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1. Ettinger B, Kenemans P, Johnson SR, Mol-Arts M, Van Os S, Seifert W, Verweij PJ, Cummings SR: Endometrial effects of tibolone in elderly, osteoporotic women. Obstet Gynecol; 2008 Sep;112(3):653-9
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  • Among the 15% of women whose biopsy showed an endometrial polyp (similar rate in tibolone and placebo), those receiving tibolone were more than twice as likely to show hyperplasia within the polyp.
  • A marginal increase in grade 1 endometrioid adenocarcinoma (P=.06 compared with placebo) was found among women receiving tibolone.
  • CONCLUSION: Tibolone treatment during 3 years minimally increased endometrial thickness, hyperplastic polyps, endometrial carcinoma, and vaginal bleeding.
  • [MeSH-major] Carcinoma, Endometrioid / chemically induced. Endometrial Neoplasms / chemically induced. Estrogen Replacement Therapy / adverse effects. Norpregnenes / adverse effects. Osteoporosis, Postmenopausal / drug therapy

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  • (PMID = 18757665.001).
  • [ISSN] 0029-7844
  • [Journal-full-title] Obstetrics and gynecology
  • [ISO-abbreviation] Obstet Gynecol
  • [Language] eng
  • [Publication-type] Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Bone Density Conservation Agents; 0 / Norpregnenes; FF9X0205V2 / tibolone
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2. Farah-Klibi F, Kourda-Boujemaa J, Bouaskar I, Dziri C, Rachida Z, Jilani-Baltagi SB: Cystadenocarcinoma of the appendix: an incidental perioperatory finding in a patient with adenocarcinoma of the ascending and sigmoid colon: case report and review of literature. Pathologica; 2009 Dec;101(6):255-60
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  • [Title] Cystadenocarcinoma of the appendix: an incidental perioperatory finding in a patient with adenocarcinoma of the ascending and sigmoid colon: case report and review of literature.
  • We present a unique case of primary cystadenocarcinoma of the appendix occurring concurrently with adenocarcinoma of the colon, and overview the clinical and therapeutic difficulties posed by this rare entity.
  • CASE PRESENTATION: A mucocele of the appendix, due to mucinous cystadenocarcinoma, was documented as an incidental perioperatory finding in a 68-year-old female.
  • Degenerated adenomatous polyp of the ascending colon and mucinous adenocarcinoma of the sigmoid colon invading the parietal peritoneum of the uterine and vagina was diagnosed.
  • CONCLUSIONS: Preoperative diagnosis of an underlying malignancy in a mucocele is important for patient management, but is difficult to reach by imaging studies alone.
  • [MeSH-major] Adenocarcinoma / pathology. Appendiceal Neoplasms / pathology. Colonic Neoplasms / pathology. Cystadenocarcinoma / pathology. Neoplasms, Multiple Primary / pathology

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  • (PMID = 20387715.001).
  • [ISSN] 0031-2983
  • [Journal-full-title] Pathologica
  • [ISO-abbreviation] Pathologica
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Italy
  • [Chemical-registry-number] 0 / Antineoplastic Agents
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3. Ramirez M, Schierling S, Papaconstantinou HT, Thomas JS: Management of the malignant polyp. Clin Colon Rectal Surg; 2008 Nov;21(4):286-90
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  • [Title] Management of the malignant polyp.
  • In the United States, the prevalence of adenomatous polyps found during colonoscopic evaluation ranges from 25 to 41%, and of these, 2 to 5% contain invasive malignancy.
  • The management of the malignant polyp continues to be challenging.
  • Endoscopic resection by polypectomy has been shown to be sufficient for management of certain polyps containing cancer; however, it is important to keep in mind that polypectomy does not remove the lymph node drainage basin and may be an inadequate resection for some adenocarcinoma containing polyps that have specific histologic features.

