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1. 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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  • [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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2. Iwańczak B, Stawarski A, Czernik J, Bronowickip K, Iwańczak F, Pytrus T, Klempous J, Godziński J: [Diagnostic difficulties in pediatric abdominal pain with potential appendicitis]. Przegl Lek; 2007;64 Suppl 3:56-60
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  • [Transliterated title] Trudności diagnostyczne przyczyn bólów brzucha okolicy wyrostka robaczkowego u dzieci.
  • RESULTS: The most often Crohn's disease were recognized (9 children), in 2 cases with concomitant other pathologies (fecal tumor of appendix in one case and with peritoneal abscess after perforation of intestinal wall).
  • In one boy with ulcerative colitis, during exacerbation of the disease appendicitis complicated by rupture and peritonitis was observed.
  • Carcinoid of the appendix was the cause of abdominal pain in one child.
  • 3. All children with periappendipected of Crohn's disease.
  • 4. All children with equivocal presentations of appendicitis and with normal appendix during operation should undergo further diagnostic evaluation.
  • [MeSH-major] Abdominal Pain / etiology. Appendicitis / diagnosis
  • [MeSH-minor] Adolescent. Child. Child, Preschool. Diagnosis, Differential. Female. Humans. Infant. Male

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  • (PMID = 18431916.001).
  • [ISSN] 0033-2240
  • [Journal-full-title] Przegla̧d lekarski
  • [ISO-abbreviation] Prz. Lek.
  • [Language] pol
  • [Publication-type] English Abstract; Journal Article
  • [Publication-country] Poland
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3. 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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4. Mattavelli F, Collini P, Pizzi N, Gervasoni C, Pennacchioli E, Mazzaferro V, Thyroid Cancer Study Group of INT Milan: Thyroid as a target of metastases. A case of foregut neuroendocrine carcinoma with multiple abdominal metastases and a thyroid localization after 21 years. Tumori; 2008 Jan-Feb;94(1):110-3
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  • In case of thyroid metastases, the site of the primary tumor is most often the breast, lung or kidney.
  • A thyroid metastasis from a foregut neuroendocrine tumor is very unusual and requires a differential diagnosis with primary neuroendocrine tumor of the gland itself, i.e., a medullary thyroid carcinoma.
  • [MeSH-major] Appendiceal Neoplasms / pathology. Carcinoma, Neuroendocrine / secondary. Liver Neoplasms / secondary. Neoplasms, Multiple Primary / pathology. Thyroid Neoplasms / secondary
  • [MeSH-minor] Adult. Biomarkers, Tumor / analysis. Diagnosis, Differential. Female. Humans. Lymphatic Metastasis. Neoplasm Recurrence, Local / etiology

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  • (PMID = 18468344.001).
  • [ISSN] 0300-8916
  • [Journal-full-title] Tumori
  • [ISO-abbreviation] Tumori
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor
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5. Lepistö A, Osterlund P, Järvinen HJ: [Treatment of pseudomyxoma peritonei is developing]. Duodecim; 2010;126(14):1693-9
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  • In pseudomyxoma peritonei a mucinous tumor of the appendix spreads into the abdominal cavity.
  • Cytologic picture of the tumor may be benign, malignant or intermediary.
  • The symptoms were previously relieved by repeated resections of the tumor mass, whereby even the most benign form of the disease progressed slowly.
  • [MeSH-major] Peritoneal Neoplasms / drug therapy. Peritoneal Neoplasms / surgery. Pseudomyxoma Peritonei / drug therapy. Pseudomyxoma Peritonei / surgery
  • [MeSH-minor] Antineoplastic Agents / administration & dosage. Appendix / pathology. Combined Modality Therapy. Disease Progression. Humans. Neoplasm Invasiveness. Therapeutic Irrigation / methods

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  • (PMID = 20804088.001).
  • [ISSN] 0012-7183
  • [Journal-full-title] Duodecim; lääketieteellinen aikakauskirja
  • [ISO-abbreviation] Duodecim
  • [Language] fin
  • [Publication-type] English Abstract; Journal Article; Review
  • [Publication-country] Finland
  • [Chemical-registry-number] 0 / Antineoplastic Agents
  • [Number-of-references] 22
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6. 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
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  • [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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7. 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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8. Chen CF, Huang CJ, Kang WY, Hsieh JS: Experience with adjuvant chemotherapy for pseudomyxoma peritonei secondary to mucinous adenocarcinoma of the appendix with oxaliplatin/fluorouracil/leucovorin (FOLFOX4). World J Surg Oncol; 2008;6:118
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  • [Title] Experience with adjuvant chemotherapy for pseudomyxoma peritonei secondary to mucinous adenocarcinoma of the appendix with oxaliplatin/fluorouracil/leucovorin (FOLFOX4).
  • BACKGROUND: Pseudomyxoma peritonei (PMP) is a rare condition characterized by mucinous tumors, disseminated intra-peritoneal implants, and mucinous ascites.
  • So far its diagnosis remains challenging to most clinicians.
  • There was a lot of mucinous ascites, one appendiceal tumor and multiple peritoneal implants disseminated from the subphrenic space to the recto-vesicle pouch.
  • Pseudomyxoma Peritonei caused by mucinous adenocarcinoma of appendiceal origin, was confirmed by histopathology.
  • We performed an excision of the appendiceal tumor combined with copious irrigation and debridement.
  • [MeSH-major] Adenocarcinoma, Mucinous / drug therapy. Antineoplastic Combined Chemotherapy Protocols / therapeutic use. Appendiceal Neoplasms / drug therapy. Peritoneal Neoplasms / drug therapy. Pseudomyxoma Peritonei / drug therapy

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  • (PMID = 19014441.001).
  • [ISSN] 1477-7819
  • [Journal-full-title] World journal of surgical oncology
  • [ISO-abbreviation] World J Surg Oncol
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Organoplatinum Compounds; 04ZR38536J / oxaliplatin; Q573I9DVLP / Leucovorin; U3P01618RT / Fluorouracil
  • [Other-IDs] NLM/ PMC2615010
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9. 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


10. Kinkor Z, Michal M: [Syndrome of pseudomyxoma peritonei--description of three cases and survey of the problem]. Ceska Gynekol; 2005 Jan;70(1):67-72
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • First and more frequent, so-called disseminated peritoneal adenomucinosis, where primary low grade (benign) mucinous appendiceal tumor is almost constant finding, often recurs but displays favorable prognosis.
  • A normal macroscopic finding on appendix or "uneventful" appendectomy in anamnesis is not unusual.

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  • (PMID = 15779299.001).
  • [ISSN] 1210-7832
  • [Journal-full-title] Ceska gynekologie
  • [ISO-abbreviation] Ceska Gynekol
  • [Language] CZE
  • [Publication-type] Case Reports; English Abstract; Journal Article
  • [Publication-country] Czech Republic
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11. Deschamps L, Couvelard A: Endocrine tumors of the appendix: a pathologic review. Arch Pathol Lab Med; 2010 Jun;134(6):871-5
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Endocrine tumors of the appendix: a pathologic review.
  • CONTEXT: Although rare, appendiceal endocrine tumors are the most common neoplasms of the appendix.
  • OBJECTIVE: To provide recent data that focus on the pathology of endocrine tumors of the appendix including classifications and guidelines for patient management.
  • CONCLUSIONS: Appendiceal endocrine tumors are separated into 2 main groups: classic endocrine tumors and goblet cell carcinoids.
  • Evaluation of their prognoses and risks of malignancy, according to these classifications, depends on several parameters including tumor size, proliferation rate, and infiltration of appendiceal wall and mesoappendix.
  • Most patients with classic endocrine tumors of the appendix have a favorable prognosis.
  • Indications for postappendectomy, complementary surgery, which are still controversial, especially for tumors between 1 and 2 cm, are presented and discussed.
  • [MeSH-major] Appendiceal Neoplasms / pathology. Carcinoma, Neuroendocrine / pathology
  • [MeSH-minor] Appendectomy. Carcinoid Tumor / classification. Carcinoid Tumor / diagnosis. Carcinoid Tumor / pathology. Colectomy. Humans. Prognosis. World Health Organization

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  • (PMID = 20524865.001).
  • [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
  • [Number-of-references] 41
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12. 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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13. 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
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  • [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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14. Wu CL, Yu CC: Amyand's hernia with adenocarcinoid tumor. Hernia; 2010 Aug;14(4):423-5
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [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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15. Decoster L, Stroobants S, Verbeken E, Nackaerts K, Vansteenkiste J: An unexpected abdominal 18F-fluorodeoxyglucose (FDG) uptake on positron emission tomography (PET) in a patient with limited stage small cell lung cancer. J Thorac Oncol; 2008 Feb;3(2):174-6
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  • The patient was treated for presumed very limited disease SCLC, with resection, adjuvant chemotherapy, and prophylactic brain irradiation.
  • [MeSH-major] Appendiceal Neoplasms / radionuclide imaging. Carcinoma, Small Cell / radionuclide imaging. Diagnostic Errors / prevention & control. Lung Neoplasms / pathology. Positron-Emission Tomography / methods. Tomography, X-Ray Computed / methods
  • [MeSH-minor] Fluorodeoxyglucose F18. Humans. Male. Middle Aged. Neoplasm Staging. Radiopharmaceuticals

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  • (PMID = 18303440.001).
  • [ISSN] 1556-1380
  • [Journal-full-title] Journal of thoracic oncology : official publication of the International Association for the Study of Lung Cancer
  • [ISO-abbreviation] J Thorac Oncol
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Radiopharmaceuticals; 0Z5B2CJX4D / Fluorodeoxyglucose F18
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16. 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


17. Mandal S, Kawatra V, Khurana N: Mucinous cystadenocarcinoma arising in mature cystic teratoma ovary and associated pseudomyxoma peritonei: report of a case. Arch Gynecol Obstet; 2008 Sep;278(3):265-7
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  • Pseudomyxoma peritonei (PMP) is most commonly associated with intra-abdominal spread of an appendiceal mucinous neoplasm and very rarely seen in cases of primary ovarian tumours.
  • [MeSH-major] Cystadenocarcinoma, Mucinous / pathology. Ovarian Neoplasms / pathology. Peritoneal Neoplasms / pathology. Pseudomyxoma Peritonei / pathology. Teratoma / pathology

