the original cause of the abscess.
  • At laparoscopy, the appendix was adherent to the hernia sac with mucinous material at the superficial orifice of the fistula site but not in the peritoneal cavity.
  • Tumour extended along the fistula track to involve the surface skin.
  • Final histology confirmed pT4N1 tumour with clear resection margins.
  • [MeSH-major] Adenocarcinoma, Mucinous / diagnosis. Appendiceal Neoplasms / diagnosis. Bone Transplantation. Hernia, Abdominal / diagnosis. Ilium / surgery. Intestinal Fistula / diagnosis. Postoperative Complications / diagnosis. Tissue and Organ Harvesting
  • [MeSH-minor] Abdominal Abscess / diagnosis. Aged. Appendectomy. Colectomy. Female. Humans. Laparoscopy. Lymph Node Excision. Neoplasm Staging. Reoperation

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  • (PMID = 22789695.001).
  • [ISSN] 1757-790X
  • [Journal-full-title] BMJ case reports
  • [ISO-abbreviation] BMJ Case Rep
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] England
  • [Other-IDs] NLM/ PMC3038038
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50. Smeenk RM, van Velthuysen ML, Verwaal VJ, Zoetmulder FA: Appendiceal neoplasms and pseudomyxoma peritonei: a population based study. Eur J Surg Oncol; 2008 Feb;34(2):196-201
Genetic Alliance. consumer health - Pseudomyxoma peritonei.

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Appendiceal neoplasms and pseudomyxoma peritonei: a population based study.
  • BACKGROUND: Pseudomyxoma peritonei (PMP) is a rare disease with an estimated incidence of 1 per million per year, and is thought to originate usually from an appendiceal mucinous epithelial neoplasm.
  • However it is not known exactly how often these neoplasms lead to PMP.
  • METHODS: The nationwide pathology database of the Netherlands (PALGA) was searched for the incidence of all appendectomies, the incidence of primary epithelial appendiceal lesions and the incidence and pathology history of patients with PMP.
  • An appendiceal lesion was found in 1482 appendiceal specimens (0.9%).
  • Coincidentally, an additional epithelial colonic neoplasm was found in 13% of patients with an appendiceal epithelial lesion.
  • A mucinous epithelial neoplasm was identified in 0.3% (73% benign, 27% malignant) of appendiceal specimens and 20% of these patients developed PMP.
  • For mucocele and non-mucinous neoplasm the association with PMP was only 2% and 3%, respectively.
  • The primary site was identified in 68% and dominated by the appendix (82%).
  • CONCLUSIONS: Primary epithelial lesions of the appendix are rare.
  • One third of these lesions are mucinous epithelial neoplasms and especially these tumours may progress into PMP.
  • Furthermore there is a considerable risk of an additional colonic epithelial neoplasm in patients with an epithelial neoplasm at appendectomy.
  • [MeSH-major] Adenocarcinoma, Mucinous / epidemiology. Appendiceal Neoplasms / epidemiology. Neoplasms, Multiple Primary / epidemiology. Peritoneal Neoplasms / epidemiology. Pseudomyxoma Peritonei / epidemiology

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  • (PMID = 17524597.001).
  • [ISSN] 1532-2157
  • [Journal-full-title] European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology
  • [ISO-abbreviation] Eur J Surg Oncol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
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51. Bucher P, Gervaz P, Ris F, Oulhaci W, Egger JF, Morel P: Surgical treatment of appendiceal adenocarcinoid (goblet cell carcinoid). World J Surg; 2005 Nov;29(11):1436-9
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Surgical treatment of appendiceal adenocarcinoid (goblet cell carcinoid).
  • Adenocarcinoid of the appendix is an infrequent tumor with histologic features of both adenocarcinoma and carcinoid tumor.
  • The aim of this study was to analyze long-term results of surgical treatment for appendiceal adenocarcinoid.
  • A retrospective review (1991-2003) identified seven patients (median age 72, range 27-81 years) treated for appendiceal adenocarcinoid.
  • Indications for colectomy were tumor size (three cases) associated with appendectomy margin invasion in one case.
  • One patient with lymph node and peritoneal involvement experienced recurrence 9 months after hemicolectomy and died of the disease at 2 years.
  • Five patients were alive without disease at the time of the last follow-up.
  • Our results suggest that appendectomy alone could be used for appendiceal adenocarcinoid provided that the tumor (1) is less than 1 cm;.
  • (2) does not extend beyond the appendix adventitia;.
  • (3) has less than 2 mitoses/10 high power fields; and (4) has surgical margins that are tumor free.
  • The risk for developing colorectal adenocarcinoma seems to be extremely high in patients treated for appendiceal adenocarcinoid and warrants close follow-up with colonoscopic screening.
  • [MeSH-major] Appendectomy. Appendiceal Neoplasms / surgery. Carcinoid Tumor / surgery
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Colectomy. Female. Humans. Male. Middle Aged. Neoplasm Invasiveness. Retrospective Studies

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  • (PMID = 16136284.001).
  • [ISSN] 0364-2313
  • [Journal-full-title] World journal of surgery
  • [ISO-abbreviation] World J Surg
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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52. Yang WL, Yan CQ, Wang FJ, Wang HL: [Diagnosis and surgical treatment of carcinoid tumors of the appendix in 64 patients]. Zhonghua Zhong Liu Za Zhi; 2008 Jul;30(7):538-40
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  • [Title] [Diagnosis and surgical treatment of carcinoid tumors of the appendix in 64 patients].
  • OBJECTIVE: To summarize the experience in the diagnosis and surgical treatment of carcinoid tumors of the appendix.
  • METHODS: From 1972 to 2006, 64 patients with carcinoid tumors of the appendix received surgical treatment in our hospitals.
  • The operation modes were determined according to the doctor's judgments based on the age of the patients, the nature, size, location, infiltration depth and lymph node metastasis of the tumors.
  • CONCLUSION: Carcinoid tumor of the appendix is rare with a high rate of misdiagnosis before operation.
  • Surgical resection is the only effective treatment for this disease and proper operation mode is the key to achieve good survival.
  • [MeSH-major] Appendiceal Neoplasms / diagnosis. Appendiceal Neoplasms / surgery. Carcinoid Tumor / diagnosis. Carcinoid Tumor / surgery. Diagnostic Errors
  • [MeSH-minor] Adolescent. Adult. Aged. Appendectomy. Colectomy / methods. Female. Follow-Up Studies. Humans. Liver Neoplasms / secondary. Lymph Node Excision. Lymphatic Metastasis. Male. Middle Aged. Retrospective Studies. Survival Rate. Young Adult

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  • (PMID = 19062724.001).
  • [ISSN] 0253-3766
  • [Journal-full-title] Zhonghua zhong liu za zhi [Chinese journal of oncology]
  • [ISO-abbreviation] Zhonghua Zhong Liu Za Zhi
  • [Language] chi
  • [Publication-type] English Abstract; Journal Article
  • [Publication-country] China
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53. Bruin SC, Verwaal VJ, Vincent A, van't Veer LJ, van Velthuysen ML: A clinicopathologic analysis of peritoneal metastases of colorectal and appendiceal origin. Ann Surg Oncol; 2010 Sep;17(9):2330-40
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  • [Title] A clinicopathologic analysis of peritoneal metastases of colorectal and appendiceal origin.
  • OBJECTIVE: To predict clinical outcome by classification of peritoneal metastases (PM) of colorectal or appendiceal origin.
  • BACKGROUND: This study investigates whether standardized histological classification can predict outcome for PM of colorectal or appendiceal origin treated with cytoreduction and hyperthermic intraperitoneal chemotherapy (HIPEC).
  • For overall survival (OS) and disease-free survival (DFS) Cox proportional-hazard models were constructed.
  • Covariates included tumor, patient, and treatment characteristics.
  • RESULTS: PM could be categorized into four groups: low-grade, well-differentiated mucinous tumor (DPAM); intermediated-grade mucinous carcinoma (PMCA-i); high-grade mucinous carcinoma (PMCA); and high-grade nonmucinous carcinoma (PCA).
  • Of PM originating from an appendix tumor, 29% were of non-DPAM type.
  • Of primary colorectal tumors, 37% resulted in mucinous PM, and another 26% of PM of colorectal origin had partly mucinous histology.
  • [MeSH-major] Adenocarcinoma, Mucinous / secondary. Appendiceal Neoplasms / pathology. Colorectal Neoplasms / pathology. Peritoneal Neoplasms / secondary
  • [MeSH-minor] Aged. Combined Modality Therapy. Female. Humans. Male. Middle Aged. Neoplasm Staging. Prognosis. Survival Rate

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  • (PMID = 20232161.001).
  • [ISSN] 1534-4681
  • [Journal-full-title] Annals of surgical oncology
  • [ISO-abbreviation] Ann. Surg. Oncol.
  • [Language] eng
  • [Publication-type] Clinical Trial; Journal Article
  • [Publication-country] United States
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54. Yan TD, Zappa L, Edwards G, Alderman R, Marquardt CE, Sugarbaker PH: Perioperative outcomes of cytoreductive surgery and perioperative intraperitoneal chemotherapy for non-appendiceal peritoneal carcinomatosis from a prospective database. J Surg Oncol; 2007 Aug 1;96(2):102-12
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Perioperative outcomes of cytoreductive surgery and perioperative intraperitoneal chemotherapy for non-appendiceal peritoneal carcinomatosis from a prospective database.
  • METHODS: A prospective study of 80 patients undergoing the combined treatment for non-appendiceal peritoneal carcinomatosis was conducted.
  • CONCLUSION: The morbidity and mortality rates after the combined treatment for non-appendiceal peritoneal carcinomatosis were within the acceptable range of surgical treatments for other gastrointestinal cancers.
  • [MeSH-major] Carcinoma / mortality. Gastrointestinal Neoplasms / mortality. Ovarian Neoplasms / mortality. Perioperative Care / methods. Peritoneal Neoplasms / mortality
  • [MeSH-minor] Combined Modality Therapy. Databases, Factual. Female. Humans. Male. Middle Aged. Morbidity. Neoplasm Staging. Peritoneum / surgery. Prospective Studies. Risk Factors

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  • [CommentIn] J Surg Oncol. 2007 Aug 1;96(2):93-4 [17636478.001]
  • (PMID = 17221852.001).
  • [ISSN] 0022-4790
  • [Journal-full-title] Journal of surgical oncology
  • [ISO-abbreviation] J Surg Oncol
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
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55. Yantiss RK, Shia J, Klimstra DS, Hahn HP, Odze RD, Misdraji J: Prognostic significance of localized extra-appendiceal mucin deposition in appendiceal mucinous neoplasms. Am J Surg Pathol; 2009 Feb;33(2):248-55
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Prognostic significance of localized extra-appendiceal mucin deposition in appendiceal mucinous neoplasms.
  • Appendiceal mucinous neoplasms confined to the mucosa are benign, whereas those with disseminated peritoneal mucin deposits often follow an indolent, but malignant, course.
  • Not infrequently, appendiceal mucinous neoplasms are associated with localized periappendiceal mucin deposits, but lack diffuse peritoneal involvement.
  • Although some investigators consider both acellular and cellular periappendiceal mucin to pose no, or minimal, risk for recurrent disease, the biologic importance of localized extra-appendiceal mucin has never been evaluated.
  • We identified 65 patients with appendiceal mucinous neoplasms, all of whom had localized periappendiceal mucin deposits without diffuse peritoneal involvement, and assessed them for the presence of extra-appendiceal epithelium and clinical outcome.
  • Most (77%) cases showed acellular periappendiceal mucin, but 15 (23%) had scant extra-appendiceal epithelium (range: 1 to 12 cell clusters).
  • Upon follow-up (mean: 48 mo), 2 (4%) patients with acellular periappendiceal mucin developed diffuse peritoneal disease, but neither of these appendices was submitted in total for histologic evaluation.
  • In contrast, 5 of 15 (33%) patients with cellular periappendiceal mucin developed mucinous ascites, including 1 who eventually died of disease (P=0.03).
  • Thus, patients with appendiceal mucinous neoplasms and acellular periappendiceal mucin are unlikely to develop recurrent disease.
  • However, microscopic examination of the entire appendix is necessary, as lesions with extra-appendiceal tumor cells are more likely to progress to disseminated disease and result in death of the patient, even if the mucin is paucicellular and confined to the periappendiceal region.
  • [MeSH-major] Adenocarcinoma, Mucinous / pathology. Appendiceal Neoplasms / pathology. Mucins / metabolism
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Child. Female. Humans. Male. Middle Aged. Neoplasm Recurrence, Local / pathology. Prognosis