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  • (PMID = 20011440.001).
  • [ISSN] 1530-9681
  • [Journal-full-title] Clinics in colon and rectal surgery
  • [ISO-abbreviation] Clin Colon Rectal Surg
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Other-IDs] NLM/ PMC2780260
  • [Keywords] NOTNLM ; Haggitt level / Malignant polyp / adenocarcinoma / adenomatous polyp / endoscopic polypectomy / segmental colectomy
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4. Munday JS, Brennan MM, Jaber AM, Kiupel M: Ovine intestinal adenocarcinomas: histologic and phenotypic comparison with human colon cancer. Comp Med; 2006 Apr;56(2):136-41
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  • A visible polyp is present within 89% of human colonic adenocarcinomas, whereas polyps were present in only 46% of the ovine neoplasms.
  • [MeSH-major] Adenocarcinoma / veterinary. Colonic Neoplasms / pathology. Intestinal Neoplasms / veterinary. Sheep Diseases / pathology

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  • (PMID = 16639981.001).
  • [ISSN] 1532-0820
  • [Journal-full-title] Comparative medicine
  • [ISO-abbreviation] Comp. Med.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] United States
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5. Ioana M, Angelescu C, Burada F, Mixich F, Riza A, Dumitrescu T, Alexandru D, Ciurea T, Cruce M, Saftoiu A: MMR gene expression pattern in sporadic colorectal cancer. J Gastrointestin Liver Dis; 2010 Jun;19(2):155-9
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  • BACKGROUND AND AIMS: Colorectal carcinoma is the second leading cause of death by cancer in Europe as its incidence increases with life span.
  • The aim of this study was to compare 9 mismatching repair (MMR) genes activation levels in normal, polyp and malignant tissues in order to detect a MMR gene expression pattern in sporadic colorectal malignant pathology.
  • [MeSH-major] Adenocarcinoma / genetics. Colorectal Neoplasms / genetics. DNA Mismatch Repair. Gene Expression Regulation, Enzymologic. Gene Expression Regulation, Neoplastic. Intestinal Polyps / genetics

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  • (PMID = 20593048.001).
  • [ISSN] 1841-8724
  • [Journal-full-title] Journal of gastrointestinal and liver diseases : JGLD
  • [ISO-abbreviation] J Gastrointestin Liver Dis
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Romania
  • [Chemical-registry-number] 0 / RNA, Messenger
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6. Mohamud SO, Motorwala SA, Daniel AR, Tworek JA, Shehab TM: Giant ileal inflammatory fibroid polyp causing small bowel obstruction: a case report and review of the literature. Cases J; 2008;1(1):341
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  • [Title] Giant ileal inflammatory fibroid polyp causing small bowel obstruction: a case report and review of the literature.
  • CASE PRESENTATION: We present the case of a 70-year-old man with a multiple year history of intermittent episodes of bowel obstruction who was found to have a giant ileal inflammatory fibroid polyp causing intermittent small bowel obstruction.
  • The malignant etiologies include adenocarcinoma, carcinoid or lymphoma while benign lesions are typically lipomas, inflammatory polyps or adenomas.

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  • (PMID = 19025593.001).
  • [ISSN] 1757-1626
  • [Journal-full-title] Cases journal
  • [ISO-abbreviation] Cases J
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
  • [Other-IDs] NLM/ PMC2596112
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7. Jankowski R, Georgel T, Vignaud JM, Hemmaoui B, Toussaint B, Graff P, Geoffrois L, Henrot P, Kaminsky MC: Endoscopic surgery reveals that woodworkers' adenocarcinomas originate in the olfactory cleft. Rhinology; 2007 Dec;45(4):308-14
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  • Endoscopic endonasal surgery showed that woodworkers' adenocarcinomas constantly originated in the olfactory cleft, appearing as polyp-like neoplasms with well-defined bodies.
  • [MeSH-major] Adenocarcinoma / pathology. Adenocarcinoma / surgery. Nasal Cavity. Nose Neoplasms / pathology. Nose Neoplasms / surgery