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  • (PMID = 18293005.001).
  • [ISSN] 1432-0711
  • [Journal-full-title] Archives of gynecology and obstetrics
  • [ISO-abbreviation] Arch. Gynecol. Obstet.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Germany
  • [Chemical-registry-number] 0 / CA-125 Antigen
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18. Encinas JL, Avila LF, García-Cabeza MA, Luis A, Hernández F, Martínez L, Fernández A, Olivares P, Tovar JA: [Bronchial and appendiceal carcinoid tumors]. An Pediatr (Barc); 2006 May;64(5):474-7
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  • [Title] [Bronchial and appendiceal carcinoid tumors].
  • [Transliterated title] Tumor carcinoide bronquial y apendicular.
  • BACKGROUND: Carcinoid tumor (CT) is an unusual neoplasm observed in several locations and associated with the production of vasoactive substances and occasionally with carcinoid syndrome (flushing, diarrhea, wheezing).
  • PATIENTS AND METHODS: A retrospective review of the medial records of all children with a diagnosis of CT treated in our service between 1966 and 2003 was performed.
  • Eight had CT of the appendix, of which 4 showed the typical clinical presentation of acute appendicitis.
  • Seven of these tumors were localized at the tip of the appendix and measured 2 cm or less.
  • In one patient, the tumor was located at the cecum and measured 3.5 cm.
  • In this patient, reoperation with ileocecal resection was performed.
  • An accurate diagnosis was made after a 1-year follow-up.
  • All the patients are currently disease-free.
  • CONCLUSIONS: Typical symptoms of acute appendicitis were not observed in half of patients with CT of the appendix.
  • In most CT of the appendix, simple appendicectomy was associated with an excellent prognosis.
  • Diagnosis of bronchial TC tends to be delayed and consequently CT should be considered in the differential diagnosis of children with respiratory symptoms unresponsive to standard medical treatment.
  • [MeSH-major] Appendiceal Neoplasms / diagnosis. Bronchial Neoplasms / diagnosis. Carcinoid Tumor / diagnosis

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  • (PMID = 16756890.001).
  • [ISSN] 1695-4033
  • [Journal-full-title] Anales de pediatría (Barcelona, Spain : 2003)
  • [ISO-abbreviation] An Pediatr (Barc)
  • [Language] spa
  • [Publication-type] English Abstract; Journal Article
  • [Publication-country] Spain
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19. 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


20. Smeenk RM, Verwaal VJ, Antonini N, Zoetmulder FA: Survival analysis of pseudomyxoma peritonei patients treated by cytoreductive surgery and hyperthermic intraperitoneal chemotherapy. Ann Surg; 2007 Jan;245(1):104-9
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  • SUMMARY BACKGROUND DATA: PMP is a clinical syndrome characterized by progressive intraperitoneal accumulation of mucous and mucinous implants, usually derived from a ruptured mucinous neoplasm of the appendix.
  • The median disease-free interval was 25.6 months (95% confidence interval [CI], 14.8-43.6 months).
  • The 3-year and 5-year disease-free survival probability was 43.6% (95% CI, 34.4%-55.2%) and 37.4% (95% CI, 28.2%-49.5%), respectively.
  • The disease-specific 3-year and 5-year survival probability was 70.9% (95% CI, 62.0%-81.2%) and 59.5% (95% CI 48.7%-72.5%), respectively.
  • Factors associated with survival were pathological subtype, completeness of cytoreduction, and degree and location of tumor load (P < 0.05).
  • [MeSH-major] Antineoplastic Agents / administration & dosage. Hyperthermia, Induced. Peritoneal Neoplasms / drug therapy. Peritoneal Neoplasms / surgery. Pseudomyxoma Peritonei / drug therapy. Pseudomyxoma Peritonei / surgery

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  • (PMID = 17197972.001).
  • [ISSN] 0003-4932
  • [Journal-full-title] Annals of surgery
  • [ISO-abbreviation] Ann. Surg.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antineoplastic Agents
  • [Other-IDs] NLM/ PMC1867935
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21. Abdalla MF, El-Hennawy HM: Unusual presentation for primary appendiceal lymphoma: A case report. Indian J Surg; 2010 Jul;72(Suppl 1):289-92
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  • [Title] Unusual presentation for primary appendiceal lymphoma: A case report.
  • Primary appendiceal neoplasms are uncommon, being found in approximately 0.5%-1.0% of appendectomy specimens at pathologic evaluation.
  • Primary appendiceal Burkitt's lymphomas are rare occurring in 0.015% of all gastrointestinal lymphomas.
  • Almost all reported cases of appendiceal lymphoma have proved to be non-Hodgkin lymphoma.
  • The majority of appendiceal lymphomas are of B-cell.
  • This report describes a rare case of primary appendiceal lymphoma in a patient presented with hematuria and dull aching right lower abdominal and back pain.

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  • (PMID = 23133274.001).
  • [ISSN] 0972-2068
  • [Journal-full-title] The Indian journal of surgery
  • [ISO-abbreviation] Indian J Surg
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] India
  • [Other-IDs] NLM/ PMC3451848
  • [Keywords] NOTNLM ; Appendix / Burkitt’s / Lymphoma
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22. Schmitt AM, Riniker F, Anlauf M, Schmid S, Soltermann A, Moch H, Heitz PU, Klöppel G, Komminoth P, Perren A: Islet 1 (Isl1) expression is a reliable marker for pancreatic endocrine tumors and their metastases. Am J Surg Pathol; 2008 Mar;32(3):420-5
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  • [Title] Islet 1 (Isl1) expression is a reliable marker for pancreatic endocrine tumors and their metastases.
  • The transcription factors Cdx2 and TTF1 have been found to be helpful in identifying well-differentiated neuroendocrine tumors of gastrointestinal and pulmonary origin, respectively.
  • So far, such a marker is lacking for pancreatic neuroendocrine tumors (PETs) and metastases thereof.
  • DESIGN: One hundred eighty-eight primary gastroenteropancreatic and pulmonary endocrine tumors and 49 metastases thereof were examined.
  • RESULTS: Isl1 proved to be a highly specific marker for pancreatic endocrine tumors.
  • Strong Cdx2 staining showed a specificity for gastrointestinal origin of 83.9% (sensitivity 82%) in primary tumors and of 100% (sensitivity 40%) in metastases.
  • Including weakly positive tumors lead to a decreased specificity but an increased sensitivity.
  • TTF1 expression was detected in 2 PET and 1 ileal primary tumor only and was absent in all metastases of gastroenteropancreatic endocrine tumors.
  • CONCLUSIONS: Isl1 is a reliable marker of pancreatic endocrine tumors and metastases thereof.
  • It shows a comparable sensitivity and specificity as Cdx2 as a marker of ileal and appendiceal neuroendocrine tumors and their metastases.
  • [MeSH-major] Biomarkers, Tumor / analysis. Homeodomain Proteins / analysis. Neuroendocrine Tumors / chemistry. Neuroendocrine Tumors / pathology. Pancreatic Neoplasms / chemistry. Pancreatic Neoplasms / pathology
  • [MeSH-minor] DNA-Binding Proteins / analysis. Gastrointestinal Neoplasms / chemistry. Gastrointestinal Neoplasms / pathology. Humans. Immunohistochemistry. LIM-Homeodomain Proteins. Lung Neoplasms / chemistry. Lung Neoplasms / pathology. Neoplasm Metastasis. Sensitivity and Specificity. Transcription Factors

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  • (PMID = 18300808.001).
  • [ISSN] 0147-5185
  • [Journal-full-title] The American journal of surgical pathology
  • [ISO-abbreviation] Am. J. Surg. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / CDX2 protein, human; 0 / DNA-Binding Proteins; 0 / Homeodomain Proteins; 0 / LIM-Homeodomain Proteins; 0 / TTF1 protein, human; 0 / Transcription Factors; 0 / insulin gene enhancer binding protein Isl-1
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23. Hernández-Ramírez DA, Portela-Rubio G, Suárez-Moreno RM, Salazar-Lozano CR, Madrazo-Navarro M: [Mucocele of the appendix: an unusual finding in a patient with ulcerative colitis]. Cir Cir; 2010 Jul-Aug;78(4):357-60
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  • [Title] [Mucocele of the appendix: an unusual finding in a patient with ulcerative colitis].
  • BACKGROUND: Patients with ulcerative colitis (UC) or Crohn's disease (CD) have an increased risk for the development of colorectal dysplasia and carcinoma.
  • Although appendiceal inflammation occurs histologically in 40-86% of colectomy specimens from patients with inflammatory bowel disease (IBD), appendiceal neoplasms have been reported only infrequently, and the notion of a direct association between IBD and appendiceal neoplasia is speculative.
  • Colonoscopy and biopsy established the diagnosis of UC (proctosigmoiditis).
  • Disease activity was moderate at the beginning and the patient initially received medical treatment with mesalazine and prednisone.
  • Final histological report revealed cystadenoma of the appendix.
  • CONCLUSIONS: We present the eighth patient, to our knowledge, with a primary cystadenoma of the appendix and UC.
  • [MeSH-major] Appendiceal Neoplasms / complications. Colitis, Ulcerative / complications. Cystadenoma / complications. Mucocele / etiology

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  • (PMID = 21167104.001).
  • [ISSN] 0009-7411
  • [Journal-full-title] Cirugía y cirujanos
  • [ISO-abbreviation] Cir Cir
  • [Language] spa
  • [Publication-type] Case Reports; English Abstract; Journal Article; Review
  • [Publication-country] Mexico
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24. 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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25. Abdu B, Hobgood D, Stallings S, Depasquale S: Incidental finding of pseudomyxoma peritonei at primary cesarean section. Am J Perinatol; 2009 Oct;26(9):633-5
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  • [Title] Incidental finding of pseudomyxoma peritonei at primary cesarean section.
  • Primary appendiceal carcinoma is extremely rare and is found in approximately 1% of appendectomy specimens.
  • Neoplasms of the appendix that secrete mucin such as adenocarcinoma may rupture, leading to intraperitoneal seeding of the peritoneum and producing the clinical picture of pseudomyxoma peritonei (PMP).
  • A general surgeon was consulted, and grossly necrotic-appearing appendix was noted.
  • Pathology showed well-differentiated mucinous adenocarcinoma of the appendix.
  • Early diagnosis of a potentially life-threatening disease requires that clinicians expand the differential diagnosis and consider the possibility of a malignant neoplasm presenting in the pregnant female.
  • [MeSH-major] Appendiceal Neoplasms / pathology. Cesarean Section. Incidental Findings. Pseudomyxoma Peritonei / pathology
  • [MeSH-minor] Adult. Appendectomy / methods. Biopsy, Needle. Elective Surgical Procedures / methods. Female. Follow-Up Studies. Humans. Immunohistochemistry. Infant, Newborn. Male. Neoplasm Staging. Pregnancy. Pregnancy Trimester, Third. Radiotherapy, Adjuvant. Risk Assessment. Treatment Outcome

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  • [Copyright] Thieme Medical Publishers.
  • (PMID = 19399708.001).
  • [ISSN] 1098-8785
  • [Journal-full-title] American journal of perinatology
  • [ISO-abbreviation] Am J Perinatol
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article; Review
  • [Publication-country] United States
  • [Number-of-references] 14
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26. Kidd M, Modlin IM, Mane SM, Camp RL, Shapiro MD: Q RT-PCR detection of chromogranin A: a new standard in the identification of neuroendocrine tumor disease. Ann Surg; 2006 Feb;243(2):273-80
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  • [Title] Q RT-PCR detection of chromogranin A: a new standard in the identification of neuroendocrine tumor disease.
  • SUMMARY BACKGROUND DATA: Immunohistochemical (IHC) measurement of chromogranin A (CgA) discriminates gastrointestinal (GI) carcinoids from epithelial tumors.
  • METHODS: CgA gene expression was examined by Q-RT PCR in GI carcinoids (small intestinal and metastases, n=17, gastric, n=5), appendiceal tumors (n=10), and adenocarcinomas (gastric, n=5, colorectal, n=6).
  • CgA levels were higher (approximately 2-4-fold) in NE appendiceal carcinoids than in adenocarcinoids, but in GI adenocarcinomas were identical to normal mucosa.
  • CONCLUSIONS: Overexpression of CgA mRNA and protein in GI carcinoids can identify metastatic cells; thus, PCR for CgA can be used to identify micrometastases not evident by light microscopy or IHC as well as define tumors of ambivalent morphologic phenotype.