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  • (PMID = 18852679.001).
  • [ISSN] 1532-0979
  • [Journal-full-title] The American journal of surgical pathology
  • [ISO-abbreviation] Am. J. Surg. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Mucins
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56. Coşkun H, Bostanci O, Dilege ME, Mihmanli M, Yilmaz B, Akgün I, Yildirim S: Carcinoid tumors of appendix: treatment and outcome. Ulus Travma Acil Cerrahi Derg; 2006 Apr;12(2):150-4
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Carcinoid tumors of appendix: treatment and outcome.
  • BACKGROUND: The aim of this study is to evaluate the clinical and histopathological features and the treatment of carcinoid tumors of the appendix.
  • METHODS: A retrospective review of medical records and pathology specimens of patients with carcinoid tumor of the appendix has been done.
  • RESULTS: The histopathological examination of the appendices revealed carcinoid tumor in 11 out of 6777 (0.16%) patients operated for acute appendicitis.
  • The tumor was localized in the distal 1/3 region in 10 patients and in the proximal 1/3 region in 1 patient.
  • The mean tumor diameter was 0.73+/-0.36 cm (0.3-1.5).
  • Ten patients had classical type carcinoid tumor whereas goblet cell carcinoid tumor was only seen in one patient.
  • CONCLUSION: In tumors with a diameter of 1 to 2 cm, appendectomy is the treatment of choice.
  • No recurrence was detected with tumors smaller than 2 cm with simple appendectomy.
  • [MeSH-major] Appendiceal Neoplasms / epidemiology. Appendiceal Neoplasms / surgery. Carcinoid Tumor / epidemiology. Carcinoid Tumor / surgery

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  • (PMID = 16676255.001).
  • [ISSN] 1306-696X
  • [Journal-full-title] Ulusal travma ve acil cerrahi dergisi = Turkish journal of trauma & emergency surgery : TJTES
  • [ISO-abbreviation] Ulus Travma Acil Cerrahi Derg
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Turkey
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57. Haase E, Yoo D, Sugarbaker PH: Management of appendiceal pseudomyxoma peritonei diagnosed during pregnancy. World J Surg Oncol; 2009;7:48
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  • [Title] Management of appendiceal pseudomyxoma peritonei diagnosed during pregnancy.
  • Epithelial tumors of the appendix on the other hand are rare and account for only approximately 1% of all colorectal neoplasms; the occurrence of this neoplasm during pregnancy is extremely rare.
  • CASE PRESENTATION: The medical history of a 30 year old woman diagnosed at 17 weeks gestation with an appendiceal mucinous tumor with large volume pseudomyxoma peritonei was presented.
  • She remains disease-free 5 years after her initial diagnosis.
  • CONCLUSION: The management of an appendiceal tumor with pseudomyxoma peritonei diagnosed during pregnancy requires full knowledge of the natural history of this disease to achieve a balance of concern for maternal survival and fetal health.
  • [MeSH-major] Appendiceal Neoplasms / surgery. Peritoneal Neoplasms / surgery. Pregnancy Complications, Neoplastic / surgery. Pseudomyxoma Peritonei / surgery

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  • (PMID = 19454019.001).
  • [ISSN] 1477-7819
  • [Journal-full-title] World journal of surgical oncology
  • [ISO-abbreviation] World J Surg Oncol
  • [Language] eng
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58. Tchana-Sato V, Detry O, Polus M, Thiry A, Detroz B, Maweja S, Hamoir E, Defechereux T, Coimbra C, De Roover A, Meurisse M, Honoré P: Carcinoid tumor of the appendix: a consecutive series from 1237 appendectomies. World J Gastroenterol; 2006 Nov 7;12(41):6699-701
ORBi (University of Liege). Free full Text at ORBi .

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  • [Title] Carcinoid tumor of the appendix: a consecutive series from 1237 appendectomies.
  • AIM: To report the experience of the CHU Sart Tilman, University of Liege, Belgium, in the management of appendiceal carinoid tumor.
  • RESULTS: Among the 1237 appendectomies, 5 appendiceal carcinoid tumors were identified (0.4%) in 4 male and 1 female patients, with a mean age of 29.2 years (range: 6-82 years).
  • All tumors were located at the tip of the appendix with a mean diameter of 0.6 cm (range: 0.3-1.0 cm).
  • All patients were alive and disease-free during a mean follow-up of 33 mo.
  • CONCLUSION: Appendiceal carcinoid tumor most often presents as appendicitis.
  • In most cases, it is found incidentally during appendectomies and its diagnosis is rarely suspected before histological examination.
  • Appendiceal carcinoid tumor can be managed by simple appendectomy and resection of the mesoappendix, if its size is <or=1 cm.
  • [MeSH-major] Appendectomy / methods. Appendiceal Neoplasms / surgery. Carcinoid Tumor / surgery

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  • (PMID = 17075987.001).
  • [ISSN] 1007-9327
  • [Journal-full-title] World journal of gastroenterology
  • [ISO-abbreviation] World J. Gastroenterol.
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] China
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59. Lambert LA, Armstrong TS, Lee JJ, Liu S, Katz MH, Eng C, Wolff RA, Tortorice ML, Tansey P, Gonzalez-Moreno S, Lambert DH, Mansfield PF: Incidence, risk factors, and impact of severe neutropenia after hyperthermic intraperitoneal mitomycin C. Ann Surg Oncol; 2009 Aug;16(8):2181-7
Hazardous Substances Data Bank. MITOMYCIN C .

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  • BACKGROUND: Cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) are considered the standard of care for patients with peritoneal dissemination of appendiceal cancer and are increasingly being evaluated for use in patients with carcinomatosis from colon cancer.
  • METHODS: All patients undergoing CRS and MMC-HIPEC for appendiceal cancer between January 1993 and October 2006 were retrospectively reviewed.
  • RESULTS: One hundred and twenty MMC-HIPEC were performed in 117 patients with appendiceal cancer.

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  • (PMID = 19475451.001).
  • [ISSN] 1534-4681
  • [Journal-full-title] Annals of surgical oncology
  • [ISO-abbreviation] Ann. Surg. Oncol.
  • [Language] ENG
  • [Grant] United States / NCI NIH HHS / CA / P30 CA016672; United States / NCI NIH HHS / CA / CA16672
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antibiotics, Antineoplastic; 50SG953SK6 / Mitomycin
  • [Other-IDs] NLM/ PMC2711905
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60. Tran TA, Holloway RW, Finkler NJ: Metastatic appendiceal mucinous adenocarcinoma to well-differentiated diffuse mesothelioma of the peritoneal cavity: a mimicker of florid mesothelial hyperplasia in association with neoplasms. Int J Gynecol Pathol; 2008 Oct;27(4):526-30
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  • [Title] Metastatic appendiceal mucinous adenocarcinoma to well-differentiated diffuse mesothelioma of the peritoneal cavity: a mimicker of florid mesothelial hyperplasia in association with neoplasms.
  • Atypical/florid mesothelial hyperplasia associated with another neoplastic process is not an infrequent phenomenon and has been reported in a variety of tumors.
  • The subsequent operation, however, demonstrated a mucinous neoplasm of the appendix with involvement of the peritoneal cavity in the form of peritoneal mucinous carcinomatosis as well as metastases to the uterine serosa and adnexal surfaces.
  • Microscopic analysis revealed an appendiceal adenocarcinoma with signet-ring-cell features that has metastasized to a diffuse well-differentiated mesothelioma of the peritoneal cavity.
  • To the best of our knowledge, this is the first report of a metastatic appendiceal mucinous adenocarcinoma to a well-differentiated diffuse mesothelioma of the peritoneal cavity.
  • This unusual case report expands the spectrum of mesothelial proliferation in conjunction with a malignant neoplasm and serves to remind pathologists that such a concomitant occurrence exists.
  • [MeSH-major] Adenocarcinoma, Mucinous / pathology. Appendiceal Neoplasms / pathology. Mesothelioma / pathology. Peritoneal Neoplasms / secondary
  • [MeSH-minor] Adult. Diagnosis, Differential. Female. Histocytochemistry. Humans

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  • (PMID = 18753969.001).
  • [ISSN] 1538-7151
  • [Journal-full-title] International journal of gynecological pathology : official journal of the International Society of Gynecological Pathologists
  • [ISO-abbreviation] Int. J. Gynecol. Pathol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
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61. Lanuke K, Mack LA, Temple WJ: Phase II study of regional treatment for peritoneal carcinomatosis. Am J Surg; 2009 May;197(5):614-8; discussion 618
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  • Patient and tumor characteristics, surgical details, complications, disease-free survival (DFS), and overall survival (OS) were recorded prospectively.
  • RESULTS: The majority (82%) of patients, median age 49 years (range, 18-77 y), had complete macroscopic cytoreduction (completeness of cytoreduction score, 0) despite a generally extensive tumor burden.
  • Preliminary median DFS and OS have not been defined for appendix tumors at a median follow-up period of 16 months (range, 1-86 mo).
  • Median DFS and OS for colonic tumors are 8 months and 26 months, respectively, with a median follow-up period of 12 months (range, 1-48 mo).
  • [MeSH-major] Peritoneal Neoplasms / drug therapy
  • [MeSH-minor] Adolescent. Adult. Aged. Antibiotics, Antineoplastic / administration & dosage. Appendiceal Neoplasms / pathology. Chemotherapy, Cancer, Regional Perfusion. Colorectal Neoplasms / pathology. Disease-Free Survival. Female. Humans. Hyperthermia, Induced. Male. Middle Aged. Mitomycin / administration & dosage. Treatment Outcome. Young Adult

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  • (PMID = 19393354.001).
  • [ISSN] 1879-1883
  • [Journal-full-title] American journal of surgery
  • [ISO-abbreviation] Am. J. Surg.
  • [Language] eng
  • [Publication-type] Clinical Trial, Phase II; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antibiotics, Antineoplastic; 50SG953SK6 / Mitomycin
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62. Elias D, Honoré C, Ciuchendéa R, Billard V, Raynard B, Lo Dico R, Dromain C, Duvillard P, Goéré D: Peritoneal pseudomyxoma: results of a systematic policy of complete cytoreductive surgery and hyperthermic intraperitoneal chemotherapy. Br J Surg; 2008 Sep;95(9):1164-71
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  • BACKGROUND: Pseudomyxoma peritonei (PMP) is characterized by progressive intraperitoneal accumulation of mucous and mucinous implants, usually derived from a ruptured, possibly malignant mucinous neoplasm of the appendix.
  • Overall and disease-free 5-year survival rates were 80.0 and 68.5 per cent respectively.
  • The Cox model identified only two significant factors impacting on disease-free survival: CA19.9 level and pathological grade.
  • [MeSH-major] Antineoplastic Agents / therapeutic use. Peritoneal Neoplasms / drug therapy. Peritoneal Neoplasms / surgery. Pseudomyxoma Peritonei / drug therapy. Pseudomyxoma Peritonei / surgery
  • [MeSH-minor] Chemotherapy, Adjuvant / methods. Combined Modality Therapy / methods. Disease-Free Survival. Female. Fluorouracil / administration & dosage. Humans. Hyperthermia, Induced. Injections, Intraperitoneal. Male. Organoplatinum Compounds / administration & dosage. Preoperative Care / methods. Prognosis. Prospective Studies. Treatment Outcome

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  • (PMID = 18690633.001).
  • [ISSN] 1365-2168
  • [Journal-full-title] The British journal of surgery
  • [ISO-abbreviation] Br J Surg
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Antineoplastic Agents; 0 / Organoplatinum Compounds; 04ZR38536J / oxaliplatin; U3P01618RT / Fluorouracil
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63. Shinoda M, Hatano S, Kawakubo H, Kakefuda T, Omori T, Ishii S: Adult cecoanal intussusception caused by cecum cancer: report of a case. Surg Today; 2007;37(9):802-5