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  • (PMID = 18085026.001).
  • [ISSN] 0300-0729
  • [Journal-full-title] Rhinology
  • [ISO-abbreviation] Rhinology
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Netherlands
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8. Rahimi S, Marani C, Renzi C, Natale ME, Giovannini P, Zeloni R: Endometrial polyps and the risk of atypical hyperplasia on biopsies of unremarkable endometrium: a study on 694 patients with benign endometrial polyps. Int J Gynecol Pathol; 2009 Nov;28(6):522-8
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • Hysteroscopic removal of endometrial polyps with 2 endometrial biopsies far from the base of the polyp were performed.
  • The weight of each polyp was determined.
  • In postmenopause, 21.6% had hyperplasia without atypia, 12% atypia, and 1.2% adenocarcinoma on the sampled endometrium.
  • At multivariable analysis, postmenopausal women with larger polyps had a 3.6-fold higher likelihood of atypia (odds ratio=3.6; 95% confidence interval: 1.3-10.3); in premenopause the likelihood of atypia was significantly associated with polyp weight and age above 40 years.

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  • (PMID = 19851198.001).
  • [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] Journal Article
  • [Publication-country] United States
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9. Danova NA, Robles-Emanuelli JC, Bjorling DE: Surgical excision of primary canine rectal tumors by an anal approach in twenty-three dogs. Vet Surg; 2006 Jun;35(4):337-40
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • RESULTS: Each dog had only 1 tumor type (adenocarcinoma [8], solitary polyp [5], carcinoma [4], plasmacytoma [2], adenoma [1], leiomyoma [1], mucinous carcinoma [1], and papilloma [1]).
  • [MeSH-minor] Adenocarcinoma / surgery. Adenocarcinoma / veterinary. Animals. Disease-Free Survival. Dogs. Female. Male. Polyps / surgery. Polyps / veterinary. Postoperative Complications / veterinary. Records as Topic / veterinary. Retrospective Studies. Treatment Outcome. Wisconsin / epidemiology

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  • (PMID = 16756613.001).
  • [ISSN] 0161-3499
  • [Journal-full-title] Veterinary surgery : VS
  • [ISO-abbreviation] Vet Surg
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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10. Romano G, Cocchiara G, Maniaci S, Buscemi G, Calderone F, Gioè FP, Romano M: [The role of colonoscopy in patient follow-up after surgery for colorectal cancer. A retrospective study and review of the literature]. G Chir; 2007 Oct;28(10):399-402
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • From October 2002 to January 2006, 864 patients had undergone colonoscopy and 68 were treated surgically for colorectal adenocarcinoma.
  • In addition, in 11 cases, there were 3 right colon adenomatous polyps, 2 transverse colon polyps (one villous and the other tubular), 5 descending colon polyps (three tubular and two villous) and 1 tubulo-villous polyp of the rectum.
  • An examination of the data resulting from our own 68 cases shows that, in spite of the fact that no local disease relapse or metachronous neoplasia was observed, the identification of 11 polyps would suggest that the use of colonoscopy in such patients might be the gold standard for early diagnosis of recurrences and new polyps.
  • [MeSH-major] Adenocarcinoma / surgery. Colonoscopy. Colorectal Neoplasms / surgery. Neoplasm Recurrence, Local / prevention & control. Neoplasms, Second Primary / prevention & control
  • [MeSH-minor] Aged. Colonic Polyps / diagnosis. Female. Follow-Up Studies. Humans. Male. Middle Aged. Predictive Value of Tests. Retrospective Studies