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  • (PMID = 16432362.001).
  • [ISSN] 0003-4932
  • [Journal-full-title] Annals of surgery
  • [ISO-abbreviation] Ann. Surg.
  • [Language] ENG
  • [Grant] United States / NCI NIH HHS / CA / R01 CA097050; United States / NCI NIH HHS / CA / R01-CA-097050
  • [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 / Biomarkers, Tumor; 0 / CHGA protein, human; 0 / Chromogranin A; 0 / Chromogranins; 0 / RNA, Neoplasm
  • [Other-IDs] NLM/ PMC1448909
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27. Manigrasso A, Candioli S, Pironi D, La Torre V, Panarese A, Romani AM, Arcieri S, Tarroni D, Palazzini G, Filippini A: [Adenocarcinoma of the appendix. A case report and review of the literature]. G Chir; 2007 Mar;28(3):73-81
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] [Adenocarcinoma of the appendix. A case report and review of the literature].
  • [Transliterated title] L'adenocarcinoma dell'appendice ileo-ciecale: presentazione di un caso clinico e revisione della letteratura.
  • Primary adenocarcinoma of the appendix is a rare malignancy that constitutes less than 0.5% of all gastrointestinal neoplasms.
  • Usually the diagnosis is made only after histological examination of surgically removed inflamed appendix.
  • Alternatively represent an unexpected finding, confirmed by frozen section, during surgery performed for acute appendicitis or other non appendiceal pathologies.
  • Natural history is strongly influenced by anatomic peculiarities of the appendix that predispose to early spread and perforation.
  • The correct management is the right hemicolectomy as a primary procedure in the case of preoperatively or intraoperatively diagnosis or as secondary procedure, after two-three weeks from appendectomy, when the microscopic examination of specimen reveals the presence of adenocarcinoma.
  • Right hemicolectomy is the best treatment for all histologic types (colonic, mucinous, adenocarcinoid), in presence of perforation and even in Dukes A tumors.
  • The Authors report a case of primary adenocarcinoma of the appendix occurred in a 78 year-old female patient, diagnosed incidentally during surgery performed for ileus from suspected cecal neoplasm.
  • [MeSH-major] Appendiceal Neoplasms. Carcinoma, Signet Ring Cell

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  • (PMID = 17419903.001).
  • [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] 36
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28. Greco L, Papa U: [Mucinous cystoadenocarcinoma of the appendix. A case report]. Ann Ital Chir; 2006 Jul-Aug;77(4):355-8
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  • [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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29. Tannapfel A, Wittekind C: [The current TNM system for gastrointestinal tumors part II]. Pathologe; 2010 Sep;31(5):348-52
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  • [Title] [The current TNM system for gastrointestinal tumors part II].
  • [Transliterated title] Aktuelles TNM-System der gastrointestinalen Tumoren Teil II.
  • Major and praxis-relevant alterations concern colorectal tumours and include new classifications of carcinomas and carcinoids of the appendix.
  • [MeSH-major] Digestive System Neoplasms / pathology. Neoplasm Staging / methods
  • [MeSH-minor] Ampulla of Vater / pathology. Appendiceal Neoplasms / classification. Appendiceal Neoplasms / pathology. Carcinoid Tumor / classification. Carcinoid Tumor / pathology. Carcinoma, Hepatocellular / classification. Carcinoma, Hepatocellular / pathology. Cholangiocarcinoma / classification. Cholangiocarcinoma / pathology. Colorectal Neoplasms / classification. Colorectal Neoplasms / pathology. Common Bile Duct Neoplasms / pathology. Disease Progression. Gallbladder Neoplasms / classification. Gallbladder Neoplasms / pathology. Gastrointestinal Stromal Tumors / classification. Gastrointestinal Stromal Tumors / pathology. Humans. Lymphatic Metastasis / pathology. Mitotic Index. Neoplasm Invasiveness / pathology. Neuroendocrine Tumors / classification. Neuroendocrine Tumors / pathology. Pancreatic Neoplasms / classification. Pancreatic Neoplasms / pathology. Prognosis. Rectal Neoplasms / classification. Rectal Neoplasms / pathology

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  • [CommentIn] Pathologe. 2010 Sep;31(5):353-4 [20809402.001]
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  • (PMID = 20798945.001).
  • [ISSN] 1432-1963
  • [Journal-full-title] Der Pathologe
  • [ISO-abbreviation] Pathologe
  • [Language] ger
  • [Publication-type] English Abstract; Journal Article
  • [Publication-country] Germany
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30. Klöppel G, Anlauf M: Epidemiology, tumour biology and histopathological classification of neuroendocrine tumours of the gastrointestinal tract. Best Pract Res Clin Gastroenterol; 2005 Aug;19(4):507-17
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  • [Title] Epidemiology, tumour biology and histopathological classification of neuroendocrine tumours of the gastrointestinal tract.
  • The term 'carcinoid', although well established in medical terminology, is therefore no longer adequate to cover the entire spectrum of neuroendocrine neoplasms.
  • [MeSH-major] Carcinoma, Neuroendocrine / pathology. Gastrointestinal Neoplasms / pathology
  • [MeSH-minor] Appendiceal Neoplasms / pathology. Cell Differentiation. Colonic Neoplasms / pathology. Esophageal Neoplasms / pathology. Humans. Ileal Neoplasms / pathology. Jejunal Neoplasms / pathology. Multiple Endocrine Neoplasia Type 1 / epidemiology. Multiple Endocrine Neoplasia Type 1 / pathology. Neoplasm Invasiveness. Prognosis. Rectal Neoplasms / pathology. Somatostatinoma / pathology. Stomach Neoplasms / pathology

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  • (PMID = 16183524.001).
  • [ISSN] 1521-6918
  • [Journal-full-title] Best practice & research. Clinical gastroenterology
  • [ISO-abbreviation] Best Pract Res Clin Gastroenterol
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] England
  • [Number-of-references] 43
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31. Smeenk RM, Bex A, Verwaal VJ, Horenblas S, Zoetmulder FA: Pseudomyxoma peritonei and the urinary tract: involvement and treatment related complications. J Surg Oncol; 2006 Jan 1;93(1):20-3
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  • BACKGROUND: Pseudomyxoma peritonei (PMP) is a rare clinical syndrome characterized by intraperitoneal accumulation of mucus produced by neoplastic cells of mostly appendiceal origin.
  • [MeSH-major] Hyperthermia, Induced. Pelvis / surgery. Peritoneal Neoplasms / surgery. Postoperative Complications. Pseudomyxoma Peritonei / surgery
  • [MeSH-minor] Adult. Aged. Antineoplastic Agents / therapeutic use. Female. Humans. Male. Middle Aged. Neoplasm Seeding. Retrospective Studies. Urinary Bladder Fistula / epidemiology. Urinary Incontinence, Stress / epidemiology. Urinary Tract Infections / epidemiology

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  • [Copyright] (c) 2005 Wiley-Liss, Inc.
  • (PMID = 16353186.001).
  • [ISSN] 0022-4790
  • [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 / Antineoplastic Agents
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32. Bibi R, Pranesh N, Saunders MP, Wilson MS, O'dwyer ST, Stern PL, Renehan AG: A specific cadherin phenotype may characterise the disseminating yet non-metastatic behaviour of pseudomyxoma peritonei. Br J Cancer; 2006 Nov 6;95(9):1258-64
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  • Pseudomyxoma peritonei (PMP) is a rare neoplasm of mainly appendiceal origin, characterised by excess intra-abdominal mucin production leading to high morbidity and mortality.
  • While histological features are frequently indolent, this tumour disseminates aggressively throughout the abdominal cavity, yet seldom metastasises.
  • [MeSH-major] Cadherins / analysis. Peritoneal Neoplasms / pathology. Pseudomyxoma Peritonei / pathology
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Carcinoembryonic Antigen / analysis. Diagnosis, Differential. Female. Humans. Immunohistochemistry. Interleukin-9 / analysis. Keratin-20 / analysis. Keratin-7 / analysis. Male. Middle Aged. Mucin-1 / analysis. Mucin-2. Mucins / analysis. Neoplasm Metastasis. Receptors, Interleukin-9 / analysis. Tumor Cells, Cultured. Vimentin / analysis

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  • (PMID = 17031402.001).
  • [ISSN] 0007-0920
  • [Journal-full-title] British journal of cancer
  • [ISO-abbreviation] Br. J. Cancer
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Cadherins; 0 / Carcinoembryonic Antigen; 0 / Interleukin-9; 0 / Keratin-20; 0 / Keratin-7; 0 / MUC2 protein, human; 0 / Mucin-1; 0 / Mucin-2; 0 / Mucins; 0 / Receptors, Interleukin-9; 0 / Vimentin
  • [Other-IDs] NLM/ PMC2360585
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33. Sugarbaker PH: New standard of care for appendiceal epithelial neoplasms and pseudomyxoma peritonei syndrome? Lancet Oncol; 2006 Jan;7(1):69-76
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  • [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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34. Sugarbaker PH: Epithelial appendiceal neoplasms. Cancer J; 2009 May-Jun;15(3):225-35
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  • [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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35. 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
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  • [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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36. Santos LD, Kennerson A, Killingsworth M: Appendiceal mixed endocrine-exocrine neoplasm presenting as bilateral solid tubular and classical Krukenberg tumour. Pathology; 2007 Feb;39(1):169-72
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  • [Title] Appendiceal mixed endocrine-exocrine neoplasm presenting as bilateral solid tubular and classical Krukenberg tumour.
  • [MeSH-major] Adenocarcinoma / secondary. Appendiceal Neoplasms / pathology. Krukenberg Tumor / secondary. Neuroendocrine Tumors / pathology. Ovarian Neoplasms / secondary
  • [MeSH-minor] Adult. Diagnosis, Differential. Female. Humans. Immunohistochemistry. Microscopy, Electron, Transmission

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  • (PMID = 17365834.001).
  • [ISSN] 0031-3025
  • [Journal-full-title] Pathology
  • [ISO-abbreviation] Pathology
  • [Language] eng
  • [Publication-type] Letter
  • [Publication-country] England
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37. Soto Delgado M, Pedrero Márquez G, Varo Solís C, Rodríguez-Rubio Cortadellas FO, Sánchez Bernal C, González Moreno D: [Mucinous adenocarcinoma of the urachus and peritoneal pseudomyxoma]. Actas Urol Esp; 2006 Feb;30(2):222-6
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  • [Transliterated title] Adenocarcinoma mucinoso de uraco y pseudomixoma peritoneal.
  • The adenocarcinoma of the urachus is very rare tumor, with an incidence of 1/5.000.000 inhabitants, represents less than 0.001 of all types of bladder cancer.
  • Peritoneal pseudomixoma is a rare neoplasm characterized by mucinous acites that involvement the peritoneal surface and omentum.
  • Usually is associated with benign o malignant mucinous tumor of the appendix or ovary.