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  • The defect was moved back to oral side with the pressure of the enema, revealing a tumor originating in the cecum.
  • Laparotomy confirmed that the tumor originated at the bottom of the appendix in the cecum.
  • We performed partial resection of the cecum containing the tumor and appendix.
  • The pathological finding was submucosal adenocarcinoma in adenoma.
  • [MeSH-major] Anal Canal / pathology. Cecal Neoplasms / complications. Cecum / pathology. Intussusception / etiology

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  • (PMID = 17713738.001).
  • [ISSN] 0941-1291
  • [Journal-full-title] Surgery today
  • [ISO-abbreviation] Surg. Today
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Japan
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64. Young RH: From Krukenberg to today: the ever present problems posed by metastatic tumors in the ovary. Part II. Adv Anat Pathol; 2007 May;14(3):149-77
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  • [Title] From Krukenberg to today: the ever present problems posed by metastatic tumors in the ovary. Part II.
  • This is the second of a two-part consideration of metastatic tumors to the ovary.
  • The first tumor discussed is gastric carcinoma of intestinal-type whose ovarian manifestations have been the subject of a recent paper which emphasized its differences from the Krukenberg tumor.
  • The section on pancreatic neoplasms reemphasizes the problems caused by metastatic ductal carcinoma, considered primarily in Part I, and discusses less common issues such as spread of neuroendocrine and acinar cell carcinomas.
  • The limited information on spread of tumors of the gallbladder and extrahepatic bile ducts is then reviewed before more detailed consideration of hepatic neoplasms, prompted by recent contributions on hepatocellular carcinoma and intrahepatic cholangiocarcinoma, the latter based on significant experience with this problem in Thailand.
  • The section on appendiceal neoplasms highlights ovarian spread of diverse tumors ranging from typical intestinal-type adenocarcinoma to signet-ring cell carcinomas with various patterns which in the ovary may prompt diagnoses such as a goblet cell (mucinous) carcinoid tumor, but whose ovarian features place them in the category of a Krukenberg tumor.
  • The diverse problems in differential diagnosis of carcinoid tumor (provoked by nested, acinar, and other patterns, including folliclelike spaces) are then reviewed.
  • The section on breast cancer emphasizes that, although usually a manifestation of late stage disease and often not bulky in the ovaries, metastatic breast cancer may form large masses which can represent the clinical presentation.
  • The section on lung tumors largely reflects information in a recent paper that small cell carcinoma and adenocarcinoma are the lung cancers that spread to the ovary most commonly.
  • The extremely broad differential diagnosis posed by metastatic malignant melanoma ranging from that of an oxyphilic tumor, to a small cell tumor, to a follicle-forming neoplasm, is then considered.
  • The sections on renal cell carcinoma and other urinary tract neoplasms emphasize the differential diagnosis of metastatic clear cell carcinoma and primary clear cell carcinoma, an issue usually resolvable by an awareness of the various features of the ovarian variant, rarely or never seen in the renal variant.
  • The section on metastatic sarcomas discusses endometrial stromal sarcomas, gastrointestinal stromal neoplasms, and miscellaneous other sarcomas.
  • The endometrial stromal tumors are problematic largely because the history of a primary tumor may be remote, in the ovaries the typical growth and vascular pattern of endometrial stromal neoplasms is not always conspicuous, and some endometrial stromal sarcomas in the ovary show sex cordlike patterns of growth.
  • Recent information has indicated that gastrointestinal stromal tumors may rarely have significant ovarian manifestations and if the primary neoplasm is overlooked, the ovarian tumor may be misdiagnosed, usually as an ovarian fibromatous tumor, but potentially as another primary neoplasm.
  • The final neoplasms considered are malignant mesothelioma and the desmoplastic small round cell tumor.
  • The microscopic features of malignant mesothelioma are so different from those of primary ovarian carcinoma in most instances that the diagnosis should be readily established on routine microscopic evaluation.
  • The differential diagnosis of the desmoplastic small round cell tumor is more complex because of the greater overlap with the many other small cell malignant tumors that may involve the ovaries primarily or secondarily.
  • Nonetheless, differences exist in most cases and awareness of the entity should lead to consideration of the desmoplastic neoplasm, particularly in a young female.
  • However, as pointed out in brief concluding remarks, despite the aid of that modality, as in surgical pathology overall, careful consideration of the clinical background, distribution of disease, gross characteristics and spectrum of routine microscopic findings, will lead to the correct diagnosis in the majority of cases and at the very least lead to formulation of a considered differential diagnosis such that use of special techniques may be judicious and those results placed in context of the time-honored clinical and pathologic features.
  • [MeSH-major] Carcinoma / secondary. Krukenberg Tumor / secondary. Ovarian Neoplasms / secondary
  • [MeSH-minor] Diagnosis, Differential. Female. History, 19th Century. History, 20th Century. Humans

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  • (PMID = 17452813.001).
  • [ISSN] 1072-4109
  • [Journal-full-title] Advances in anatomic pathology
  • [ISO-abbreviation] Adv Anat Pathol
  • [Language] eng
  • [Publication-type] Historical Article; Journal Article; Review
  • [Publication-country] United States
  • [Number-of-references] 67
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65. Bronzino P, Abbo L, Bagnasco F, Barisone P, Dezzani C, Genovese AM, Iannucci P, Ippoliti M, Sacchi M, Aimo I: [Appendiceal mucocele due to mucinous cystadenoma: case report and review of the literature]. G Chir; 2006 Mar;27(3):97-9

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  • [Title] [Appendiceal mucocele due to mucinous cystadenoma: case report and review of the literature].
  • Mucinous cystadenomas of the appendix are rare tumours.
  • At laparotomy we found a dilatation of the appendix which contained an abundant quantity of mucus.
  • Histological examination showed a mucinous cystadenoma of the appendix.
  • This neoplasm requires a surgical treatment, usually only appendectomy and right hemicolectomy in case of involvement of the caecum.
  • During operation, the surgeon must take care in handling the appendix because of the risk of rupture with consequent dissemination of epithelial cells in the peritoneal cavity (pseudomyxoma peritonei).
  • [MeSH-major] Appendiceal Neoplasms / complications. Cystadenoma, Mucinous / complications. Mucocele / etiology

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  • (PMID = 16681869.001).
  • [ISSN] 0391-9005
  • [Journal-full-title] Il Giornale di chirurgia
  • [ISO-abbreviation] G Chir
  • [Language] ita
  • [Publication-type] Case Reports; English Abstract; Journal Article; Review
  • [Publication-country] Italy
  • [Number-of-references] 15
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66. Srivastava A, Hornick JL: Immunohistochemical staining for CDX-2, PDX-1, NESP-55, and TTF-1 can help distinguish gastrointestinal carcinoid tumors from pancreatic endocrine and pulmonary carcinoid tumors. Am J Surg Pathol; 2009 Apr;33(4):626-32
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  • [Title] Immunohistochemical staining for CDX-2, PDX-1, NESP-55, and TTF-1 can help distinguish gastrointestinal carcinoid tumors from pancreatic endocrine and pulmonary carcinoid tumors.
  • Well-differentiated neuroendocrine tumors (WDNET) of the gastrointestinal tract, pancreas, and lung are histologically similar.
  • In total, 64 gastrointestinal carcinoids (5 stomach; 5 duodenum; 31 ileum; 11 appendix; and 12 rectum); 39 pancreatic endocrine tumors (PET); and 20 pulmonary carcinoid tumors were studied.
  • Appendiceal carcinoids were uniformly positive for CDX-2 (11/11).
  • [MeSH-major] Biomarkers, Tumor / metabolism. Carcinoid Tumor / diagnosis. Gastrointestinal Neoplasms / diagnosis. Lung Neoplasms / diagnosis. Neoplasm Proteins / metabolism. Pancreatic Neoplasms / diagnosis
  • [MeSH-minor] DNA-Binding Proteins / metabolism. Diagnosis, Differential. Fluorescent Antibody Technique, Indirect. GTP-Binding Protein alpha Subunits, Gs / metabolism. Homeodomain Proteins / metabolism. Humans. Immunoenzyme Techniques. Trans-Activators / metabolism

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  • (PMID = 19065104.001).
  • [ISSN] 1532-0979
  • [Journal-full-title] The American journal of surgical pathology
  • [ISO-abbreviation] Am. J. Surg. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / DNA-Binding Proteins; 0 / Homeodomain Proteins; 0 / Neoplasm Proteins; 0 / TTF1 protein, human; 0 / Trans-Activators; 0 / pancreatic and duodenal homeobox 1 protein; 156560-97-3 / Cdx-2-3 protein; EC 3.6.1.- / GNAS protein, human; EC 3.6.5.1 / GTP-Binding Protein alpha Subunits, Gs
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67. Ramirez PT, Slomovitz BM, McQuinn L, Levenback C, Coleman RL: Role of appendectomy at the time of primary surgery in patients with early-stage ovarian cancer. Gynecol Oncol; 2006 Dec;103(3):888-90
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  • Anderson Cancer Center between January 1992 and December 2004 and who did not meet any of the following exclusion criteria: stage III or IV ovarian cancer, appendectomy as part of a second-look procedure or secondary tumor-reductive surgery, primary appendiceal cancer, primary gastrointestinal malignancy with metastasis to the appendix, incomplete clinicopathologic data, appendicitis as a preoperative diagnosis, primary fallopian tube cancer, primary peritoneal cancer, or documented dual primary tumors.
  • Histologic diagnoses were as follows: invasive epithelial carcinoma, 35 patients (61%); tumor of low malignant potential, 15 patients (26%); malignant germ cell tumor, 4 patients (7%); and other, 3 patients (5%).
  • Twenty-three patients (40%) had pure mucinous tumors.
  • Forty-six patients (81%) had stage I and 11 patients (19%) had stage II disease.
  • No patient had evidence of appendiceal involvement.
  • [MeSH-major] Appendectomy / utilization. Appendix / surgery. Ovarian Neoplasms / surgery
  • [MeSH-minor] Adolescent. Adult. Aged. Cystadenocarcinoma, Mucinous / epidemiology. Cystadenocarcinoma, Mucinous / pathology. Cystadenocarcinoma, Mucinous / surgery. Female. Humans. Medical Records. Middle Aged. Neoplasm Staging. Neoplasms, Germ Cell and Embryonal / epidemiology. Neoplasms, Germ Cell and Embryonal / pathology. Neoplasms, Germ Cell and Embryonal / surgery. Neoplasms, Glandular and Epithelial / epidemiology. Neoplasms, Glandular and Epithelial / pathology. Neoplasms, Glandular and Epithelial / surgery. Ovariectomy / utilization. Postoperative Complications. Retrospective Studies. Texas / epidemiology

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  • (PMID = 16806436.001).
  • [ISSN] 0090-8258
  • [Journal-full-title] Gynecologic oncology
  • [ISO-abbreviation] Gynecol. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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68. Safioleas MC, Moulakakis KG, Kontzoglou K, Stamoulis J, Nikou GC, Toubanakis C, Lygidakis NJ: Carcinoid tumors of the appendix. Prognostic factors and evaluation of indications for right hemicolectomy. Hepatogastroenterology; 2005 Jan-Feb;52(61):123-7
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  • [Title] Carcinoid tumors of the appendix. Prognostic factors and evaluation of indications for right hemicolectomy.
  • BACKGROUND/AIMS: Carcinoid tumors of the appendix are thought to be the most common type of appendiceal neoplasms.
  • Although the vast majority of appendiceal carcinoids behave in a benign fashion, they are considered malignant because they all have the potential for invasion, metastasis and production of physiologically active substances.
  • Following confirmation of the diagnosis, secretion of 5-HLAA (5-Hydroxy-Inndole-Acetic Acid) was measured after a 24-hour collection of urine.
  • Also, patients with tumor size more than 1cm underwent a Somatostatin Receptor Scintigraphy (Octreoscan).
  • RESULTS: The most common site for the tumors was the tip of the appendix (18/22).
  • In the rest of the cases, the neoplasms were located in the base (4/22) and in the body (2/22), while in one patient the mesoappendix was invaded.
  • In sixteen patients the tumor size was less than 1cm, in seven patients the tumor diameter was measured to be 1 to 2cm and in one patient the tumor was 3cm.
  • Most of our patients (16/22) underwent only an appendicectomy, while in the rest of them (in the patients with tumor size between 1-2cm and in the patient with invasion of mesoappendix) a right hemicolectomy was performed.
  • No patient was found to have metastatic disease during the operation, while the patient with invasion of the mesoappendix developed metastases in the lung, two years after the operation.
  • CONCLUSIONS: Carcinoid tumors of the appendix, in most cases, are found incidentally during appendicectomies, especially in young females and usually are less than 1cm in size, which is probably the reason of the absence of metastases in all cases.
  • Histological examination and size of the tumor are important factors that contribute to the selection of the surgical treatment and both must be estimated by the surgeons to make the final choice.
  • [MeSH-major] Appendiceal Neoplasms / pathology. Appendiceal Neoplasms / surgery. Carcinoid Tumor / pathology. Carcinoid Tumor / surgery