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  • (PMID = 17915057.001).
  • [ISSN] 0391-9005
  • [Journal-full-title] Il Giornale di chirurgia
  • [ISO-abbreviation] G Chir
  • [Language] ita
  • [Publication-type] English Abstract; Journal Article; Review
  • [Publication-country] Italy
  • [Number-of-references] 55
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11. Goldstein NS: Small colonic microsatellite unstable adenocarcinomas and high-grade epithelial dysplasias in sessile serrated adenoma polypectomy specimens: a study of eight cases. Am J Clin Pathol; 2006 Jan;125(1):132-45
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Small colonic microsatellite unstable adenocarcinomas and high-grade epithelial dysplasias in sessile serrated adenoma polypectomy specimens: a study of eight cases.
  • Eight sessile serrated adenoma (SSA), right colon polypectomies with focal invasive adenocarcinoma or high-grade dysplasia were studied to identify features indicating a high risk of transformation and characterize the morphologic features of serrated dysplasia; 6 cases had invasive adenocarcinoma; 2 were high-grade dysplasia.
  • Mean polyp maximum dimension was 8.5 mm (range, 6-12 mm).
  • The majority of each polyp was nonmalignant SSA.
  • The mean maximum dimension of the invasive adenocarcinoma was 2.9 mm (range, 2-4 mm).
  • Small proximal SSAs can transform into adenocarcinoma without a component of adenomatous dysplasia.
  • [MeSH-major] Adenocarcinoma / pathology. Adenoma / pathology. Chromosomal Instability. Colonic Neoplasms / pathology. Microsatellite Repeats

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  • (PMID = 16483002.001).
  • [ISSN] 0002-9173
  • [Journal-full-title] American journal of clinical pathology
  • [ISO-abbreviation] Am. J. Clin. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Adaptor Proteins, Signal Transducing; 0 / Carrier Proteins; 0 / MLH1 protein, human; 0 / Nuclear Proteins
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12. Kurobe M, Abe K, Kinoshita N, Anami M, Tokai H, Ryu Y, Wen CY, Kanematsu T, Hayashi T: Hyperplastic polyposis associated with two asynchronous colon cancers. World J Gastroenterol; 2007 Jun 21;13(23):3255-8
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  • We report a patient with hyperplastic polyposis who had two asynchronous colon cancers, a combined adenoma-hyperplastic polyp, a serrated adenoma, and tubular adenomas.
  • Hyperplastic polyposis is thought to be a precancerous lesion; and adenocarcinoma arises from hyperplastic polyposis through the hyperplastic polyp-adenoma-carcinoma sequence.
  • [MeSH-major] Adenocarcinoma / pathology. Adenoma / pathology. Colonic Neoplasms / pathology. Intestinal Polyps / pathology. Precancerous Conditions / pathology

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  • (PMID = 17589908.001).
  • [ISSN] 1007-9327
  • [Journal-full-title] World journal of gastroenterology
  • [ISO-abbreviation] World J. Gastroenterol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] China
  • [Other-IDs] NLM/ PMC4436615
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13. García-Aguilar J, Hernández de Anda E, Rothenberger DA, Finne CO, Madoff RD: Endorectal ultrasound in the management of patients with malignant rectal polyps. Dis Colon Rectum; 2005 May;48(5):910-6; discussion 916-7
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • METHODS: A retrospective review of the medical records and endorectal ultrasound images of 63 patients with endoscopically removed rectal polyps containing invasive adenocarcinoma subsequently staged by endorectal ultrasound.
  • The polyp characteristics and ultrasound images were compared with the presence of residual tumor in the surgical specimen in patients who underwent further surgery or with recurrence in patients who did not.
  • Endorectal ultrasound was more useful than polyp morphologic or histologic criteria to determine the presence of residual cancer in the rectal wall.
  • CONCLUSIONS: Endorectal ultrasound does not definitely exclude the possibility of residual tumor in the rectal wall or mesenteric nodes of patients who had a malignant polyp snared endoscopically.
  • [MeSH-major] Adenocarcinoma / surgery. Adenocarcinoma / ultrasonography. Endosonography. Polyps / surgery. Polyps / ultrasonography. Rectal Neoplasms / surgery. Rectal Neoplasms / ultrasonography