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  • (PMID = 16700214.001).
  • [ISSN] 0210-4806
  • [Journal-full-title] Actas urologicas españolas
  • [ISO-abbreviation] Actas Urol Esp
  • [Language] spa
  • [Publication-type] Case Reports; English Abstract; Journal Article
  • [Publication-country] Spain
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38. Niederle MB, Hackl M, Kaserer K, Niederle B: Gastroenteropancreatic neuroendocrine tumours: the current incidence and staging based on the WHO and European Neuroendocrine Tumour Society classification: an analysis based on prospectively collected parameters. Endocr Relat Cancer; 2010 Dec;17(4):909-18
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  • [Title] Gastroenteropancreatic neuroendocrine tumours: the current incidence and staging based on the WHO and European Neuroendocrine Tumour Society classification: an analysis based on prospectively collected parameters.
  • Using the current WHO classification, the tumor, nodes, metastases (TNM) staging and Ki67 grading and the standard diagnostic procedure proposed by the European Neuroendocrine Tumor Society (ENETS), GEP-NETs from 285 patients (male: 148; female: 137) were recorded.
  • The stomach (23%) was the main site, followed by appendix (21%), small intestine (15%) and rectum (14%).
  • Patients with appendiceal tumours were significantly younger than patients with tumours in any other site.
  • [MeSH-major] Gastrointestinal Neoplasms / pathology. Neuroendocrine Tumors / pathology. Pancreatic Neoplasms / pathology
  • [MeSH-minor] Adult. Age Factors. Austria / epidemiology. Female. Histocytochemistry. Humans. Incidence. Male. Middle Aged. Neoplasm Staging / methods. Prospective Studies

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  • (PMID = 20702725.001).
  • [ISSN] 1479-6821
  • [Journal-full-title] Endocrine-related cancer
  • [ISO-abbreviation] Endocr. Relat. Cancer
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
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39. Washington MK, Tang LH, Berlin J, Branton PA, Burgart LJ, Carter DK, Compton CC, Fitzgibbons PL, Frankel WL, Jessup JM, Kakar S, Minsky B, Nakhleh RE, Members of the Cancer Committee, College of American Pathologists: Protocol for the examination of specimens from patients with neuroendocrine tumors (carcinoid tumors) of the appendix. Arch Pathol Lab Med; 2010 Feb;134(2):171-5
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  • [Title] Protocol for the examination of specimens from patients with neuroendocrine tumors (carcinoid tumors) of the appendix.
  • [MeSH-major] Appendiceal Neoplasms / pathology. Neuroendocrine Tumors / pathology
  • [MeSH-minor] Carcinoid Tumor / pathology. Carcinoid Tumor / surgery. Humans. Neoplasm Staging

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  • (PMID = 20121602.001).
  • [ISSN] 1543-2165
  • [Journal-full-title] Archives of pathology & laboratory medicine
  • [ISO-abbreviation] Arch. Pathol. Lab. Med.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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40. 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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  • [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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41. Pigolkin IuI, Dolzhanskiĭ OV, Kostin AIu: [Appendicular metastatic involvement in breast cancer]. Arkh Patol; 2008 May-Jun;70(3):46-8
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  • The 60-year-old female patient developed the signs of acute appendicitis 18 years after detection of primary tumor; after appendectomy the intraoperative appendular specimens exhibited trains of tumor cells that infiltrated the mid- and lower muscle layer third.
  • Immunohistochemical study revealed a moderate expression of Er and Pgr receptors (150 H scores), a positive reaction with EMA, K7, K6, and lactoalbumin The authors review the data available in the literature on the specific features of metastatic spread into the appendix and on management tactics in these patients.
  • [MeSH-major] Appendiceal Neoplasms / pathology. Appendiceal Neoplasms / secondary. Breast Neoplasms / pathology
  • [MeSH-minor] Appendicitis / metabolism. Appendicitis / pathology. Female. Humans. Immunohistochemistry. Middle Aged. Neoplasm Metastasis. Neoplasm Proteins / metabolism. Time Factors


42. 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


43. 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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44. Zedníková I, Kuntscher V, Schmiedhuber P, Daum O: [Mucinous adenocarcinoma of the appendix--case report]. Rozhl Chir; 2010 Nov;89(11):682-4
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  • [Title] [Mucinous adenocarcinoma of the appendix--case report].
  • [Transliterated title] Mucinózni adenokarcinom apendixu--kazuistika.
  • The authors are describing a case of a patient with the diagnosis of the appendicular cancer.
  • The 66-year-old patient underwent appendectomy because of signs of acute appendicitis, and than in the next step right-sided hemicolectomy because of histological finding of the mucinous adenocarcinoma of the appendix.
  • Mucinous adenocarcinoma is the most common type of appendicular cancer, none the less this diagnosis is very rare.
  • [MeSH-major] Adenocarcinoma, Mucinous / diagnosis. Appendiceal Neoplasms / diagnosis
  • [MeSH-minor] Aged. Colectomy. Humans. Male. Neoplasm Invasiveness

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  • (PMID = 21409802.001).
  • [ISSN] 0035-9351
  • [Journal-full-title] Rozhledy v chirurgii : měsíčník Československé chirurgické společnosti
  • [ISO-abbreviation] Rozhl Chir
  • [Language] cze
  • [Publication-type] Case Reports; English Abstract; Journal Article
  • [Publication-country] Czech Republic
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45. 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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46. Moreno Gijón M, Granero Castro P, Fernández García MS, Vázquez Velasco L, González González JJ: [Granular cell tumor of the appendix]. Rev Esp Enferm Dig; 2009 Jul;101(7):512-3
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  • [Title] [Granular cell tumor of the appendix].
  • [Transliterated title] Tumor de células granulares apendicular.
  • [MeSH-major] Appendiceal Neoplasms. Granular Cell Tumor

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  • (PMID = 19642848.001).
  • [ISSN] 1130-0108
  • [Journal-full-title] Revista española de enfermedades digestivas : organo oficial de la Sociedad Española de Patología Digestiva
  • [ISO-abbreviation] Rev Esp Enferm Dig
  • [Language] spa
  • [Publication-type] Case Reports; Letter; Review
  • [Publication-country] Spain
  • [Number-of-references] 7
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47. 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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48. 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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49. Goere D, Elias D: [Appendiceal tumors found at appendectomy]. J Chir (Paris); 2009 Oct;146 Spec No 1:36-8
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  • [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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50. 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
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  • [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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51. 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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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [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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52. 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
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  • [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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53. Yamaguchi H, Ishimaru M, Suzuki H, Yamashita H, Hatanaka K, Uekusa T, Nagawa H: Isolated abdominal wound recurrence after lymph-node dissection for appendiceal adenocarcinoma. Am J Surg; 2010 Jan;199(1):e7-9
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Isolated abdominal wound recurrence after lymph-node dissection for appendiceal adenocarcinoma.
  • Postoperative histology revealed a moderately differentiated adenocarcinoma in the appendix that invaded the submucosa along with lymphatic involvement.
  • Forty-three days later, an ileocecal resection with radical lymph node dissection was performed through a midline incision.
  • A complete excision of the tumor and the invaded portion of the ileum was performed.
  • [MeSH-major] Abdominal Wall / pathology. Adenocarcinoma / secondary. Adenocarcinoma / surgery. Appendiceal Neoplasms / surgery. Lymph Nodes / surgery. Neoplasm Recurrence, Local / pathology
  • [MeSH-minor] Abdominal Pain / diagnosis. Abdominal Pain / etiology. Appendectomy / methods. Cicatrix / pathology. Follow-Up Studies. Humans. Immunohistochemistry. Lymph Node Excision / methods. Lymphatic Metastasis. Male. Middle Aged. Neoplasm Staging. Reoperation. Risk Assessment. Tomography, X-Ray Computed. Treatment Outcome

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  • (PMID = 19837396.001).
  • [ISSN] 1879-1883
  • [Journal-full-title] American journal of surgery
  • [ISO-abbreviation] Am. J. Surg.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
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54. 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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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [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]
  • [Cites] Pathol Int. 1996 Mar;46(3):216-20 [10846573.001]
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  • (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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55. Koyama T, Mikami Y, Saga T, Tamai K, Togashi K: Secondary ovarian tumors: spectrum of CT and MR features with pathologic correlation. Abdom Imaging; 2007 Nov;32(6):784-95
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  • [Title] Secondary ovarian tumors: spectrum of CT and MR features with pathologic correlation.
  • The ovaries represent common sites for metastatic disease.
  • The common primary sites for metastatic disease to the ovaries include the colon, stomach, breast, and the genitourinary tract.
  • Ovarian metastasis may occasionally represent the initial manifestation of disease, especially in cancers of the gastrointestinal tract.
  • The accurate diagnosis of this condition is always crucial since the misinterpretation of such tumors may cause significant adverse consequences for patients.
  • CT and MR features of secondary ovarian tumors differ according to the origins of the primary malignancies.
  • The great majority of metastases from gastric cancer are Krukenberg tumors, which are typically bilateral and characterized by lobulated solid tumors.
  • Metastases from colon cancer are usually cystic tumors with solid components of variable size.
  • Metastases from appendiceal tumor may present as ruptured mucinous ovarian tumors associated with pseudomyxoma peritonei.
  • Metastatic tumors from breast cancer are characterized by the relatively small size of the lesion.
  • Recognition of radiologic features of a variety of secondary ovarian tumors is beneficial for suspecting the secondary tumors under certain clinical conditions, and thus determining the appropriate management of the patients.
  • [MeSH-major] Magnetic Resonance Imaging / methods. Ovarian Neoplasms / diagnosis. Ovarian Neoplasms / secondary. Tomography, X-Ray Computed / methods
  • [MeSH-minor] Diagnosis, Differential. Female. Humans

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  • (PMID = 17318680.001).
  • [ISSN] 1432-0509
  • [Journal-full-title] Abdominal imaging
  • [ISO-abbreviation] Abdom Imaging
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] United States
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56. Pham TH, Wolff B, Abraham SC, Drelichman E: Surgical and chemotherapy treatment outcomes of goblet cell carcinoid: a tertiary cancer center experience. Ann Surg Oncol; 2006 Mar;13(3):370-6
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • BACKGROUND: Goblet cell carcinoid (GCC) is a rare malignant tumor with distinct histological and clinical features.
  • RESULTS: The age at diagnosis (mean +/- SE) was 55 +/- 13 years.
  • The disease-specific 5-year survivals for stages I, II, III, and IV were 100%, 76%, 22%, and 14%, respectively; the overall mean survival was 47 +/- 3 months.
  • CONCLUSIONS: The prognosis for patients with GCC tumors correlates well with the American Joint Committee on Cancer stage at initial presentation.
  • Appendectomy alone seems adequate for stage I disease.
  • For staging purposes, right hemicolectomy is appropriate for T4 tumors or stage II to III disease provided that it can be performed with minimal risk.
  • [MeSH-major] Appendectomy. Appendiceal Neoplasms / drug therapy. Appendiceal Neoplasms / surgery. Carcinoid Tumor / drug therapy. Carcinoid Tumor / surgery
  • [MeSH-minor] Adult. Aged. Antineoplastic Combined Chemotherapy Protocols / therapeutic use. Female. Fluorouracil / administration & dosage. Humans. Leucovorin / administration & dosage. Male. Middle Aged. Neoplasm Staging. Prognosis. Prospective Studies. Retrospective Studies. Survival Analysis. Treatment Outcome