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  • (PMID = 15783011.001).
  • [ISSN] 0172-6390
  • [Journal-full-title] Hepato-gastroenterology
  • [ISO-abbreviation] Hepatogastroenterology
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Greece
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69. Wang RC, Jan YJ, Wen MC, Wang J, Hsieh PP: Primary appendiceal precursor B lymphoblastic lymphoma with peculiar morphology mimicking diffuse large B cell lymphoma. Pathol Int; 2010 Oct;60(10):690-3
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  • [Title] Primary appendiceal precursor B lymphoblastic lymphoma with peculiar morphology mimicking diffuse large B cell lymphoma.
  • Precursor B lymphoblastic neoplasm usually presented as childhood leukemia.
  • Primary appendiceal involvement is an uncommon condition.
  • We present an unusual case of primary appendiceal precursor B lymphoblastic lymphoma in an 11-year-old boy with peculiar histological morphology mimicking diffuse large B cell lymphoma.
  • Histologically, the tumor was composed of diffusely infiltrated large cells from mucosa and extended to the subserosal area.
  • The tumor cells were positive to CD79a, CD20, PAX5, BCL2, CD10, TdT, p53 but not to CD3, BCL6 and CD34 by immunohistochemical studies.
  • Unfortunately, the patient died in ten months due to uncontrolled relapsed disease with generalized lymphadenopathy and massive pleural effusion.
  • [MeSH-major] Appendiceal Neoplasms / pathology. Lymphoma, Large B-Cell, Diffuse / pathology. Precursor B-Cell Lymphoblastic Leukemia-Lymphoma / pathology
  • [MeSH-minor] Child. Diagnosis, Differential. Fatal Outcome. Humans. Male

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  • [Copyright] © 2010 The Authors. Pathology International © 2010 Japanese Society of Pathology and Blackwell Publishing Asia Pty Ltd.
  • (PMID = 20846268.001).
  • [ISSN] 1440-1827
  • [Journal-full-title] Pathology international
  • [ISO-abbreviation] Pathol. Int.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Australia
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70. Yoon SO, Kim BH, Lee HS, Kang GH, Kim WH, Kim YA, Kim JE, Chang MS: Differential protein immunoexpression profiles in appendiceal mucinous neoplasms: a special reference to classification and predictive factors. Mod Pathol; 2009 Aug;22(8):1102-12
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  • [Title] Differential protein immunoexpression profiles in appendiceal mucinous neoplasms: a special reference to classification and predictive factors.
  • Appendiceal mucinous neoplasms have been the focus of considerable debate in recent years.
  • We histologically classified 70 appendiceal mucinous neoplasms into three categories: 32 mucinous adenoma, 23 mucinous neoplasm of uncertain malignant potential, and 15 mucinous adenocarcinomas.
  • Immunohistochemistry was performed for 24 proteins in different functional categories, specifically, oncogenic proteins (bcl-2, beta-catenin, CEA, C-erbB2, c-kit, Cox-2, Cyclin D1, EGFR, Ki-67, NF-kappaB, VEGF), tumor suppressors (E-cadherin, FHIT, hMLH1, p53, p63, smad4), cell-cycle regulators (p21, p27, p16), and mucin proteins (MUC1, MUC2, MUC5AC, MUC6).
  • The distinct immunoexpression profile of mucinous neoplasm of uncertain malignant potential was placed between those of mucinous adenoma and mucinous adenocarcinoma (P<0.05).
  • Moreover, the mucinous adenoma, mucinous neoplasm of uncertain malignant potential, and mucinous adenocarcinoma categories displayed differences in terms of the number of altered markers among the nine proteins (P<0.05; mean 1.4 vs 2.6 vs 5.5, respectively).
  • In mucinous adenocarcinoma, the p53 status was related to disease-free survival and overall survival of patients (P<0.05, both).
  • NF-kappaB status and the number of altered protein markers made statistically marginal impacts on disease-free survival; also beta-catenin loss, on overall survival of patients.
  • In conclusion, protein immunoexpression profiles may facilitate the classification of appendiceal mucinous neoplasms.
  • In our study, the three tumor categories of mucinous adenoma, mucinous neoplasm of uncertain malignant potential, and mucinous adenocarcinoma exhibited distinct immunoexpression profiles.
  • Five and more altered protein markers, p53 overexpression, NF-kappaB positivity, and beta-catenin loss were predictive factors of adverse clinical outcomes in appendiceal mucinous adenocarcinomas.
  • [MeSH-major] Adenocarcinoma, Mucinous / pathology. Appendiceal Neoplasms / pathology. Biomarkers, Tumor / analysis. Cystadenoma, Mucinous / pathology
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. Child. Disease-Free Survival. Female. Gene Expression. Gene Expression Profiling. Humans. Immunohistochemistry. Kaplan-Meier Estimate. Male. Middle Aged. NF-kappa B / biosynthesis. NF-kappa B / genetics. Prognosis. Tissue Array Analysis. Tumor Suppressor Protein p53 / biosynthesis. Tumor Suppressor Protein p53 / genetics. Young Adult. beta Catenin / biosynthesis. beta Catenin / genetics


71. Schomas DA, Miller RC, Donohue JH, Gill S, Thurmes PJ, Haddock MG, Quevedo JF, Gunderson LL: Intraperitoneal treatment for peritoneal mucinous carcinomatosis of appendiceal origin after operative management: long-term follow-up of the Mayo Clinic experience. Ann Surg; 2009 Apr;249(4):588-95
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  • [Title] Intraperitoneal treatment for peritoneal mucinous carcinomatosis of appendiceal origin after operative management: long-term follow-up of the Mayo Clinic experience.
  • OBJECTIVE: To determine prognostic factors and the impact of intraperitoneal (IP) treatment after surgical resection of peritoneal mucinous carcinomatosis (PMC) of appendiceal origin.
  • SUMMARY OF BACKGROUND DATA: PMC is a rare, malignant, intra-abdominal neoplasm that produces large amounts of mucin.
  • Patients typically present with diffuse peritoneal disease.
  • The Kaplan-Meier method was used to estimate overall survival (OS) and disease-free survival.
  • RESULTS: All gross disease was removed in 61% of patients.
  • Adverse prognostic factors for OS identified by univariate analysis included partial mucin debulking, adenocarcinoma histology, systemic chemotherapy, diffuse IP disease at presentation, and no IP therapy.
  • On multivariate analysis, diffuse IP disease at presentation and no IP therapy remained significant.
  • CONCLUSIONS: This large, single-institution, retrospective series with long-term follow-up suggests that IP chromic phosphate P 32 and 5-fluorouracil after maximal surgical resection of PMC of appendiceal origin is associated with improved OS and disease-free survival.
  • [MeSH-major] Adenocarcinoma, Mucinous / therapy. Appendiceal Neoplasms / therapy. Chemotherapy, Cancer, Regional Perfusion. Fluorouracil / administration & dosage. Peritoneal Neoplasms / therapy. Piperazines / administration & dosage
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Analysis of Variance. Appendectomy / methods. Cancer Care Facilities. Chemotherapy, Adjuvant. Cohort Studies. Combined Modality Therapy. Female. Follow-Up Studies. Humans. Infusions, Parenteral. Kaplan-Meier Estimate. Male. Middle Aged. Minnesota. Multivariate Analysis. Neoplasm Staging. Probability. Proportional Hazards Models. Retrospective Studies. Risk Assessment. Statistics, Nonparametric. Survival Analysis. Time Factors

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  • (PMID = 19300231.001).
  • [ISSN] 1528-1140
  • [Journal-full-title] Annals of surgery
  • [ISO-abbreviation] Ann. Surg.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Piperazines; 59702-31-7 / 1-ethyl-2,3-dioxopiperazine; U3P01618RT / Fluorouracil
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72. Smaldone GM, Richard SD, Krivak TC, Kelley JL 3rd, Edwards RP: Pregnancy after tumor debulking and intraperitoneal cisplatin for appendiceal carcinoid tumor. Obstet Gynecol; 2007 Aug;110(2 Pt 2):477-9
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  • [Title] Pregnancy after tumor debulking and intraperitoneal cisplatin for appendiceal carcinoid tumor.
  • CASE: We present the case of a 25-year-old woman with appendiceal carcinoid tumor treated with intraperitoneal cisplatin for peritoneal recurrence after a fertility-sparing cytoreductive procedure.
  • She subsequently had a successful second pregnancy and is currently alive without evidence of her disease.
  • CONCLUSION: Conception is possible after tumor debulking and intraperitoneal chemotherapy.
  • [MeSH-major] Antineoplastic Agents / adverse effects. Appendiceal Neoplasms / drug therapy. Carcinoid Tumor / drug therapy. Cisplatin / adverse effects. Infertility, Female / therapy. Neoplasm Recurrence, Local / drug therapy


73. Samet I, Cormier B, Mowlawi H, Philippe A, Arbion F, Fétissof F: [Endometrial and endocervical lesions associated with pseudomyxoma peritonei: a case report]. Ann Pathol; 2009 Jun;29(3):233-7
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  • The association of a pseudomyxoma peritonei with a mucinous tumor of the appendix and/or the ovary is regularly reported in the literature.
  • We report the case of a 57-year-old patient, with pseudomyxoma peritonei associated with a low-grade mucinous neoplasia of appendix and both ovaries.
  • Histological and immunohistochemical characteristics of this epithelium were quite comparable to those observed in the appendix and ovaries.
  • The endocervical and endometrial lesions might represent an implantation of mucinous epithelium from appendix, emphasizing the capacity of this epithelium to implant at a distance from the original lesion.
  • [MeSH-major] Adenocarcinoma, Mucinous / complications. Appendiceal Neoplasms / complications. Cervix Uteri / pathology. Endometrium / pathology. Neoplasms, Multiple Primary / pathology. Ovarian Neoplasms / complications. Pseudomyxoma Peritonei / etiology
  • [MeSH-minor] Appendectomy. Breast Neoplasms / diagnosis. Carcinoma, Ductal, Breast / diagnosis. Epithelial Cells / pathology. Female. Humans. Hysterectomy. Metaplasia. Middle Aged. Neoplasm Invasiveness. Ovariectomy