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  • (PMID = 15868240.001).
  • [ISSN] 0012-3706
  • [Journal-full-title] Diseases of the colon and rectum
  • [ISO-abbreviation] Dis. Colon Rectum
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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14. Rouillier P, Senesse P, Cottet V, Valléau A, Faivre J, Boutron-Ruault MC: Dietary patterns and the adenomacarcinoma sequence of colorectal cancer. Eur J Nutr; 2005 Aug;44(5):311-8
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • AIM: The aim of this study was to determine dietary patterns associated with the colorectal adenoma-carcinoma pathway.
  • METHODS: We performed a two-step analysis using first principal component analysis to select the most appropriate food groups, then a hierarchical agglomerative clustering method, in order to determine dietary patterns in 1372 subjects included in a case-control study.
  • Patients with hyperplastic polyps (n = 103), adenomas < 10 mm, (n = 154) or larger adenomas (n = 208) were then compared with polyp-free controls (n = 426), and colorectal cancer cases (n = 171) compared with population controls (n = 309) using unconditional logistic regression adjusted on age and gender.
  • CONCLUSION: A lowenergy diet appeared as protective all along the adenoma-carcinoma sequence, contrary to a high-energy, high-processed meat and -animal fat diet.
  • [MeSH-major] Adenocarcinoma / epidemiology. Colorectal Neoplasms / epidemiology. Energy Intake / physiology. Feeding Behavior

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  • [ErratumIn] Eur J Nutr. 2005 Aug;44(5):318
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  • (PMID = 15316829.001).
  • [ISSN] 1436-6207
  • [Journal-full-title] European journal of nutrition
  • [ISO-abbreviation] Eur J Nutr
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Germany
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15. Barreda B F, Combe G J, Valdez P LA, Sánchez L J: [Clinical aspects in polyps of the colon]. Rev Gastroenterol Peru; 2007 Apr-Jun;27(2):131-47
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  • OBJECTIVES: To evaluate the relation between the histologic type of the colon polyps, its location, the degree of dysplasia, the size, its possible commitment by carcinoma, the age, sex and the handling that has occurred them, in a series of 684 patients of the National Institute of Enfermedades Neoplásicas (INEN) between the 1 of January from 1974 to the 31 of March of the 2004.
  • MATERIAL AND METHODS: The revision of clinical histories of 840 patients with the diagnosis of colon polyp was made who attended the service of Gastroenterology of the INEN between the 1 of January from 1974 to the 31 of March of 2004 and a card predesigned for each clinical history filled.
  • 156 patients by diagnosis related to cancer and familiar adenomatouspoliposis did not include themselves.
  • Adenocarcinoma (carcinomas on adenomas), was present mainly in polyps villous type, with dysplasia severe and greater to 10 mm.
  • Nevertheless, in smaller polyps of 5mm with dysplasia severe, was a polyp invaded by cancer, that represents the 0,8% of millimetric polyps.
  • The colectomy was necessary in 3% of all the made interventions, dysplasia severe or carcinoma was made in adenomatous polyps with, and in greater percentage in greater polyps of 20 mm (53%).
  • The carcinoma is more probable with severe dysplasia and greater size of the adenoma.