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  • (PMID = 16485156.001).
  • [ISSN] 1068-9265
  • [Journal-full-title] Annals of surgical oncology
  • [ISO-abbreviation] Ann. Surg. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] Q573I9DVLP / Leucovorin; U3P01618RT / Fluorouracil
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57. Lin X, Saad RS, Luckasevic TM, Silverman JF, Liu Y: Diagnostic value of CDX-2 and TTF-1 expressions in separating metastatic neuroendocrine neoplasms of unknown origin. Appl Immunohistochem Mol Morphol; 2007 Dec;15(4):407-14
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  • [Title] Diagnostic value of CDX-2 and TTF-1 expressions in separating metastatic neuroendocrine neoplasms of unknown origin.
  • Histomorphologic features and routine endocrine immunohistochemical (IHC) markers do not differentiate neuroendocrine tumors (NETs) in relation to their location, making it difficult to establish the site of origin of a metastatic neoplasm.
  • In this study, CDX-2 was expressed in 28/60 (47%) of gastrointestinal NETs with the following results: 11/11 (100%) appendiceal, 12/14 (86%) small intestinal, 3/4 (75%) colonic, 2/11 (18%) rectal, and 0/20 (0%) gastric.
  • TTF-1 was expressed in pulmonary carcinoid tumors in 13/30 (43%) and in 27/30 (90%) pulmonary small cell carcinomas.
  • Metastatic neuroendocrine neoplasms of intestinal origin were positive for CDX-2 and negative for TTF-1.
  • In conclusion, CDX-2 expression is highly specific in identifying NETs of intestinal origin and TTF-1 expression is helpful in identifying NETs of pulmonary origin, which can be quite useful in the diagnosis of metastatic NETs of unknown origin.

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  • (PMID = 18091383.001).
  • [ISSN] 1541-2016
  • [Journal-full-title] Applied immunohistochemistry & molecular morphology : AIMM
  • [ISO-abbreviation] Appl. Immunohistochem. Mol. Morphol.
  • [Language] ENG
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / DNA-Binding Proteins; 0 / Homeodomain Proteins; 0 / TTF1 protein, human; 0 / Trans-Activators; 156560-97-3 / Cdx-2-3 protein
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58. 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
  • [Grant] United States / NLM NIH HHS / LM / T15 LM007033
  • [Publication-type] Journal Article
  • [Publication-country] United States
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59. Li C, Kanthan R, Kanthan SC: Pseudomyxoma peritonei--a revisit: report of 2 cases and literature review. World J Surg Oncol; 2006;4:60
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  • BACKGROUND: Pseudomyxoma peritonei (PMP) is a rare, chronic, relapsing, diagnostically challenging and poorly understood disease characterized by disseminated mucinous ascites and peritoneal implants.
  • CASE PRESENTATION: We report two cases of PMP that represent the two biological variants of disseminated peritoneal adenomucinosis (DPAM)--the benign variant and the peritoneal mucinous carcinomatosis (PMCA)--the malignant variant, both of which were characterized by multiple relapses and progression of the disease despite aggressive management.
  • CONCLUSION: Even with a better understanding and recent advances in the management of these cases, PMP remains an enigmatic disease with a protracted clinical course characterized by multiple recurrences despite surgery and/or chemotherapy.
  • Recognition of PMP as a delayed consequence years later should alert all surgeons to be extremely vigilant when treating mucinous neoplasms of the appendix, with special care being directed towards adequate excision and thorough debridement at the initial diagnosis.

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  • (PMID = 16945158.001).
  • [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/ PMC1574320
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60. Alsaad KO, Serra S, Schmitt A, Perren A, Chetty R: Cytokeratins 7 and 20 immunoexpression profile in goblet cell and classical carcinoids of appendix. Endocr Pathol; 2007;18(1):16-22
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Cytokeratins 7 and 20 immunoexpression profile in goblet cell and classical carcinoids of appendix.
  • Goblet cell carcinoid (GCC) of the vermiform appendix is an uncommon neoplasm and its histogenesis is controversial.
  • Whether GCC represents a morphological variant of classical appendiceal carcinoid or a mucin-producing adenocarcinoma is still conjectural.
  • Little is known about the immunohistochemical expression of cytokeratins 7 (CK7) and 20 (CK20) in appendiceal neuroendocrine tumors.
  • In this study, we compared the expression of CK7 and CK20 in 17 cases of appendiceal GCC and 25 cases of classical carcinoid.
  • The tumors were also evaluated for Ki-67 proliferation index, mitotic activity, tumor necrosis, extracellular pools of mucin, obvious intestinal type adenocarcinomatous foci, angiolymphatic permeation, perineural/neural infiltration, and the depth of invasion of the appendix wall.
  • Immunohistochemically, all 17 (100%) of GCC exhibited strong and diffuse immunopositivity for CK20, whereas expression of CK7 was present in 12 cases (70.5%), ranging from 5 to 50% of tumor cells being labeled.
  • On the other hand, 25 cases of classical carcinoid tumors were consistently negative for CK7; however, 4 cases (16%) showed immunolabeling for CK20 in 25-50% of the tumor cells.
  • Goblet cell carcinoid should be regarded as a crypt cell or an amphicrine carcinoma rather than a variant of carcinoid tumor, a lesion that has benign connotations.
  • [MeSH-major] Appendiceal Neoplasms / metabolism. Carcinoid Tumor / metabolism. Goblet Cells / metabolism. Keratin-20 / metabolism. Keratin-7 / metabolism
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Biomarkers, Tumor / metabolism. Cell Proliferation. Female. Humans. Immunohistochemistry. Ki-67 Antigen / metabolism. Male. Middle Aged. Treatment Outcome

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  • (PMID = 17652796.001).
  • [ISSN] 1046-3976
  • [Journal-full-title] Endocrine pathology
  • [ISO-abbreviation] Endocr. Pathol.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Keratin-20; 0 / Keratin-7; 0 / Ki-67 Antigen
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61. 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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62. Young RH: From krukenberg to today: the ever present problems posed by metastatic tumors in the ovary: part I. Historical perspective, general principles, mucinous tumors including the krukenberg tumor. Adv Anat Pathol; 2006 Sep;13(5):205-27
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  • [Title] From krukenberg to today: the ever present problems posed by metastatic tumors in the ovary: part I. Historical perspective, general principles, mucinous tumors including the krukenberg tumor.
  • This review considers historical aspects of metastatic tumors to the ovary, general principles that aid in their evaluation, and metastatic mucinous tumors, including the Krukenberg tumor.
  • The historical timeline on the Krukenberg tumor dates back to the legendary Sir James Paget and the story is followed through the well-known, albeit flawed, contribution of Friedrich Krukenberg and others who have contributed important papers over the years, including the overlooked contribution of the French investigator Gauthier-Villars.
  • Contributions on mucinous tumors conclude the historical perspective, note being made of the recent evidence suggesting that the long held contention of Dr Robert E.
  • Scully that ovarian mucinous tumors in patients with pseudomyxoma peritonei usually originate from the appendix is correct.
  • The section on general principles highlights the many clinical, gross, microscopic, and special techniques such as immunohistochemistry that may aid in determining that an ovarian tumor is metastatic with emphasis on the first 3 mentioned aspects.
  • Problematic features such as a tendency for metastatic tumors to be cystic, even when the primary tumors are not, and for many metastatic tumors to mature in the ovary (so-called maturation phenomenon), are emphasized.
  • The contribution on the Krukenberg tumor reviews the varied microscopy of this tumor pointing out that the well-known pattern of signet-ring cells in a cellular stroma, albeit characteristic, is often not striking and frequently overshadowed by other microscopic features.
  • The final portion of the essay reviews mucinous tumors of non-Krukenberg type, beginning with those that originate from the appendix.
  • The appendiceal neoplasms have distinctive features in most cases being particularly well differentiated, and this is also seen in their ovarian metastases.
  • Other mucinous tumors that commonly simulate closely metastatic neoplasms, include those from the pancreas in particular, but also diverse other sites, are then reviewed.
  • [MeSH-major] Krukenberg Tumor / secondary. Medical Oncology / history. Ovarian Neoplasms / secondary
  • [MeSH-minor] Adenocarcinoma, Mucinous / secondary. Appendiceal Neoplasms / pathology. Diagnosis, Differential. Female. History, 20th Century. Humans. Pancreatic Neoplasms / pathology. Periodicals as Topic / history

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  • (PMID = 16998315.001).
  • [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] 70
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63. 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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64. Kane JM 3rd: The "alphabet soup" of peritoneal dissemination from appendiceal neoplasms and other malignancies. Ann Surg Oncol; 2006 May;13(5):597-9
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] The "alphabet soup" of peritoneal dissemination from appendiceal neoplasms and other malignancies.
  • [MeSH-major] Adenocarcinoma, Mucinous / secondary. Appendiceal Neoplasms / pathology. Peritoneal Neoplasms / secondary
  • [MeSH-minor] Combined Modality Therapy. Disease Progression. Humans. Hyperthermia, Induced. Prognosis

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  • [CommentOn] Ann Surg Oncol. 2006 May;13(5):624-34 [16538401.001]
  • [CommentOn] Ann Surg Oncol. 2006 May;13(5):635-44 [16523363.001]
  • (PMID = 16538404.001).
  • [ISSN] 1068-9265
  • [Journal-full-title] Annals of surgical oncology
  • [ISO-abbreviation] Ann. Surg. Oncol.
  • [Language] eng
  • [Publication-type] Comment; Editorial
  • [Publication-country] United States
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65. 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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  • [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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66. Schmuck RB, Pietzner K, Buckendahl A, Schönlebe J, Sehouli J: Cervical manifestation of a borderline type ovarian cancer with pseudomyxoma peritonei - a case report. Anticancer Res; 2010 Jul;30(7):2991-4
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  • Borderline tumours of the ovary (BOTs) are rare tumour entities that do not show any destructive or invasive growth in the majority of cases, even though they can display characteristics of malignant tumours The mucinous subtype can also originate from the appendix, and ovarian metastases can mimic primary ovarian BOTs, often accompanied by peritoneal manifestation in terms of pseudomyxoma peritonei.
  • In cases where a concomitant appendiceal tumour is present, it may prove difficult to determine the primary tumour.
  • This report describes a special case of BOT with a specific example of the complexity of the differential diagnosis of pseudomyxoma peritonei.
  • Especially the case was simultaneously linked to appendiceal and ovarian cancer.
  • [MeSH-major] Adenocarcinoma, Mucinous / diagnosis. Ovarian Neoplasms / diagnosis. Pseudomyxoma Peritonei / diagnosis. Uterine Cervical Neoplasms / diagnosis
  • [MeSH-minor] Adult. Cervix Uteri / pathology. Diagnosis, Differential. Female. Humans. Intestinal Neoplasms / diagnosis. Intestinal Neoplasms / pathology. Neoplasm Invasiveness