74. Timofeev J, Galgano MT, Stoler MH, Lachance JA, Modesitt SC, Jazaeri AA: Appendiceal pathology at the time of oophorectomy for ovarian neoplasms. Obstet Gynecol; 2010 Dec;116(6):1348-53
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  • [Title] Appendiceal pathology at the time of oophorectomy for ovarian neoplasms.
  • OBJECTIVE: To investigate the prevalence of appendiceal pathology in women undergoing surgery for a suspected ovarian neoplasm and the predictive value of intraoperative findings to determine the need for appendectomy at the time of surgery.
  • Observations were stratified based on the nature (benign, borderline, or malignant) and histology (serous compared with mucinous) of the ovarian neoplasm, frozen compared with final pathological diagnosis, and the gross appearance of the appendix.
  • RESULTS: Among the 191 patients identified, frozen section was consistent with seven mucinous and 35 serous carcinomas, 16 serous and 33 mucinous borderline tumors, 71 mucinous and serous cystadenomas, and 29 cases of suspected metastatic tumor from a gastrointestinal primary.
  • The highest rates of coexisting appendiceal pathology were associated with serous ovarian cancers (94.4% of grossly abnormal and 35.3% of normal appendices) and ovarian tumors suspected to be of primary gastrointestinal origin (83.3% grossly abnormal and 60.0% normal appendices harbored coexisting mucinous neoplasms).
  • Linear regression analysis revealed that appearance of the appendix and frozen section diagnosis of the ovarian pathology were statistically significant predictors of coexisting appendiceal pathology, but the latter was more important.
  • CONCLUSION: The prevalence of coexisting, clinically significant appendiceal pathology is low with a frozen section diagnosis of serous or mucinous cystadenoma.
  • Appendectomy is recommended when frozen section diagnosis is mucinous or serous ovarian carcinoma, borderline tumor or metastatic carcinoma of suspected gastrointestinal origin.
  • [MeSH-major] Appendectomy. Ovarian Neoplasms / surgery. Ovariectomy
  • [MeSH-minor] Adult. Appendiceal Neoplasms / diagnosis. Appendiceal Neoplasms / secondary. Appendiceal Neoplasms / surgery. Appendix / pathology. Cecal Diseases / complications. Cecal Diseases / diagnosis. Cecal Diseases / surgery. Female. Frozen Sections. Humans. Middle Aged

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  • (PMID = 21099601.001).
  • [ISSN] 1873-233X
  • [Journal-full-title] Obstetrics and gynecology
  • [ISO-abbreviation] Obstet Gynecol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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75. Stewart CJ, Tsukamoto T, Cooke B, Leung YC, Hammond IG: Ovarian mucinous tumour arising in mature cystic teratoma and associated with pseudomyxoma peritonei: report of two cases and comparison with ovarian involvement by low-grade appendiceal mucinous tumour. Pathology; 2006 Dec;38(6):534-8
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  • [Title] Ovarian mucinous tumour arising in mature cystic teratoma and associated with pseudomyxoma peritonei: report of two cases and comparison with ovarian involvement by low-grade appendiceal mucinous tumour.
  • AIMS: It is currently accepted that primary ovarian tumours rarely, if ever, give rise to mucinous ascites/pseudomyxoma peritonei (PMP) which most commonly results from the intra-abdominal spread of an appendiceal mucinous neoplasm.
  • However, primary ovarian mucinous tumours of appendiceal type arising within mature cystic teratomas appear to represent an exception to this rule.
  • In this report two further examples of this rare tumour are described, and the immunohistological phenotype including expression of MUC proteins is compared with secondary ovarian involvement by low-grade appendiceal mucinous neoplasm.
  • METHODS: Two cases of ovarian mucinous tumour associated with mature cystic teratoma and PMP are described.
  • The results were compared with four cases of ovarian neoplasia secondary to primary appendiceal low-grade mucinous tumour.
  • RESULTS: The ovarian mucinous tumours associated with mature cystic teratomas were morphologically similar to those secondary to appendiceal neoplasia.
  • The immunophenotype of the teratoma-associated tumours and those secondary to appendiceal neoplasia was identical: there was strong and diffuse expression of CK20, CEA, CDX-2, MUC2 and MUC5AC with no reactivity for the other antisera tested.
  • CONCLUSIONS: PMP associated with primary ovarian neoplasia is rare, and probably restricted to mucinous tumours arising in mature cystic teratomas.
  • The immunohistological findings in this study further support the view that such tumours exhibit a lower gastrointestinal and, more specifically, appendiceal phenotype.
  • [MeSH-major] Adenocarcinoma, Mucinous / secondary. Appendiceal Neoplasms / pathology. Ovarian Neoplasms / secondary. Peritoneal Neoplasms / pathology. Pseudomyxoma Peritonei / pathology. Teratoma / pathology

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  • (PMID = 17393980.001).
  • [ISSN] 0031-3025
  • [Journal-full-title] Pathology
  • [ISO-abbreviation] Pathology
  • [Language] eng
  • [Publication-type] Case Reports; Comparative Study; Journal Article
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Homeodomain Proteins; 0 / MUC2 protein, human; 0 / MUC5AC protein, human; 0 / Mucin 5AC; 0 / Mucin-2; 0 / Mucins; 0 / Trans-Activators; 156560-97-3 / Cdx-2-3 protein
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76. Stinner B, Rothmund M: Neuroendocrine tumours (carcinoids) of the appendix. Best Pract Res Clin Gastroenterol; 2005 Oct;19(5):729-38
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Neuroendocrine tumours (carcinoids) of the appendix.
  • Neuroendocrine tumours (NETs) of the appendix (formerly 'carcinoids') are rare and are usually detected incidentally after appendectomy.
  • They are preferentially located at the tip of the appendix.
  • Treatment for lesions 1-2 cm is controversial and needs further characterization of the tumour (i.e. mesoappendiceal invasion, vascular invasion, mitotic activity, proliferation markers) and careful patient risk evaluation.
  • Overall prognosis of small appendiceal NET is excellent in all ages.
  • [MeSH-major] Appendectomy / methods. Appendiceal Neoplasms / pathology. Appendiceal Neoplasms / surgery. Carcinoid Tumor / pathology. Carcinoid Tumor / surgery. Neoplasm Invasiveness / pathology
  • [MeSH-minor] Adult. Age Distribution. Aged. Biopsy, Needle. Female. Follow-Up Studies. Humans. Immunohistochemistry. Incidence. Male. Middle Aged. Neoplasm Staging. Risk Assessment. Treatment Outcome

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  • (PMID = 16253897.001).
  • [ISSN] 1521-6918
  • [Journal-full-title] Best practice & research. Clinical gastroenterology
  • [ISO-abbreviation] Best Pract Res Clin Gastroenterol
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article; Review
  • [Publication-country] England
  • [Number-of-references] 32
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77. Topkan E, Polat Y, Karaoglu A: Primary mucinous adenocarcinoma of appendix treated with chemotherapy and radiotherapy: a case report. Tumori; 2008 Jul-Aug;94(4):596-9
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  • [Title] Primary mucinous adenocarcinoma of appendix treated with chemotherapy and radiotherapy: a case report.
  • A rare case of primary appendiceal mucinous adenocarcinoma is reported.
  • An appendectomy was performed resulting in a histological diagnosis of grade 2 mucinous adenocarcinoma of the appendix.
  • Two of the 17 resected lymph nodes were tumor positive but there was no residual tumor in the hemicolectomy specimen.
  • Three cycles of capecitabine 1250 mg/m2 on days 1-14 and oxaliplatin 130 mg/m2 on day 1, every 21 days (CAPOX) were administered, then a total dose of 50.4 Gy external-beam radiation therapy was delivered to the primary tumor region and 45 Gy to the lymphatics, and finally 3 further cycles of the CAPOX regimen were administered.
  • Multimodality treatment was well tolerated by the patient, who is still alive 25 months after the hemicolectomy procedure with no evidence of disease progression.
  • [MeSH-major] Adenocarcinoma, Mucinous / drug therapy. Adenocarcinoma, Mucinous / radiotherapy. Antineoplastic Combined Chemotherapy Protocols / therapeutic use. Appendiceal Neoplasms / drug therapy. Appendiceal Neoplasms / radiotherapy. Colectomy
  • [MeSH-minor] Capecitabine. Chemotherapy, Adjuvant. Deoxycytidine / administration & dosage. Deoxycytidine / analogs & derivatives. Drug Administration Schedule. Fluorouracil / administration & dosage. Fluorouracil / analogs & derivatives. Humans. Lymph Node Excision. Male. Middle Aged. Neoplasm Staging. Organoplatinum Compounds / administration & dosage. Radiotherapy, Adjuvant. Treatment Outcome

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  • (PMID = 18822701.001).
  • [ISSN] 0300-8916
  • [Journal-full-title] Tumori
  • [ISO-abbreviation] Tumori
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Italy
  • [Chemical-registry-number] 0 / Organoplatinum Compounds; 04ZR38536J / oxaliplatin; 0W860991D6 / Deoxycytidine; 6804DJ8Z9U / Capecitabine; U3P01618RT / Fluorouracil
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78. O'Donnell ME, Carson J, Garstin WI: Surgical treatment of malignant carcinoid tumours of the appendix. Int J Clin Pract; 2007 Mar;61(3):431-7
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  • [Title] Surgical treatment of malignant carcinoid tumours of the appendix.
  • Since their first description in 1882, malignant neoplasms of the appendix still remain rare.
  • Malignant carcinoid tumours are the most common accounting for 85% of all appendiceal neoplasms.
  • Preoperative diagnosis is invariably difficult, and precise treatment protocols for these neoplasms remain unclear.
  • Other appendiceal pathologies were identified following hemicolectomy and oophorectomy.
  • However, small CCTs less than 2 cm in diameter at the tip of the appendix, with a low proliferative index, without angiolymphatic or mesoappendiceal extension can be treated by appendicectomy.
  • Following oncological assessment, further adjuvant therapy should be considered for patients with advanced disease.
  • [MeSH-major] Appendectomy / methods. Appendiceal Neoplasms / surgery. Carcinoid Tumor / surgery. Colectomy / methods

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  • (PMID = 16911574.001).
  • [ISSN] 1368-5031
  • [Journal-full-title] International journal of clinical practice
  • [ISO-abbreviation] Int. J. Clin. Pract.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
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79. Schrofer C, Villiger P, Cathomas R: [Multiple primary neoplasms - coincidence or tumor syndrom?]. Praxis (Bern 1994); 2009 Sep 9;98(18):1027-31
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  • [Title] [Multiple primary neoplasms - coincidence or tumor syndrom?].
  • BACKGROUND: Multiple primary neoplasms occur either by hazard or in the context of hereditary cancer syndromes, after chronic toxic exposition, in immunodeficiency or as secondary malignancies after radio- and/or chemotherapy.
  • CASE REPORT: We present the history of an actually asymptomatic female patient with four different malignancies within 30 years: malignant melanoma (1976), liposarcoma (1983), carcinoma of the appendix (2006) and lymphoma (2006).
  • DISCUSSION: There is not only a remarkable variety of malignant tumors but also an extraordinary long survival without recurrence of the generalised malignomas of the skin and soft tissue (malignant melanoma and liposarcoma).
  • It is difficult to explain the entire restitution with the implemented treatments (several tumor resections, chemotherapy with Ifosfamide).
  • [MeSH-major] Adenocarcinoma, Mucinous / diagnosis. Appendiceal Neoplasms / diagnosis. Ileal Neoplasms / diagnosis. Liposarcoma / diagnosis. Lymphoma, Follicular / diagnosis. Melanoma / diagnosis. Neoplasms, Second Primary / diagnosis. Skin Neoplasms / diagnosis. Soft Tissue Neoplasms / diagnosis
  • [MeSH-minor] Aged. Combined Modality Therapy. Female. Humans. Lymph Nodes / pathology. Neoplasm Staging. Syndrome

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  • (PMID = 19739050.001).
  • [ISSN] 1661-8157
  • [Journal-full-title] Praxis
  • [ISO-abbreviation] Praxis (Bern 1994)
  • [Language] ger
  • [Publication-type] Case Reports; English Abstract; Journal Article
  • [Publication-country] Switzerland
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80. Sugarbaker PH: Epithelial appendiceal neoplasms. Cancer J; 2009 May-Jun;15(3):225-35

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Epithelial appendiceal neoplasms.
  • The appendiceal malignancies usually arise within a mucocele.
  • The tumor within this structure can be minimally aggressive or of an invasive character.
  • If a low-grade appendiceal malignancy is removed intact, recurrence does not occur.
  • If rupture of the wall of the mucocele occurs with either low-grade or high-grade disease, the epithelial cells within will disseminate to the peritoneal surfaces.
  • If the diagnosis of peritoneal dissemination of an appendiceal malignancy has been established, a new treatment with curative intent is indicated.
  • In approximately 900 patients treated at the Washington Cancer Institute, the quantitative prognostic indicators for appendiceal cancer with peritoneal dissemination have been determined.
  • Patients with a complete cytoreduction and low-grade tumor have an 80% survival at 20 years; with high-grade tumors, the survival drops to approximately 45%.
  • The extent of malignancy present within the abdomen by the peritoneal cancer index has a significant impact on survival for both high-grade and low-grade disease.
  • The most important indicator is the completeness of cytoreduction; for both high-grade and low-grade disease, all patients with an incomplete cytoreduction have died by 10 years.
  • [MeSH-major] Appendiceal Neoplasms / pathology. Peritoneal Neoplasms / secondary