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  • (PMID = 17712391.001).
  • [ISSN] 1022-5129
  • [Journal-full-title] Revista de gastroenterología del Perú : órgano oficial de la Sociedad de Gastroenterología del Perú
  • [ISO-abbreviation] Rev Gastroenterol Peru
  • [Language] spa
  • [Publication-type] English Abstract; Journal Article
  • [Publication-country] Peru
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16. Zurac S, Micu G, Bastian A, Grămadă E, Lavric L, Andrei R, Stăniceanu F, Voiosu R, Croitoru A: Malignancy and overdiagnosis of malignancy in Peutz Jeghers polyposis. Rom J Intern Med; 2008;46(2):179-84
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  • We analyzed different degrees of dysplastic changes, epithelial intussusception, association with other types of polypoid lesions and other various aspects possibly related with disease progression.
  • Two of these cases were related (mother and daughter); both of them were operated in another hospital for small bowel tumors with a subsequent diagnosis of adenocarcinoma.
  • The daughter (28 years old) was referred to our hospital for endoscopic follow-up; a small polyp of the transverse large bowel was excised by colonoscopy with a histopathologic diagnosis of PJ polyp; a careful histopathologic reevaluation of both specimens of enterectomy (slides and paraffin blocks) revealed an overdiagnosis of cancer due to the epithelial cystic dilatation and pseudoinvasion in both patients.
  • The other case showed diagnostic changes of PJS and also various aspects of adenomatous polyps some of them with mild and moderate dysplastic changes.
  • When a PJ polyp is diagnosed, the possibility of pseudoinvasion should be kept in mind, in order to avoid overdiagnosis of malignancy; also, due to the fact that the malignant transformation of a PJ polyp is still on debate (hamartoma-dysplasia-carcinoma sequence versus malignant transformation of an adenomatous aria of a hamartoma versus coincidental association of a digestive cancer due to genetic aberrations of PJS), all the other associated microscopic aspects of the lesion should be carefully analyzed.
  • [MeSH-major] Adenocarcinoma / pathology. Adenoma / pathology. Intestinal Neoplasms / pathology. Intestinal Polyps / pathology. Peutz-Jeghers Syndrome / diagnosis. Stomach Neoplasms / pathology

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  • (PMID = 19284092.001).
  • [ISSN] 1220-4749
  • [Journal-full-title] Romanian journal of internal medicine = Revue roumaine de médecine interne
  • [ISO-abbreviation] Rom J Intern Med
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Romania
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17. Martín-Ondarza C, Gil-Moreno A, Torres-Cuesta L, García A, Eyzaguirre F, Díaz-Feijoo B, Xercavins J: Endometrial cancer in polyps: a clinical study of 27 cases. Eur J Gynaecol Oncol; 2005;26(1):55-8
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  • METHODS: A descriptive, retrospective study of 204 consecutive patients with endometrial carcinoma who were diagnosed at our institution between June 1998 to June 2001.
  • Metrorrhagia was the presenting symptom in 74% of cases, although 22% of patients were asymptomatic at the time of diagnosis.
  • Ultrasonography performed in 22 patients showed images compatible with an endometrial polyp in 50% of cases, myoma in 5%, and inconclusive findings in 45%.
  • Diagnosis was made by aspiration-biopsy in 13 patients and by hysteroscopic endometrial sampling in 13 (in one patient endometrial carcinoma was incidentally found in the surgical specimen).
  • Endometrioid carcinoma was found in 81.5% of cases.
  • [MeSH-minor] Adenocarcinoma, Papillary / epidemiology. Adenocarcinoma, Papillary / etiology. Adenocarcinoma, Papillary / pathology. Adenocarcinoma, Papillary / ultrasonography. Aged. Aged, 80 and over. Carcinoma, Adenosquamous / epidemiology. Carcinoma, Adenosquamous / etiology. Carcinoma, Adenosquamous / pathology. Carcinoma, Adenosquamous / ultrasonography. Carcinoma, Endometrioid / epidemiology. Carcinoma, Endometrioid / etiology. Carcinoma, Endometrioid / pathology. Carcinoma, Endometrioid / ultrasonography. Female. Humans. Medical Records. Middle Aged. Prevalence. Retrospective Studies. Risk Factors. Spain / epidemiology

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  • (PMID = 15755002.001).
  • [ISSN] 0392-2936
  • [Journal-full-title] European journal of gynaecological oncology
  • [ISO-abbreviation] Eur. J. Gynaecol. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Italy
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18. Qayyum A, Sawan AS: Profile of colonic biopsies in King Abdul Aziz University Hospital, Jeddah. J Pak Med Assoc; 2009 Sep;59(9):608-11
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  • Of the 107 benign polyps seen, the most dominant was adenomatous polyp.
  • Out of 99 malignant cases, 94 showed adenocarcinoma.
  • Tubular adenomas are the most common type of polyps and adenocarcinoma is the most common malignancy of the colon.
  • [MeSH-minor] Adenocarcinoma / epidemiology. Adolescent. Adult. Aged. Child. Child, Preschool. Colitis, Ulcerative / epidemiology. Colonic Neoplasms / epidemiology. Colonic Polyps / epidemiology. Female. Humans. Male. Middle Aged. Prevalence. Saudi Arabia / epidemiology. Young Adult