67. 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
  • [Publication-type] Case Reports; Journal Article; Review
  • [Publication-country] England
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  • [Other-IDs] NLM/ PMC2688488
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68. 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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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [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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69. Ahmed K, Hoque R, El-Tawil S, Khan MS, George ML: Adenocarcinoma of the appendix presenting as bilateral ureteric obstruction. World J Surg Oncol; 2008;6:23
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  • [Title] Adenocarcinoma of the appendix presenting as bilateral ureteric obstruction.
  • BACKGROUND: Adenocarcinoma of the vermiform appendix is a rare neoplasm of the gastrointestinal tract.
  • These presentations reflect various stages of a locally expanding tumour causing luminal obstruction of appendix.
  • Every attempt should be made to make a precise diagnosis through all the available means to direct the treatment along correct lines.
  • [MeSH-major] Adenocarcinoma / complications. Adenocarcinoma / diagnosis. Appendiceal Neoplasms / complications. Appendiceal Neoplasms / diagnosis. Ureteral Obstruction / etiology

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  • (PMID = 18291037.001).
  • [ISSN] 1477-7819
  • [Journal-full-title] World journal of surgical oncology
  • [ISO-abbreviation] World J Surg Oncol
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] England
  • [Other-IDs] NLM/ PMC2277416
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70. McGory ML, Maggard MA, Kang H, O'Connell JB, Ko CY: Malignancies of the appendix: beyond case series reports. Dis Colon Rectum; 2005 Dec;48(12):2264-71
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Malignancies of the appendix: beyond case series reports.
  • PURPOSE: A comprehensive analysis was performed for five histologic types of appendiceal tumors to compare incidence, clinicopathologic features, survival, and appropriateness of surgery.
  • The appropriateness of the operative procedure (i.e. , appendectomy vs. colectomy) was examined by tumor type and size.
  • RESULTS: Tumor incidence, patient demographics, survival outcomes, and appropriateness of surgery varied significantly among the different appendiceal tumor histologies.
  • The most common appendiceal tumors were mucinous.
  • Although current guidelines specify that a right hemicolectomy (rather than an appendectomy) be performed for all noncarcinoid tumors and carcinoid tumors >2 cm, we found that 30 percent of noncarcinoids underwent appendectomy.
  • CONCLUSIONS: This study provides a population-based analysis of epidemiology, tumor characteristics, survival, and quality of care for appendiceal carcinomas.
  • This characterization provides a novel description of the presentation and outcomes for malignancies of the appendix and highlights that a substantial number of patients with appendiceal tumors may not be receiving appropriate surgical resection.
  • [MeSH-major] Adenocarcinoma, Mucinous / pathology. Appendiceal Neoplasms / pathology. Carcinoid Tumor / pathology. Carcinoma, Signet Ring Cell / pathology

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  • (PMID = 16258711.001).
  • [ISSN] 0012-3706
  • [Journal-full-title] Diseases of the colon and rectum
  • [ISO-abbreviation] Dis. Colon Rectum
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
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71. 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 / diagnostic imaging. Radiopharmaceuticals
  • [MeSH-minor] ACTH Syndrome, Ectopic / diagnostic imaging. Adult. Carcinoid Tumor / diagnostic imaging. Female. Humans. Male. Middle Aged. Neoplasm, Residual / diagnostic 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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72. Terada T: Non-invasive Adenocarcinoma of the Vermiform Appendix: Incidence and Report of Four Cases among 512 Appendectomies. Gastroenterology Res; 2009 Aug;2(4):238-241
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  • [Title] Non-invasive Adenocarcinoma of the Vermiform Appendix: Incidence and Report of Four Cases among 512 Appendectomies.
  • : Tumors of the vermiform appendix are relatively rare.
  • More than 50% of appendiceal tumors are carcinoid tumors.
  • The author reviewed 512 consecutive pathological specimens of appendectomies in last ten years in our pathology laboratory in search for appendiceal tumors.
  • No other tumors including carcinoid tumors were recognized.
  • Pathologically, all the 4 tumors were non-invasive adenocarcinomas: 2 cases were flat type adenocarcinoma, 1 case was papillary adenocarcinoma, and 1 case was mucinous adenocarcinoma.
  • The results suggest that incidence of appendiceal adenocarcinoma was 0.8% of all appendectomies, and that non-invasive adenocarcinoma of the appendix shows variable morphologies, and that postoperative clinical outcome of non-invasive appendiceal tumor is good.

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  • (PMID = 27942282.001).
  • [ISSN] 1918-2805
  • [Journal-full-title] Gastroenterology research
  • [ISO-abbreviation] Gastroenterology Res
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Canada
  • [Keywords] NOTNLM ; Adenocarcinoma / Appendix / Histopathology / Non-invasive carcinoma / appendicitis
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73. Sugarbaker PH: The natural history, gross pathology, and histopathology of appendiceal epithelial neoplasms. Eur J Surg Oncol; 2006 Aug;32(6):644-7
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  • [Title] The natural history, gross pathology, and histopathology of appendiceal epithelial neoplasms.
  • AIM: To report the pathology of appendiceal epithelial neoplasms a review of the Washington Cancer Institute experience and a PubMed literature search was performed.
  • FINDINGS: Epithelial appendiceal neoplasms present a significant oncologic challenge.
  • CONCLUSIONS: Appendiceal epithelial neoplasms should be regarded as a distinct clinical entity with special clinical treatments used for optimal management.
  • [MeSH-major] Adenocarcinoma, Mucinous / pathology. Adenoma / pathology. Appendiceal Neoplasms / pathology

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  • (PMID = 16621426.001).
  • [ISSN] 0748-7983
  • [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; Review
  • [Publication-country] England
  • [Number-of-references] 17
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74. 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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  • [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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75. 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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76. de la Fuente-Lira M, Rocha-Guevara ER, Márquez-Rocha ML, Salazar-Lozano C, Jaramillo-Solís O, Ortiz-Maldonado AL: [Appendiceal mucocele and gangrenous cholecystitis]. Cir Cir; 2006 Jul-Aug;74(4):273-7
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  • [Title] [Appendiceal mucocele and gangrenous cholecystitis].
  • OBJECTIVE: We present a case report of appendiceal mucocele and gangrenous cholecystitis.
  • SETTING: Hospital de Especialidades, Centro Médico Nacional Siglo XXI, México, D.F.
  • CLINICAL CASE: An 80-year-old man was admitted to the hospital with diagnosis of acute cholecystitis and abdominal tumor under study, with complaints of abdominal pain for 10 days located in the right upper quadrant, without fever or significant weight loss.
  • CT of the abdomen revealed thickening of the gallbladder wall and acute local inflammation, as well as the presence of abdominal tumor in the right lower quadrant.
  • The patient was surgically explored with the following findings: gangrenous cholecystitis and appendiceal tumor of 20 cm length.
  • The final histological report was appendiceal mucocele and the patient was discharged after 5 days.
  • [MeSH-major] Appendix. Cecal Diseases / complications. Cholecystitis / complications. Gallbladder / pathology. Mucocele / complications

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  • (PMID = 17022900.001).
  • [ISSN] 0009-7411
  • [Journal-full-title] Cirugía y cirujanos
  • [ISO-abbreviation] Cir Cir
  • [Language] spa
  • [Publication-type] Case Reports; English Abstract; Journal Article
  • [Publication-country] Mexico
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77. 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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78. Maheshwari V, Tsung A, Lin Y, Zeh HJ 3rd, Finkelstein SD, Bartlett DL: Analysis of loss of heterozygosity for tumor-suppressor genes can accurately classify and predict the clinical behavior of mucinous tumors arising from the appendix. Ann Surg Oncol; 2006 Dec;13(12):1610-6
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  • [Title] Analysis of loss of heterozygosity for tumor-suppressor genes can accurately classify and predict the clinical behavior of mucinous tumors arising from the appendix.
  • METHODS: Tissue specimens from 23 mucinous appendiceal tumors were analyzed.
  • We found an association between tumor loss of heterozygosity markers and histopathologic classification (P < .05).
  • An FMR less than .25 indicated low-grade disease, an FMR of .25 to .50 indicated intermediate grade, and an FMR greater than .5 indicated a high-grade tumor.
  • CONCLUSIONS: Mutational profiling of accumulated allelic loss and point mutational damage correlated strongly with histopathologic definitions of pseudomyxoma peritonei disease and helped to predict the prognosis of these patients.
  • FMR, along with histopathology, offers a comprehensive classification of these rare tumors.
  • [MeSH-major] Adenocarcinoma, Mucinous / genetics. Appendiceal Neoplasms / genetics. Genes, Tumor Suppressor. Loss of Heterozygosity / genetics. Pseudomyxoma Peritonei / genetics
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. DNA Mutational Analysis. DNA, Neoplasm / genetics. DNA, Neoplasm / metabolism. Female. Genes, ras / physiology. Humans. Male. Microsatellite Repeats. Middle Aged. Point Mutation. Survival Rate

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  • (PMID = 17009159.001).
  • [ISSN] 1068-9265
  • [Journal-full-title] Annals of surgical oncology
  • [ISO-abbreviation] Ann. Surg. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / DNA, Neoplasm
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79. Moran BJ, Mukherjee A, Sexton R: Operability and early outcome in 100 consecutive laparotomies for peritoneal malignancy. Br J Surg; 2006 Jan;93(1):100-4
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  • BACKGROUND: Peritoneal malignancy is common at the terminal stages of many intra-abdominal neoplasms.
  • In selected patients a novel approach of complete macroscopic tumour removal by extensive surgical cytoreduction, combined with intraperitoneal chemotherapy, provides a possibility of cure.
  • One hundred underwent laparotomy, of whom 85 had a primary appendiceal tumour.
  • Treatment aims were complete macroscopic tumour excision combined with intraoperative intraperitoneal chemotherapy.
  • RESULTS: Sixty-five patients had complete macroscopic tumour excision, 28 palliative major cytoreduction and seven were inoperable.
  • At a median follow-up of 30 (range 3-113) months, 44 of 51 patients with primary appendiceal tumours who had complete macroscopic cytoreduction were alive and 36 were disease free.
  • [MeSH-major] Laparotomy / methods. Peritoneal Neoplasms / surgery