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  • (PMID = 19556909.001).
  • [ISSN] 1528-9117
  • [Journal-full-title] Cancer journal (Sudbury, Mass.)
  • [ISO-abbreviation] Cancer J
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] United States
  • [Number-of-references] 25
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81. Pretto G, Grando M, Chella N Jr, Bergold RA, de Castro RA, Santiago A: Anesthesia for peritonectomy with hyperthermic intraoperative peritoneal chemotherapy. Case report. Rev Bras Anestesiol; 2010 Sep-Oct;60(5):551-7
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  • BACKGROUND AND OBJECTIVES: Pseudomyxoma peritonei is a rare condition related to epithelial neoplasia of the appendix and ovaries.
  • [MeSH-major] Anesthesia. Hyperthermia, Induced. Intraoperative Care. Peritoneal Neoplasms / therapy. Peritoneum / surgery. Pseudomyxoma Peritonei / therapy

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  • [Copyright] Copyright © 2010 Elsevier Editora Ltda. All rights reserved.
  • (PMID = 20863936.001).
  • [ISSN] 1806-907X
  • [Journal-full-title] Revista brasileira de anestesiologia
  • [ISO-abbreviation] Rev Bras Anestesiol
  • [Language] eng; por
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Brazil
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82. Yantiss RK, Panczykowski A, Misdraji J, Hahn HP, Odze RD, Rennert H, Chen YT: A comprehensive study of nondysplastic and dysplastic serrated polyps of the vermiform appendix. Am J Surg Pathol; 2007 Nov;31(11):1742-53
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] A comprehensive study of nondysplastic and dysplastic serrated polyps of the vermiform appendix.
  • Although similar lesions occur in the appendix, they have never been systematically investigated.
  • We evaluated a study group of 56 serrated polyps, a control group of 17 mucinous cystadenomas, and 4 adenocarcinomas with adjacent serrated polyps of the appendix to better understand their pathogenesis.
  • We conclude that molecular features of the "serrated neoplastic pathway" are present with similar frequencies among dysplastic and nondysplastic serrated appendiceal polyps and are not highly prevalent in adjacent carcinomas.
  • These features, including BRAF mutations, may be more closely related to a serrated morphology in appendiceal polyps rather than biologically important changes.
  • [MeSH-major] Adenocarcinoma / pathology. Adenomatous Polyps / pathology. Appendix / pathology. Cecal Neoplasms / pathology. Cell Transformation, Neoplastic / pathology. Cystadenoma, Mucinous / pathology
  • [MeSH-minor] Adaptor Proteins, Signal Transducing / analysis. Adult. Aged. Aged, 80 and over. Cell Proliferation. DNA Modification Methylases / analysis. DNA Repair Enzymes / analysis. Female. Gene Expression Regulation. Humans. Ki-67 Antigen / analysis. Male. Microsatellite Instability. Middle Aged. Mucous Membrane / pathology. MutS Homolog 2 Protein / analysis. Mutation. Neoplasm Invasiveness. Nuclear Proteins / analysis. Proto-Oncogene Proteins / genetics. Proto-Oncogene Proteins B-raf / genetics. Retrospective Studies. Tumor Suppressor Protein p53 / analysis. Tumor Suppressor Proteins / analysis. beta Catenin / analysis. beta Catenin / genetics. ras Proteins / genetics

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  • [ErratumIn] Am J Surg Pathol. 2008 Jan;32(1):175. Hahn, Hejin P [added]
  • (PMID = 18059232.001).
  • [ISSN] 0147-5185
  • [Journal-full-title] The American journal of surgical pathology
  • [ISO-abbreviation] Am. J. Surg. Pathol.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Adaptor Proteins, Signal Transducing; 0 / CTNNB1 protein, human; 0 / KRAS protein, human; 0 / Ki-67 Antigen; 0 / MLH1 protein, human; 0 / Nuclear Proteins; 0 / Proto-Oncogene Proteins; 0 / TP53 protein, human; 0 / Tumor Suppressor Protein p53; 0 / Tumor Suppressor Proteins; 0 / beta Catenin; EC 2.1.1.- / DNA Modification Methylases; EC 2.1.1.63 / MGMT protein, human; EC 2.7.11.1 / BRAF protein, human; EC 2.7.11.1 / Proto-Oncogene Proteins B-raf; EC 3.6.1.3 / MSH2 protein, human; EC 3.6.1.3 / MutS Homolog 2 Protein; EC 3.6.5.2 / ras Proteins; EC 6.5.1.- / DNA Repair Enzymes
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83. Flatmark K, Reed W, Halvorsen T, Sørensen O, Wiig JN, Larsen SG, Fodstad Ø, Giercksky KE: Pseudomyxoma peritonei--two novel orthotopic mouse models portray the PMCA-I histopathologic subtype. BMC Cancer; 2007;7:116
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • BACKGROUND: Pseudomyxoma peritonei (PMP) is a rare malignant disease, most commonly originating from appendiceal lesions and characterized by accumulation of mucinous tumor tissue in the peritoneal cavity.
  • Since the disease is infrequent, the task of carrying out studies of treatment efficacy and disease biology in the clinical setting is challenging, warranting the development of relevant in vitro and in vivo PMP models.
  • METHODS: Human tumor tissue was implanted in the peritoneal cavity of nude mice to establish two orthotopic models exhibiting noninvasive intraperitoneal growth without metastasis development.
  • RESULTS: Xenograft tissues have retained essential properties of the original human tumors, such as macro- and microscopic growth patterns, mucin production as well as expression of carcinoembryonal antigen, cytokeratins 20 and 7 and the proliferation marker pKi67.
  • Upon microscopic examination, the human tumors were categorized as the PMCA-I (peritoneal mucinous carcinomatosis of intermediate features) subtype, which was conserved through 14 examined passages in mice, for the first time modeling this particular histopathologic category.
  • CONCLUSION: In conclusion, two novel orthotopic models of human PMP have been established that consistently portray a distinct histopathologic subtype and reflect essential human tumor properties.
  • [MeSH-major] Disease Models, Animal. Peritoneal Neoplasms / pathology. Pseudomyxoma Peritonei / pathology
  • [MeSH-minor] Aged, 80 and over. Animals. Carcinoembryonic Antigen / metabolism. Cell Proliferation. Female. Humans. Keratin-20 / metabolism. Keratin-7 / metabolism. Ki-67 Antigen / metabolism. Mice. Mice, Inbred BALB C. Mice, Nude. Middle Aged. Mucins / metabolism. Neoplasm Transplantation. Reproducibility of Results. Time Factors. Transplantation, Heterologous

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  • [Cites] Cancer. 2001 Jul 1;92(1):85-91 [11443613.001]
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  • (PMID = 17603904.001).
  • [ISSN] 1471-2407
  • [Journal-full-title] BMC cancer
  • [ISO-abbreviation] BMC Cancer
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Carcinoembryonic Antigen; 0 / KRT20 protein, human; 0 / KRT7 protein, human; 0 / Keratin-20; 0 / Keratin-7; 0 / Ki-67 Antigen; 0 / Mucins
  • [Other-IDs] NLM/ PMC1920528
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84. Greco L, Papa U: [Mucinous cystoadenocarcinoma of the appendix. A case report]. Ann Ital Chir; 2006 Jul-Aug;77(4):355-8

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] [Mucinous cystoadenocarcinoma of the appendix. A case report].
  • [Transliterated title] Il mucocele maligno dell'appendice vermiforme. Descrizione di un caso.
  • CASE REPORT: The Authors report a case of a 66-years-old male patient with mucinous cystoadenocarcinoma of the appendix.
  • Preoperative diagnosis was appendiceal mucocele.
  • At laparatomy was revealed the presence of a large mass of the appendix involving the caecum.
  • Hystology revealed diagnosis of mucinous cystoadenocarcinoma of the appendix.
  • After two weeks patient underwent right hemicolectomy, he is alive without disease at 36 months follow up.
  • Mucinous cystic neoplasms of the appendix is an uncommon disease that is rarely suspected before surgery.
  • The role of chemotherapy in the treatment of patients with appendiceal cancers remains controversial.
  • All patients with any form of appendiceal tumor appear to have an increased incidence of synchronous and metachronous neoplasms, especially in the gastrointestinal tract, and should be investigated and followed up appropriately.
  • [MeSH-major] Appendiceal Neoplasms. Cystadenocarcinoma, Mucinous

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  • (PMID = 17139968.001).
  • [ISSN] 0003-469X
  • [Journal-full-title] Annali italiani di chirurgia
  • [ISO-abbreviation] Ann Ital Chir
  • [Language] ita
  • [Publication-type] Case Reports; English Abstract; Journal Article
  • [Publication-country] Italy
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85. Cabanas J, Gomes da Silva R, Goldstein P, Verghese M, Sugarbaker PH: Recurrence of pseudomyxoma peritonei within the inguinal canal. Tumori; 2005 Nov-Dec;91(6):481-6
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • AIM AND BACKGROUND: Tumor appearing in an inguinal hernia sac indicates widespread carcinomatosis with ascites.
  • A new onset hernia is a common clinical presentation of pseudomyxoma peritonei syndrome arising in an appendiceal mucinous tumor.
  • We present five patients with a recurrence of pseudomyxoma peritonei tumor nodules in the inguinal region following cytoreductive surgery and attempt to understand the etiology of this treatment failure.
  • METHODS AND STUDY DESIGN: From a database of 910 patients with mucinous appendiceal tumors with peritoneal dissemination who had definitive treatment, five patients who had disease recurrence within the inguinal region were identified.
  • RESULTS: Five patients with ages ranging 39 to 67 years had a mucinous tumor in the inguinal region as a recurrence after a previous cytoreductive surgery combined with perioperative intraperitoneal chemotherapy.
  • All these patients were made disease-free by the reoperative surgery with a sacrifice of the testicle in four.
  • [MeSH-major] Adenocarcinoma, Mucinous. Hernia, Inguinal / etiology. Inguinal Canal. Neoplasm Recurrence, Local. Peritoneal Neoplasms. Pseudomyxoma Peritonei

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  • (PMID = 16457146.001).
  • [ISSN] 0300-8916
  • [Journal-full-title] Tumori
  • [ISO-abbreviation] Tumori
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Italy
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86. Landry CS, Woodall C, Scoggins CR, McMasters KM, Martin RC 2nd: Analysis of 900 appendiceal carcinoid tumors for a proposed predictive staging system. Arch Surg; 2008 Jul;143(7):664-70; discussion 670
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Analysis of 900 appendiceal carcinoid tumors for a proposed predictive staging system.
  • BACKGROUND: Appendiceal carcinoid tumors (ACTs) are rare, and little is known about the long-term prognosis for these tumors because no staging system exists.
  • DESIGN: Retrospective review of 15 983 patients with carcinoid tumors in the Surveillance Epidemiology and End Results (SEER) database from January 1, 1977, to December 31, 2004.
  • PARTICIPANTS: Nine hundred patients with ACTs (552 females and 348 males; mean age, 47.1 years [age range, 9-89 years]; mean size of the primary tumor, 2.4 cm [range, 0.1-11.5 cm]).
  • RESULTS: Lymph node metastasis was found in 137 patients (24%), and distant metastatic disease in 89 patients (10%).
  • At multivariate analysis, patient age, primary tumor size, histologic features, lymph node involvement, and distant metastasis were significant factors predicting survival.
  • A TNM staging system for ACTs will be helpful not only for physician education about factors that affect the outcome with this disease but also to observe trends in prognosis.
  • [MeSH-major] Appendiceal Neoplasms / pathology. Carcinoid Tumor / pathology. Neoplasm Staging