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  • (PMID = 19750855.001).
  • [ISSN] 0030-9982
  • [Journal-full-title] JPMA. The Journal of the Pakistan Medical Association
  • [ISO-abbreviation] J Pak Med Assoc
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Pakistan
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19. Tatsumi N, Mukaisho K, Mitsufuji S, Tatsumi Y, Sugihara H, Okanoue T, Hattori T: Expression of cytokeratins 7 and 20 in serrated adenoma and related diseases. Dig Dis Sci; 2005 Sep;50(9):1741-6
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  • [Title] Expression of cytokeratins 7 and 20 in serrated adenoma and related diseases.
  • The entity of serrated adenoma of the colorectum was first proposed in 1990, and it was characterized as epithelial neoplasia combining the architectural features of a hyperplastic polyp with the cytological features of an adenoma.
  • Over the past few years, various clinicopathological studies on serrated adenoma have been reported, but its histogenesis remains unclear.
  • Recently the existence of a "serrated neoplasia pathway" leading to malignancy, which is different from the so-called adenoma-carcinoma sequence, has been discussed.
  • Adenocarcinoma developing in serrated adenoma also presented a CK7+/CK20+ pattern.
  • Taken together with the present results, a distinct pathway of colorectal carcinogenesis must exist, which is different from the adenoma-carcinoma sequence.
  • [MeSH-major] Adenocarcinoma / pathology. Adenoma / genetics. Adenoma / pathology. Biomarkers, Tumor / blood. Colorectal Neoplasms / genetics. Colorectal Neoplasms / pathology. Intermediate Filament Proteins / biosynthesis. Keratins / biosynthesis

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  • (PMID = 16133982.001).
  • [ISSN] 0163-2116
  • [Journal-full-title] Digestive diseases and sciences
  • [ISO-abbreviation] Dig. Dis. Sci.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Intermediate Filament Proteins; 0 / KRT20 protein, human; 0 / KRT7 protein, human; 0 / Keratin-20; 0 / Keratin-7; 68238-35-7 / Keratins
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20. Samaratunga H, Letizia B: Prostatic ductal adenocarcinoma presenting as a urethral polyp: a clinicopathological study of eight cases of a lesion with the potential to be misdiagnosed as a benign prostatic urethral polyp. Pathology; 2007 Oct;39(5):476-81
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  • [Title] Prostatic ductal adenocarcinoma presenting as a urethral polyp: a clinicopathological study of eight cases of a lesion with the potential to be misdiagnosed as a benign prostatic urethral polyp.
  • AIMS: Centrally located prostatic ductal adenocarcinoma can present as a single urethral polyp mimicking a benign polyp.
  • Single small polyps were seen on cystourethroscopy with a clinical diagnosis of benign polyps.
  • Adenocarcinoma, predominantly ductal, was found in other specimens in four patients.
  • CONCLUSIONS: Centrally located prostatic ductal adenocarcinoma has the propensity to mimic benign urethral polyps clinically and histopathologically.
  • [MeSH-major] Adenocarcinoma / pathology. Polyps / pathology. Prostatic Neoplasms / pathology. Urethra / pathology
  • [MeSH-minor] Aged. Aged, 80 and over. Diagnosis, Differential. Humans. Immunohistochemistry. Male. Middle Aged. Prostate-Specific Antigen / blood