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  • [Copyright] Copyright 2005 British Journal of Surgery Society Ltd.
  • (PMID = 16302177.001).
  • [ISSN] 0007-1323
  • [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
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80. Yemelyanova AV, Vang R, Judson K, Wu LS, Ronnett BM: Distinction of primary and metastatic mucinous tumors involving the ovary: analysis of size and laterality data by primary site with reevaluation of an algorithm for tumor classification. Am J Surg Pathol; 2008 Jan;32(1):128-38
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  • [Title] Distinction of primary and metastatic mucinous tumors involving the ovary: analysis of size and laterality data by primary site with reevaluation of an algorithm for tumor classification.
  • Distinction of primary ovarian mucinous tumors from metastatic/secondary mucinous tumors involving the ovaries is often challenging, not only at the time of intraoperative assessment when requested for surgical management (staging decisions) but also for final pathologic diagnosis.
  • Previous studies have shown that a simple algorithm using tumor size and laterality (bilateral tumors of any size, or unilateral tumor <10 cm=metastatic; unilateral tumor > or =10 cm=primary) can accurately classify a substantial majority of tumors.
  • To assess the general utility of this algorithm for distinction of primary and secondary mucinous tumors in the ovary and address the occurrence of exceptions (large unilateral metastases), analysis of tumor size and laterality data was performed using 194 tumors (52 primary tumors and 142 metastases), with metastases subclassified by primary site [colorectum (46), appendix (28 low-grade tumors, 20 carcinomas), pancreaticobiliary tract (20), small intestine (3), stomach (5), and endocervix (20)].
  • Performance of the algorithm was evaluated using the originally proposed method and modified size criteria were analyzed to optimize tumor classification.
  • The original algorithm correctly classified 84% of tumors overall, including 100% of primary ovarian tumors and 77% of all metastases (colorectal: 74%; appendiceal: 79% of low-grade tumors, 100% of carcinomas; pancreaticobiliary: 95%; small intestinal: 33%; gastric: 80%; endocervical: 55%).
  • By adjusting the size criterion to 12 cm, performance of the algorithm was both maintained for primary ovarian tumors and improved for metastases, with correct classification of 86% of tumors overall, including 100% of primary tumors and 80% of metastases.
  • Performance was optimized at 13 cm, with correct classification of 87% of tumors overall, including 98% of primary tumors and 82% of metastases (colorectal: 80%; appendiceal: 79% of low-grade tumors, 100% of carcinomas; pancreaticobiliary: 100%; small intestinal: 33%; gastric: 100%; endocervical: 70%).
  • Recognition that metastatic colorectal carcinomas represent the most common metastases and have a greater tendency to violate the algorithm should prompt lowering of the threshold for suggesting the possibility of metastatic colorectal carcinoma for tumors displaying any microscopic features suggestive of that diagnosis, even when a history of primary colorectal carcinoma is lacking.
  • Use of the algorithm is intended as an adjunct to the complete clinicopathologic evaluation that ideally should occur when problematic mucinous tumors in the ovary are encountered.
  • [MeSH-major] Adenocarcinoma, Mucinous / classification. Algorithms. Neoplasm Metastasis / pathology. Ovarian Neoplasms / classification

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  • (PMID = 18162780.001).
  • [ISSN] 0147-5185
  • [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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81. 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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82. Palanivelu C, Rangarajan M, Annapoorni S, Senthilkumar R, Anand NV: Laparoscopic right hemicolectomy for goblet-cell carcinoid of the appendix: report of a rare case and literature survey. J Laparoendosc Adv Surg Tech A; 2008 Jun;18(3):417-21
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Laparoscopic right hemicolectomy for goblet-cell carcinoid of the appendix: report of a rare case and literature survey.
  • Tumors of the appendix are rare entities, and the majority of them are discovered accidentally during an investigation for other conditions.
  • Laparoscopic surgery for appendiceal goblet-cell carcinoid (GCC) has only been reported once before.
  • Our patient was incidentally discovered to have an appendiceal tumor and was referred to us for laparoscopy.
  • The tumor involved the body of the appendix and was adherent to the cecum.
  • Histopathology confirmed an appendiceal goblet-cell carcinoid.
  • GCC is a rare tumor of the appendix.
  • Hemicolectomy is indicated in specific situations, such as local involvement or tumor size >2 cm.
  • In our patient, the tumor was adherent to the cecum and tumor size was 5 cm.
  • Laparoscopic surgery for appendiceal tumors is safe, feasible, and even may be beneficial.
  • [MeSH-major] Carcinoid Tumor / surgery. Colectomy
  • [MeSH-minor] Aged. Appendiceal Neoplasms / pathology. Appendiceal Neoplasms / surgery. Humans. Laparoscopy. Male

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  • (PMID = 18503377.001).
  • [ISSN] 1092-6429
  • [Journal-full-title] Journal of laparoendoscopic & advanced surgical techniques. Part A
  • [ISO-abbreviation] J Laparoendosc Adv Surg Tech A
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article; Review
  • [Publication-country] United States
  • [Number-of-references] 18
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83. Bittle MM, Chew FS: Radiological reasoning: recurrent right lower quadrant inflammatory mass. AJR Am J Roentgenol; 2005 Sep;185(3 Suppl):S188-94
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  • CT showed a right lower quadrant inflammatory mass presumed to be an appendiceal abscess.
  • The final pathologic diagnosis was mucinous cystadenoma with perforation.
  • CONCLUSION: Primary neoplasms of the appendix are uncommon but should be considered in the correct clinical and imaging scenario.
  • [MeSH-major] Abscess / radiography. Appendiceal Neoplasms / radiography. Appendicitis / radiography. Cystadenoma, Mucinous / radiography

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  • (PMID = 16120902.001).
  • [ISSN] 0361-803X
  • [Journal-full-title] AJR. American journal of roentgenology
  • [ISO-abbreviation] AJR Am J Roentgenol
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
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84. 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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85. Chatelain D, Brevet M, Fuks D, Yzet T, Verhaeghe P, Regimbeau JM, Lauwers G, Sevestre H: [Inflammatory fibroid polyp, a rare tumor of the appendix]. Gastroenterol Clin Biol; 2008 Mar;32(3):274-7
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  • [Title] [Inflammatory fibroid polyp, a rare tumor of the appendix].
  • [Transliterated title] Le polype fibroïde inflammatoire, une tumeur rare de l'appendice.
  • We report the rare occurrence of an inflammatory fibroid polyp of the appendix.
  • CT-scan showed an 8 cm appendiceal mass and a laparoscopic appendectomy was consequently performed.
  • On microscopic examination, the tumor consisted of spindle cells dispersed in a loose fibromyxoid stroma containing numerous blood cells and inflammatory cells with abundant eosinophils.
  • On immunohistochemistry, the spindle tumor cells were positive for vimentin, fascin and focally for CD34 and CD35.
  • Inflammatory fibroid polyp is a rare benign mesenchymal tumor of the gastrointestinal tract rarely reported in the appendix.
  • This tumor shares some common pathologic features with the myofibroblatic inflammatory tumor but they are two different entities.
  • The pathogenesis of this tumor remains unclear but fascin and CD35 immunoreactivity of the tumor cells suggests a probable dendritic cell origin.
  • [MeSH-major] Appendiceal Neoplasms / pathology. Intestinal Polyps / pathology. Leiomyoma / pathology

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  • (PMID = 18353580.001).
  • [ISSN] 0399-8320
  • [Journal-full-title] Gastroentérologie clinique et biologique
  • [ISO-abbreviation] Gastroenterol. Clin. Biol.
  • [Language] fre
  • [Publication-type] Case Reports; English Abstract; Journal Article
  • [Publication-country] France
  • [Chemical-registry-number] 0 / Antigens, CD34; 0 / CR1 protein, human; 0 / Carrier Proteins; 0 / Microfilament Proteins; 0 / Receptors, Complement 3b; 0 / Vimentin; 146808-54-0 / fascin
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86. 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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  • [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


87. 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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88. Beyrouti MI, Beyrouti R, Frikha F, Ben Amar M, Abid M, Ben Ameur H, Ben Salah K, Guirat A, Boujelben S: [Peritoneal gelatinous ascites]. Presse Med; 2007 Jul-Aug;36(7-8):1141-7
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  • It most often follows a mucinous tumor of the appendix.
  • Preoperative diagnosis is facilitated by modern imaging techniques.
  • Effusion in the lesser peritoneal cavity suggests this diagnosis.
  • Magnetic resonance imaging, by showing the gelatinous ascites, their septa and the scalloping of liver and spleen, can strengthen the probability of the diagnosis.
  • Recurrence is more frequent in the forms associated with malignant or bipolar tumors.
  • [MeSH-major] Peritoneal Neoplasms / diagnosis. Peritoneal Neoplasms / therapy. Pseudomyxoma Peritonei / diagnosis. Pseudomyxoma Peritonei / therapy
  • [MeSH-minor] Aged. Antineoplastic Agents / therapeutic use. Appendectomy. Biopsy, Needle. Combined Modality Therapy. Diagnosis, Differential. Female. Humans. Hyperthermia, Induced. Laparotomy. Magnetic Resonance Imaging. Male. Middle Aged. Neoplasm Recurrence, Local / etiology. Neoplasm Recurrence, Local / therapy. Paracentesis. Preoperative Care. Rare Diseases. Survival Rate. Tomography, X-Ray Computed. Treatment Outcome. Ultrasonography

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  • (PMID = 17603922.001).
  • [ISSN] 0755-4982
  • [Journal-full-title] Presse medicale (Paris, France : 1983)
  • [ISO-abbreviation] Presse Med
  • [Language] fre
  • [Publication-type] English Abstract; Journal Article; Review
  • [Publication-country] France
  • [Chemical-registry-number] 0 / Antineoplastic Agents
  • [Number-of-references] 50
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89. Kim MJ: The usefulness of CDX-2 for differentiating primary and metastatic ovarian carcinoma: an immunohistochemical study using a tissue microarray. J Korean Med Sci; 2005 Aug;20(4):643-8
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  • Recently an immunohistochemical marker CDX-2 was found to be of considerable diagnostic value in establishing the gastrointestinal origin of metastatic tumors.
  • Paraffin-embedded tissue sections from 57 primary ovarian tumors and 40 metastatic tumors to the ovary were immunostained for CDX-2, and results were compared to the ancillary immunohistochemical results for CK7/CK20, CEA, CA125, and her-2/neu.
  • CDX-2 immunoreactivity was observed in most of metastatic carcinomas with colorectal (91%) and appendiceal (100%) origin, however CDX-2 was negative in all primary ovarian carcinomas, except for the mucinous subtype.
  • Furthermore, combination with CDX-2 and CK7 strengthen the differential diagnosis between these tumors.
  • [MeSH-major] Homeodomain Proteins / analysis. Ovarian Neoplasms / pathology. Tissue Array Analysis / methods. Trans-Activators / analysis
  • [MeSH-minor] CA-125 Antigen / analysis. Carcinoembryonic Antigen / analysis. Colorectal Neoplasms / metabolism. Colorectal Neoplasms / pathology. Diagnosis, Differential. Female. Humans. Immunohistochemistry. Keratin-7. Keratins / analysis. Neoplasm Metastasis. Receptor, ErbB-2 / analysis