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  • (PMID = 18645109.001).
  • [ISSN] 1538-3644
  • [Journal-full-title] Archives of surgery (Chicago, Ill. : 1960)
  • [ISO-abbreviation] Arch Surg
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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87. Hsu JT, Chen HM, Liao CH, Yeh CN, Yeh TS, Hwang TL, Jan YY, Chen MF: Clinicopathologic features and predictors for survival of mucinous and non-mucinous appendiceal adenocarcinoma. Dig Surg; 2008;25(5):369-75

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Clinicopathologic features and predictors for survival of mucinous and non-mucinous appendiceal adenocarcinoma.
  • BACKGROUND/AIMS: We report a study in patients with mucinous and non-mucinous appendiceal adenocarcinoma treated surgically whose records were examined to elucidate their clinicopathologic features and prognostic factors for survival.
  • METHODS: The medical records of 34 patients with mucinous and non-mucinous appendiceal adenocarcinoma (1991-2005) were retrospectively reviewed.
  • RESULTS: There was no significant difference between mucinous and non-mucinous tumors in patient demographics, clinicopathologic features, type of operation and outcome.
  • Non-mucinous tumors had a higher incidence of leukocytosis than mucinous ones.
  • The overall 5-year survival rate for 34 patients with appendiceal adenocarcinoma was 35.8%.
  • In the univariate analysis, predictors of survival were the type of operation, resectability, carcinomatosis and tumor stage.
  • Tumor stage significantly influenced patient survival in the multivariate analysis.
  • CONCLUSION: Mucinous appendiceal adenocarcinoma had clinicopathologic characteristics and a prognosis similar to non-mucinous, except that there was more leukocytosis in non-mucinous tumors.
  • Tumor stage is an independent predictor for survival among patients with appendiceal adenocarcinoma.
  • [MeSH-major] Adenocarcinoma, Mucinous / pathology. Appendiceal Neoplasms / pathology
  • [MeSH-minor] Adenocarcinoma / pathology. Adult. Aged. Aged, 80 and over. Analysis of Variance. Antineoplastic Combined Chemotherapy Protocols / therapeutic use. Appendectomy / methods. Biopsy. Chemotherapy, Adjuvant. Female. Follow-Up Studies. Humans. Male. Medical Records. Middle Aged. Multivariate Analysis. Neoplasm Staging. Postoperative Care. Predictive Value of Tests. Prognosis. Retrospective Studies. Risk Factors. Survival Analysis

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  • (PMID = 19005255.001).
  • [ISSN] 1421-9883
  • [Journal-full-title] Digestive surgery
  • [ISO-abbreviation] Dig Surg
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Switzerland
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88. Lin YG, Deavers M, Sasan F, Zager JS, Ramondetta LM: Clinical challenges presented by three simultaneous solid tumors. Gynecol Oncol; 2006 Dec;103(3):1159-63
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Clinical challenges presented by three simultaneous solid tumors.
  • BACKGROUND: Simultaneous tumors are rare, and their management can be challenging.
  • The simultaneous presentation of cervical carcinoma, renal cell carcinoma, and appendiceal carcinoma has not been previously described.
  • During her workup, she was diagnosed with mucinous appendiceal carcinoma and clear cell carcinoma of the kidney.
  • One year following surgery, she remains without evidence of disease and with continually improving nutritional status.
  • CONCLUSION: When simultaneous tumors are diagnosed, optimal care requires the creative expertise of a multidisciplinary team.
  • Standard sequential therapies may be problematic in patients undergoing major surgery to treat another primary tumor, and sequential treatment delays rather than combining therapies can jeopardize cure.
  • [MeSH-major] Neoplasms, Multiple Primary / diagnosis
  • [MeSH-minor] Adenocarcinoma, Clear Cell / diagnosis. Adenocarcinoma, Clear Cell / pathology. Adenocarcinoma, Clear Cell / therapy. Adenocarcinoma, Mucinous / diagnosis. Adenocarcinoma, Mucinous / pathology. Adenocarcinoma, Mucinous / therapy. Appendiceal Neoplasms / diagnosis. Appendiceal Neoplasms / pathology. Appendiceal Neoplasms / therapy. Carcinoma, Squamous Cell / diagnosis. Carcinoma, Squamous Cell / pathology. Carcinoma, Squamous Cell / therapy. Combined Modality Therapy. Diagnosis, Differential. Female. Humans. Kidney Neoplasms / diagnosis. Kidney Neoplasms / pathology. Kidney Neoplasms / therapy. Middle Aged. Neoplasm Staging. Uterine Cervical Neoplasms / diagnosis. Uterine Cervical Neoplasms / pathology. Uterine Cervical Neoplasms / therapy

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  • (PMID = 17055558.001).
  • [ISSN] 0090-8258
  • [Journal-full-title] Gynecologic oncology
  • [ISO-abbreviation] Gynecol. Oncol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article; Research Support, N.I.H., Extramural
  • [Publication-country] United States
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89. Bamboat ZM, Berger DL: Is right hemicolectomy for 2.0-cm appendiceal carcinoids justified? Arch Surg; 2006 Apr;141(4):349-52; discussion 352
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  • [Title] Is right hemicolectomy for 2.0-cm appendiceal carcinoids justified?
  • HYPOTHESIS: We believe right hemicolectomy (RHC) is not necessary in patients with an appendiceal carcinoid greater than 2.0 cm.
  • DESIGN: A retrospective review of patients with a histologically confirmed appendiceal carcinoid from April 1, 1980, to February 28, 2005, and an analysis of the literature.
  • PATIENTS: Forty-eight patients (34 females and 14 males) with a histologically confirmed diagnosis of appendiceal carcinoid were included in the study.
  • Appendiceal carcinoid was diagnosed incidentally in all 48 patients.
  • Postoperative follow-up and disease-free survival were confirmed in 33 patients via medical record review.
  • MAIN OUTCOME MEASURES: We assessed the relationship between survival, tumor size, and the role of RHC vs appendectomy alone.
  • RESULTS: Four patients in our series underwent secondary RHC and lymph node dissection for tumors greater than 2.0 cm, and none had positive lymph nodes.
  • CONCLUSION: Appendiceal carcinoids greater than 2.0 cm can be managed effectively with simple appendectomy, given their low malignant potential and slow growth, obviating the need for RHC in this group of patients without affecting overall survival.
  • [MeSH-major] Appendiceal Neoplasms / surgery. Carcinoid Tumor / surgery. Colectomy / methods
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. Appendectomy. Child. Female. Humans. Male. Middle Aged. Neoplasm Recurrence, Local. Postoperative Complications. Retrospective Studies. Survival Analysis. Treatment Outcome

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  • (PMID = 16618891.001).
  • [ISSN] 0004-0010
  • [Journal-full-title] Archives of surgery (Chicago, Ill. : 1960)
  • [ISO-abbreviation] Arch Surg
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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90. Kim KJ, Moon W, Park MI, Park SJ, Lee SH, Chun BK: Gastrointestinal stromal tumor of appendix incidentally diagnosed by appendiceal hemorrhage. World J Gastroenterol; 2007 Jun 21;13(23):3265-7
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Gastrointestinal stromal tumor of appendix incidentally diagnosed by appendiceal hemorrhage.
  • Gastrointestinal stromal tumor is rare, which arises from the mesenchymal tissues in the gastrointestinal tract, and it is extremely rare in the appendix.
  • Although the annual incidence of lower gastrointestinal bleeding has been increasing, bleeding related to the appendix is quite rare.
  • We herein present a very rare case of gastrointestinal stromal tumor incidentally found by appendiceal hemorrhage.
  • [MeSH-major] Appendiceal Neoplasms / diagnosis. Cecal Diseases / etiology. Gastrointestinal Hemorrhage / etiology. Gastrointestinal Stromal Tumors / diagnosis

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  • (PMID = 17589911.001).
  • [ISSN] 1007-9327
  • [Journal-full-title] World journal of gastroenterology
  • [ISO-abbreviation] World J. Gastroenterol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] China
  • [Other-IDs] NLM/ PMC4436618
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91. Sugarbaker PH: Peritoneal surface oncology: review of a personal experience with colorectal and appendiceal malignancy. Tech Coloproctol; 2005 Jul;9(2):95-103
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  • [Title] Peritoneal surface oncology: review of a personal experience with colorectal and appendiceal malignancy.
  • In a series of phase II studies, appendiceal tumors with peritoneal seeding became the paradigm for success with an 85% long-term survival in selected patients.
  • [MeSH-major] Appendiceal Neoplasms / pathology. Colorectal Neoplasms / pathology. Peritoneal Neoplasms / secondary
  • [MeSH-minor] Ascites / etiology. Ascites / therapy. Humans. Neoplasm Invasiveness. Palliative Care. Prognosis

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  • (PMID = 16007367.001).
  • [ISSN] 1123-6337
  • [Journal-full-title] Techniques in coloproctology
  • [ISO-abbreviation] Tech Coloproctol
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] Italy
  • [Number-of-references] 27
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92. Yan TD, Bijelic L, Sugarbaker PH: Critical analysis of treatment failure after complete cytoreductive surgery and perioperative intraperitoneal chemotherapy for peritoneal dissemination from appendiceal mucinous neoplasms. Ann Surg Oncol; 2007 Aug;14(8):2289-99
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Critical analysis of treatment failure after complete cytoreductive surgery and perioperative intraperitoneal chemotherapy for peritoneal dissemination from appendiceal mucinous neoplasms.
  • The objective of this data analysis was to study treatment failure after complete cytoreduction for peritoneal dissemination from appendiceal mucinous neoplasms.
  • METHODS: Before June 2006, a total of 402 patients with peritoneal dissemination from appendiceal mucinous neoplasms underwent complete cytoreduction and PIC at the Washington Cancer Institute.
  • Disease progression was the only independent risk factor for a reduced overall survival.
  • One hundred eleven patients (28%) developed progressive disease.
  • CONCLUSIONS: The present study reported the patterns of treatment failure after complete cytoreduction and demonstrated that a disease-free state is important for long-term survival in peritoneal dissemination from appendiceal mucinous neoplasms.
  • Repeat complete cytoreduction should be pursued when possible and is associated with improved overall survival in patients with recurrent disease.
  • [MeSH-major] Adenocarcinoma, Mucinous / secondary. Appendiceal Neoplasms / surgery. Neoplasm Recurrence, Local. Peritoneal Neoplasms / pathology. Peritoneal Neoplasms / secondary

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  • [CommentIn] Ann Surg Oncol. 2007 Sep;14(9):2440-2 [17710499.001]
  • (PMID = 17541772.001).
  • [ISSN] 1068-9265
  • [Journal-full-title] Annals of surgical oncology
  • [ISO-abbreviation] Ann. Surg. Oncol.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antibiotics, Antineoplastic; 0 / Antimetabolites, Antineoplastic; 50SG953SK6 / Mitomycin; U3P01618RT / Fluorouracil
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93. Liu E, Telem DA, Hwang J, Warner RR, Dikman A, Divino CM: The clinical utility of Ki-67 in assessing tumor biology and aggressiveness in patients with appendiceal carcinoids. J Surg Oncol; 2010 Sep 15;102(4):338-41
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] The clinical utility of Ki-67 in assessing tumor biology and aggressiveness in patients with appendiceal carcinoids.
  • BACKGROUND/OBJECTIVE: To elucidate the correlation of Ki-67 with tumor biology and survival in appendiceal carcinoid tumors.
  • METHOD: A retrospective chart review conducted on 51 patients with appendiceal carcinoid tumors who underwent surgical intervention from 1991 to 2008.
  • RESULT: Of the 51 patients, 32 had tumors <2 cm; 3 >2 cm; and 16 with unspecified tumor size.
  • Increased MIB proliferative index did not significantly correlate with increasing tumor size (P = 0.426).
  • Twelve patients had metastatic disease on presentation: 9 had MIB-1 index <2%, 1 had index 2-15% and 2 with index >15%.
  • No correlation was demonstrated by MIB index and tumor size or presentation with metastatic disease.
  • [MeSH-major] Appendiceal Neoplasms / pathology. Carcinoid Tumor / pathology. Ki-67 Antigen / analysis
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Female. Follow-Up Studies. Humans. Male. Middle Aged. Neoplasm Invasiveness

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  • [Copyright] (c) 2010 Wiley-Liss, Inc.
  • (PMID = 20607756.001).
  • [ISSN] 1096-9098
  • [Journal-full-title] Journal of surgical oncology
  • [ISO-abbreviation] J Surg Oncol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Ki-67 Antigen
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94. Avcu S, Ozen O, Bulut MD, Bora A: Hepatic metastases of primary jejunal carcinoid tumor: A case report with radiological findings. N Am J Med Sci; 2009 Nov;1(6):305-8

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Hepatic metastases of primary jejunal carcinoid tumor: A case report with radiological findings.
  • CONTEXT: Carcinoid tumors represent a group of well-differentiated tumors originating from the diffuse endocrine system outside the pancreas and thyroid.
  • The overall prevalence of carcinoid tumors in the United States is estimated to be one to two cases per 100,000 persons.
  • Various sites of origin of this neoplasm are appendix - 30-45%, small bowel - 25-35% (duodenum 2%, jejunum 7%, ileum 91%, multiple sites 15-35%), rectum 10-15%, caecum - 5%, and stomach - 0.5%.
  • CASE REPORT: Here we report a case of primary jejunal carcinoid tumor in a 66-year-old woman metastasizing to liver with ultrasonography, computed tomography, and diffusion-weighted magnetic resonance imaging (DWI) findings.
  • CONCLUSION: Primary jejunal carcinoid tumor is a rare entity.
  • DWI can help in the differential diagnosis of hepatic hypervascular metastatic mass lesions from benign ones, as well as in the diagnosis of carcinoid tumor.

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  • (PMID = 22666712.001).
  • [ISSN] 2250-1541
  • [Journal-full-title] North American journal of medical sciences
  • [ISO-abbreviation] N Am J Med Sci
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] India
  • [Other-IDs] NLM/ PMC3364631
  • [Keywords] NOTNLM ; Carcinoid / diffusion weighted MRI / jejunum / metastases / small bowel
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95. Avenel P, McKendrick A, Silapaswan S, Kolachalam R, Kestenberg W, Ferguson L, Jacobs MJ, Goriel Y, Mittal V: Gastrointestinal carcinoids: an increasing incidence of rectal distribution. Am Surg; 2010 Jul;76(7):759-63
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • Carcinoid tumors are slow-growing and usually become symptomatic late in the course of the disease.
  • We evaluated our 10-year experience in the management of GI carcinoid tumors.
  • The rectum was the most common site for carcinoid tumors with an incidence of 30 per cent followed by jejunoileal at 29.3 per cent.
  • Other sites of carcinoid tumors were the appendix (8.3%), colon (8.3%), and duodenum (3.8%).
  • CT was not helpful in preoperative diagnosis of carcinoid tumor.
  • Fifteen patients died in follow-up with eight deaths related to carcinoid tumors, in the small bowel (6), rectum (1), and colon (1).
  • Overall survival was 68.7 per cent and mortality rate was 19.5 per cent from carcinoid tumors.
  • Most of the deaths occurred in patients with carcinoid syndrome, synchronous malignancy, and malignant carcinoid tumors.
  • The mean disease-free survival was 51 months (range, 15 to 138 months).
  • Screening colonoscopy, in addition to decreasing colorectal adenocarcinoma mortality, is useful in diagnosing carcinoid tumors at an earlier stage and in decreasing mortality from malignant colorectal carcinoid tumors.
  • [MeSH-major] Carcinoid Tumor / surgery. Gastrointestinal Neoplasms / surgery. Rectal Neoplasms / surgery

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  • (PMID = 20698387.001).
  • [ISSN] 0003-1348
  • [Journal-full-title] The American surgeon
  • [ISO-abbreviation] Am Surg
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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96. Nikolaou A, Thomas D, Kampanellou C, Alexandraki K, Andersson LG, Sundin A, Kaltsas G: The value of 11C-5-hydroxy-tryptophan positron emission tomography in neuroendocrine tumor diagnosis and management: experience from one center. J Endocrinol Invest; 2010 Dec;33(11):794-9
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  • [Title] The value of 11C-5-hydroxy-tryptophan positron emission tomography in neuroendocrine tumor diagnosis and management: experience from one center.
  • Many neuroendocrine tumors (NET) are small and may escape localization by conventional imaging techniques.
  • 1) detect the primary tumor lesion in three patients;.
  • 2) detect residual disease in two patients with appendiceal carcinoid, one with rectal carcinoid, one with midgut carcinoid, and one with ectopic ACTH secretion (EAS) due to residual pulmonary carcinoid; and 3) restage a patient with medullary thyroid carcinoma (MTC) and hepatic metastases.
  • The 11C-5-HTP-PET/CT findings contributed to radical cure of the patient with recurrent EAS, and pointed towards bilateral adrenalectomy in the patient with EAS without evident primary tumor.
  • 11C-5-HTP-PET/CT is a useful imaging technique, providing additional information for the diagnosis, staging and decision-making regarding management of patients with NET.
  • [MeSH-major] 5-Hydroxytryptophan. Carbon Radioisotopes. Neuroendocrine Tumors / radionuclide imaging. Radiopharmaceuticals
  • [MeSH-minor] ACTH Syndrome, Ectopic / radionuclide imaging. Adult. Carcinoid Tumor / radionuclide imaging. Female. Humans. Male. Middle Aged. Neoplasm, Residual / radionuclide imaging. Positron-Emission Tomography / methods

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  • (PMID = 20332708.001).
  • [ISSN] 1720-8386
  • [Journal-full-title] Journal of endocrinological investigation
  • [ISO-abbreviation] J. Endocrinol. Invest.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Italy
  • [Chemical-registry-number] 0 / Carbon Radioisotopes; 0 / Radiopharmaceuticals; C1LJO185Q9 / 5-Hydroxytryptophan
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97. Diaz JP, Tew WP, Zivanovic O, Konner J, Sabbatini PJ, dos Santos LA, Abu-Rustum NR, Chi DS, Aghajanian C, Barakat RR: Incidence and management of bevacizumab-associated gastrointestinal perforations in patients with recurrent ovarian carcinoma. Gynecol Oncol; 2010 Mar;116(3):335-9
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  • The median time from the last bevacizumab dose to diagnosis of GI perforation was 13 days (range, 1-28 days).
  • At laparotomy, one had a gastric perforation and one had an appendiceal perforation; the site of perforation could not be identified in the other 2 Two patients (33%) were managed conservatively-one with a PEG tube and the other with supportive care.
  • The median time of death from the date of diagnosis of GI perforation was 27 days (range, 4-326 days).
  • Only two patients-one with a gastric and the other with an appendiceal perforation-survived >65 days.
  • [MeSH-major] Antibodies, Monoclonal / adverse effects. Intestinal Perforation / chemically induced. Intestinal Perforation / therapy. Neoplasm Recurrence, Local / drug therapy. Ovarian Neoplasms / drug therapy

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  • (PMID = 20004956.001).
  • [ISSN] 1095-6859
  • [Journal-full-title] Gynecologic oncology
  • [ISO-abbreviation] Gynecol. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antibodies, Monoclonal; 0 / Antibodies, Monoclonal, Humanized; 2S9ZZM9Q9V / Bevacizumab
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98. Gatalica Z, Foster JM, Loggie BW: Low grade peritoneal mucinous carcinomatosis associated with human papilloma virus infection: case report. Croat Med J; 2008 Oct;49(5):669-73

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • Pseudomyxoma peritonei is a clinical syndrome characterized by peritoneal dissemination of a mucinous tumor with mucinous ascites.
  • The vast majority of the pseudomyxoma peritonei are associated with mucinous neoplasms of the appendix.
  • No other primary mucinous tumor was identified and peritoneal carcinomatosis tested positive for high-risk human papilloma virus (HPV), showing both integrated and episomal pattern.
  • [MeSH-major] Adenocarcinoma, Mucinous / diagnosis. Papillomavirus Infections / complications. Peritoneal Neoplasms / diagnosis. Pseudomyxoma Peritonei / diagnosis. Pseudomyxoma Peritonei / etiology. Tumor Virus Infections / complications
  • [MeSH-minor] Adenocarcinoma / surgery. Female. Human papillomavirus 11. Human papillomavirus 16. Human papillomavirus 6. Humans. Middle Aged. Uterine Cervical Neoplasms / surgery

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  • (PMID = 18925701.001).
  • [ISSN] 1332-8166
  • [Journal-full-title] Croatian medical journal
  • [ISO-abbreviation] Croat. Med. J.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Croatia
  • [Other-IDs] NLM/ PMC2582360
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99. Alsaad KO, Serra S, Perren A, Hsieh E, Chetty R: CK19 and CD99 immunoexpression profile in goblet cell (mucin-producing neuroendocrine tumors) and classical carcinoids of the vermiform appendix. Int J Surg Pathol; 2007 Jul;15(3):252-7
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  • [Title] CK19 and CD99 immunoexpression profile in goblet cell (mucin-producing neuroendocrine tumors) and classical carcinoids of the vermiform appendix.
  • The immunoexpression of CK19 recently has been identified as a marker of poor prognosis in pancreatic endocrine tumors and hepatocellular carcinoma.
  • The purpose of this study was to explore CK19 and CD99 immunostaining in mucin-producing neuroendocrine (goblet cell) and classical carcinoids of the appendix.
  • CK19/CD99 immunoexpression did not correlate with extent of tumor invasion and mesoappendiceal extension, mitotic activity, Ki-67 labeling index, presence of extracellular mucinous pools dissecting muscle, and angiolymphatic and perineural/neural invasion.
  • There is no difference in the immunostaining for CK19 and CD99 between GCCs and classic carcinoids, and both types of neuroendocrine tumor show the same extent of expression of both markers.
  • [MeSH-major] Antigens, CD / metabolism. Appendiceal Neoplasms / metabolism. Carcinoid Tumor / metabolism. Cell Adhesion Molecules / metabolism. Keratin-19 / metabolism
  • [MeSH-minor] Biomarkers, Tumor / metabolism. Cell Proliferation. Gene Expression Regulation, Neoplastic. Humans. Neoplasm Invasiveness / pathology

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  • (PMID = 17652531.001).
  • [ISSN] 1066-8969
  • [Journal-full-title] International journal of surgical pathology
  • [ISO-abbreviation] Int. J. Surg. Pathol.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antigens, CD; 0 / Biomarkers, Tumor; 0 / CD99 protein, human; 0 / Cell Adhesion Molecules; 0 / Keratin-19
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100. Manan AZ, Raja MH, Namukangula R, Benayan AA: Appendiceal pseudomyxoma peritonei in a pregnant woman. Saudi Med J; 2010 May;31(5):572-4
MedlinePlus Health Information. consumer health - Tumors and Pregnancy.

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Appendiceal pseudomyxoma peritonei in a pregnant woman.
  • Epithelial tumors of the appendix occur in approximately 1% of all colorectal tumors, and the occurrence of this neoplasm during pregnancy is extremely rare.
  • Cesarean section was carried out, and the abdomen was found to contain an appendiceal mucinous tumor with large volume PMP.
  • This case illustrates the incidental nature of the disease and its occurrence in a pregnant woman with no clinical features during the antenatal period.
  • Pseudomyxoma peritonei is commonly discovered during surgery for other conditions, and a high index of suspicion is required to make a diagnosis.
  • Diagnostic modalities such as ultrasound, CT, and MRI can provide some evidence for PMP, but the definitive diagnosis is only made laparoscopically or by exploratory laparotomy.
  • [MeSH-major] Appendiceal Neoplasms / surgery. Peritoneal Neoplasms / surgery. Pregnancy Complications, Neoplastic / surgery. Pseudomyxoma Peritonei / surgery
  • [MeSH-minor] Adult. Cesarean Section. Diagnosis, Differential. Female. Humans. Pregnancy. Pregnancy Outcome

  • Genetic Alliance. consumer health - Pseudomyxoma peritonei.
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  • (PMID = 20464051.001).
  • [ISSN] 0379-5284
  • [Journal-full-title] Saudi medical journal
  • [ISO-abbreviation] Saudi Med J
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article; Review
  • [Publication-country] Saudi Arabia
  • [Number-of-references] 12
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