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  • (PMID = 16100458.001).
  • [ISSN] 1011-8934
  • [Journal-full-title] Journal of Korean medical science
  • [ISO-abbreviation] J. Korean Med. Sci.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Korea (South)
  • [Chemical-registry-number] 0 / CA-125 Antigen; 0 / Carcinoembryonic Antigen; 0 / Homeodomain Proteins; 0 / KRT7 protein, human; 0 / Keratin-7; 0 / Trans-Activators; 156560-97-3 / Cdx-2-3 protein; 68238-35-7 / Keratins; EC 2.7.10.1 / Receptor, ErbB-2
  • [Other-IDs] NLM/ PMC2782162
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90. Bolanowski M, Jarzab B, Handkiewicz-Junak D, Jeziorski A, Kos-Kudła B, Zajecki W, oraz Pozostali Uczestnicy Konferencji Okragłego Stołu: [Neuroendocrine tumors of the small intestine and the appendix - management guidelines (recommended by The Polish Network of Neuroendocrine Tumors)]. Endokrynol Pol; 2008 Jan-Feb;59(1):87-96
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  • [Title] [Neuroendocrine tumors of the small intestine and the appendix - management guidelines (recommended by The Polish Network of Neuroendocrine Tumors)].
  • [Transliterated title] Guzy neuroendokrynne jelita cienkiego i wyrostka robaczkowego ( zasady postepowania rekomendowane przez Polska Siec Guzow Neuroendokrynnych).
  • Polish recommendations regarding management of patients suffering from neuroendocrine tumors of small intestine and appendix are presented.
  • Small intestine, especially ileum represent most common origin of these tumors.
  • Symptoms are atypical, diagnosis could be often accidental.
  • Chromogranin A is useful in the laboratory diagnostics, and urinary excretion of 5-hydroxyindoloacetic acid is helpful for the diagnostics and monitoring of the disease.
  • The treatment of choice in the neuroendocrine tumors of small intestine and appendix is radical or palliative surgery, if possible using endoscopy.
  • The crucial in biotherapy is somatostatin analogs application, possible in symptomatic treatment of hormonally functioning tumors.
  • Chemotherapy is less successful in disseminated or locally advanced intestinal neuroendocrine tumors, so radioisotope therapy should be considered in each case of unresectable tumor.
  • [MeSH-major] Intestinal Neoplasms / diagnosis. Intestinal Neoplasms / therapy. Neuroendocrine Tumors / diagnosis. Neuroendocrine Tumors / therapy. Practice Guidelines as Topic
  • [MeSH-minor] Antineoplastic Combined Chemotherapy Protocols / therapeutic use. Appendiceal Neoplasms / diagnosis. Appendiceal Neoplasms / therapy. Clinical Competence. Combined Modality Therapy / methods. Endoscopy, Gastrointestinal / methods. Humans. Intestine, Small. Neoplasm Staging. Physical Examination. Poland. Risk Factors

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  • (PMID = 18335403.001).
  • [ISSN] 0423-104X
  • [Journal-full-title] Endokrynologia Polska
  • [ISO-abbreviation] Endokrynol Pol
  • [Language] pol
  • [Publication-type] English Abstract; Journal Article
  • [Publication-country] Poland
  • [Investigator] Bar-Andziak E; Cwikła J; de Herder W; Dzielicki J; Falconi M; Foltyn W; Gaciong Z; Hubalewska-Dydejczyk A; Kowalska A; Krolicki L; Krzyzanowska-Swiniarska B; Kryszałowicz B; Kvols L; Nasierowska-Guttmejer A; O'Toole D; Kunikowska J; Lampe P; Matyja V; Mełen-Mucha G; Milewicz A; Nowak A; Nowakowska-Duława E; Omyła-Staszewska J; Pajak J; Rudzki S; Rydzewska G; Sowinski J; Starzynska T; Strzelczyk J; Sworczak K; Syrenicz A; Szawlowski A; Tomaszewska RA; Wasko-Czopnik D; Wronski M; Zemczak A; Zgliczynski W
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91. Umer MA, Date RS, Mellor S, Nair B, Ward JB: Hodgkin's disease of appendix: report of a case. Colorectal Dis; 2009 Nov;11(9):985-7
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  • [Title] Hodgkin's disease of appendix: report of a case.
  • BACKGROUND: A number of cases of non Hodgkin's lymphoma of the appendix have been described, but Hodgkin's lymphoma is extremely rare.
  • METHOD: We report a case of a 65-year-old gentleman who was treated for suspected Crohn's disease.
  • The resected segment of bowel demonstrated classical Hodgkin's disease originating in the appendix.
  • CONCLUSION: Hodgkin's lymphoma of appendix is extremely rare.
  • [MeSH-major] Appendiceal Neoplasms / pathology. Hodgkin Disease / pathology
  • [MeSH-minor] Aged. Antineoplastic Combined Chemotherapy Protocols / therapeutic use. Bleomycin / therapeutic use. Dacarbazine / therapeutic use. Doxorubicin / therapeutic use. Humans. Male. Neoplasm Staging. Vinblastine / therapeutic use

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  • (PMID = 19175635.001).
  • [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] Case Reports; Journal Article
  • [Publication-country] England
  • [Chemical-registry-number] 11056-06-7 / Bleomycin; 5V9KLZ54CY / Vinblastine; 7GR28W0FJI / Dacarbazine; 80168379AG / Doxorubicin; ABVD protocol
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92. 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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  • [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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93. Zafar S, Chen H, Sun W, Das K: Cytology of metastatic appendiceal goblet cell carcinoid in pleural effusion fluid: a case report. Diagn Cytopathol; 2008 Dec;36(12):894-8
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  • [Title] Cytology of metastatic appendiceal goblet cell carcinoid in pleural effusion fluid: a case report.
  • Goblet cell appendiceal carcinoid (GCAC) is a rare neoplasm.
  • A computed tomography (CT) scan showed a mass involving the base of the appendix, ascites and concomitant pleural effusion.
  • The appendiceal mass was biopsied and diagnosed as a GCAC.
  • [MeSH-major] Appendiceal Neoplasms / diagnosis. Carcinoid Tumor / diagnosis. Pleural Effusion, Malignant / diagnosis
  • [MeSH-minor] Aged. Ascites / diagnosis. Ascites / etiology. Diagnosis, Differential. Humans. Male

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  • [Copyright] (c) 2008 Wiley-Liss, Inc.
  • (PMID = 18855885.001).
  • [ISSN] 1097-0339
  • [Journal-full-title] Diagnostic cytopathology
  • [ISO-abbreviation] Diagn. Cytopathol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
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94. 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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95. Modlin IM, Kidd M, Latich I, Zikusoka MN, Eick GN, Mane SM, Camp RL: Genetic differentiation of appendiceal tumor malignancy: a guide for the perplexed. Ann Surg; 2006 Jul;244(1):52-60
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  • [Title] Genetic differentiation of appendiceal tumor malignancy: a guide for the perplexed.
  • OBJECTIVE: To use differential gene expression of candidate markers to discriminate benign appendiceal carcinoids (APCs) from malignant and mixed cell APCs.
  • SUMMARY BACKGROUND DATA: Controversy exists in regard to the appropriate surgical management of APCs since it is sometimes difficult to predict tumor behavior using traditional pathologic criteria.
  • METHODS: Total RNA was isolated using TRIzol reagent from 42 appendiceal samples, including appendiceal carcinoids identified at exploration for appendicitis (no evidence of metastasis; n = 16), appendicitis specimens (n = 11), malignant appendiceal tumors (> 1.5 cm, evidence of metastatic invasion; n = 7), and mixed (goblet) cell appendiceal adenocarcinoids (n = 3), normal appendiceal tissue (n = 5), and 5 colorectal cancers.
  • RESULTS: CgA message was elevated (> 1000-fold, P < 0.05) in all tumor types.
  • MAGE-D2 and MTA1 message were significantly elevated (> 10-fold, P < 0.01) in the malignant and goblet cell adenocarcinoid tumors but not in the appendicitis-associated carcinoids or normal mucosa.
  • The apoptotic marker, NALP1, was overexpressed (> 50-fold, P < 0.05) in the appendicitis-associated and malignant appendiceal carcinoids but was significantly decreased (> 10-fold, P < 0.05) in the goblet cell adenocarcinoids.
  • Elevated CgA transcript and protein levels indicative of a carcinoid tumor were identified in one acute appendicitis sample with no histologic evidence of a tumor.
  • CONCLUSIONS: These data demonstrate that malignant APCs and goblet cell adenocarcinoids have elevated expression of NAP1L1, MAGE-D2, and MTA1 compared with appendiceal carcinoids identified at surgery for appendicitis.
  • This and the differences in NALP1 gene expression (decreased in goblet cell adenocarcinoids) provide a series of molecular signatures that differentiate carcinoids of the appendix.
  • CgA identified all appendiceal tumors as well as covert lesions, which may be more prevalent than previously recognized.
  • The molecular delineation of malignant appendiceal tumor potential provides a scientific basis to define the appropriate surgical management as opposed to morphologic assessment alone.

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  • (PMID = 16794389.001).
  • [ISSN] 0003-4932
  • [Journal-full-title] Annals of surgery
  • [ISO-abbreviation] Ann. Surg.
  • [Language] ENG
  • [Grant] United States / NCI NIH HHS / CA / R01 CA097050; United States / NCI NIH HHS / CA / R01-CA-097050
  • [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 / Adaptor Proteins, Signal Transducing; 0 / Antigens, Neoplasm; 0 / Apoptosis Regulatory Proteins; 0 / Biomarkers, Tumor; 0 / Cell Cycle Proteins; 0 / Chromogranin A; 0 / Chromogranins; 0 / Genetic Markers; 0 / MAGED2 protein, human; 0 / NAP1L1 protein, human; 0 / NLRP1 protein, human; 0 / Nuclear Proteins; 0 / Nucleosome Assembly Protein 1; 0 / Repressor Proteins; EC 3.5.1.- / Mta1 protein, human; EC 3.5.1.98 / Histone Deacetylases
  • [Other-IDs] NLM/ PMC1570599
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96. 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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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [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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97. 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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  • [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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98. 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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99. 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
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  • [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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100. Wang HL, Dhall D: Goblet or signet ring cells: that is the question. Adv Anat Pathol; 2009 Jul;16(4):247-54
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • Goblet cell carcinoid tumor is a rare mixed endocrine-exocrine neoplasm of the appendix.
  • It carries an intermediate biologic behavior between a classic carcinoid tumor and a conventional adenocarcinoma.
  • A recent retrospective study of a large number of appendiceal goblet cell carcinoids has shown that these tumors can be stratified into 3 subgroups based on careful histologic analysis: typical goblet cell carcinoid (group A); adenocarcinoma ex goblet cell carcinoid, signet ring cell type (group B); and adenocarcinoma ex goblet cell carcinoid, poorly differentiated carcinoma type (group C).
  • [MeSH-major] Adenocarcinoma / pathology. Appendiceal Neoplasms / pathology. Carcinoid Tumor / pathology. Carcinoma, Signet Ring Cell / pathology. Goblet Cells / pathology

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  • (PMID = 19546612.001).
  • [ISSN] 1533-4031
  • [Journal-full-title] Advances in anatomic pathology
  • [ISO-abbreviation] Adv Anat Pathol
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article; Review
  • [Publication-country] United States
  • [Number-of-references] 11
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