21. Radonak J, Lakyová L, Toporcer T: [Uncommon rectal adenocarcinoma metastases]. Rozhl Chir; 2010 Aug;89(7):441-5
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  • [Title] [Uncommon rectal adenocarcinoma metastases].
  • The aim of the case report was to present a successfully treated adenocarcinoma recti and adenocarcinoma of hepatal flexurae with recidivistic metastasis and an extremely rare intergrowth of the metastasis into venous system.
  • A 61 year old patient underwent low resection of recti according to Dixon because of well differentiated adenocarcinoma with classification T3N0M0.
  • The patient was reoperated because of metastasis of adenocarcinoma in the abdominal wall (16 x 15 x 20 cm) after chemotherapy (FUL-5-fluorouracyl) and radiation dose of 50.4 Gy.
  • 26 months after the first operation, a new sessile polyp was found in the hepatal flexurae with histological finding of well differentiated adenocarcinoma.
  • [MeSH-major] Abdominal Neoplasms / secondary. Abdominal Wall. Adenocarcinoma / secondary. Rectal Neoplasms / pathology

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  • (PMID = 20925261.001).
  • [ISSN] 0035-9351
  • [Journal-full-title] Rozhledy v chirurgii : měsíčník Československé chirurgické společnosti
  • [ISO-abbreviation] Rozhl Chir
  • [Language] slo
  • [Publication-type] Case Reports; English Abstract; Journal Article
  • [Publication-country] Czech Republic
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22. Pokala N, Delaney CP, Kiran RP, Brady K, Senagore AJ: Outcome of laparoscopic colectomy for polyps not suitable for endoscopic resection. Surg Endosc; 2007 Mar;21(3):400-3
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  • This approach eradicates the polyp and allows an oncologic resection should the polyp prove to be malignant.
  • Mean polyp size was 3.1 cm, and pathology revealed tubular (n = 14), tubulovillous (n = 33) and villous adenoma (n = 2), pseudopolyp (n = 1), and prolapse of the appendix into the cecum mimicking an adenoma (n = 1).
  • Adenocarcinoma not identified at colonoscopy was found in 11 polyps (20%), 9 tubulovillous (27.8%) and both villous adenomas (100%).

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  • (PMID = 17180271.001).
  • [ISSN] 1432-2218
  • [Journal-full-title] Surgical endoscopy
  • [ISO-abbreviation] Surg Endosc
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Germany
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23. Nowicki MJ, Bishop PR, Subramony C, Wyatt-Ashmead J, May W, Crawford M: Colonic chicken-skin mucosa in children with polyps is not a preneoplastic lesion. J Pediatr Gastroenterol Nutr; 2005 Nov;41(5):600-6
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  • Colonic polyps are common both in adults and children; however, the malignant potential varies according to the type of polyp.
  • Chicken-skin mucosa (CSM) is an endoscopic finding initially described associated with adenomatous polyps and adenocarcinoma, suggesting a preneoplastic lesion.
  • [MeSH-minor] Adenocarcinoma / diagnosis. Adenocarcinoma / metabolism. Adenocarcinoma / pathology. Adenoma / diagnosis. Adenoma / metabolism. Adenoma / pathology. Biomarkers, Tumor / analysis. Biopsy. Child. Child, Preschool. Colon / pathology. Colonoscopy. Female. Humans. Immunohistochemistry. Male. Prospective Studies

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  • (PMID = 16254516.001).
  • [ISSN] 0277-2116
  • [Journal-full-title] Journal of pediatric gastroenterology and nutrition
  • [ISO-abbreviation] J. Pediatr. Gastroenterol. Nutr.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Ki-67 Antigen; 0 / Tumor Suppressor Protein p53
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24. Sangoi AR, Berry G: Respiratory epithelial adenomatoid hamartoma: diagnostic pitfalls with emphasis on differential diagnosis. Adv Anat Pathol; 2007 Jan;14(1):11-6
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  • [Title] Respiratory epithelial adenomatoid hamartoma: diagnostic pitfalls with emphasis on differential diagnosis.
  • In the upper aerodigestive tract, respiratory epithelial adenomatoid hamartoma (REAH) is described as a polypoid proliferation of glands lined by ciliated respiratory epithelium that seem to invaginate downward into the submucosa while maintaining direct continuity with the surface mucosa.
  • The lesion can be confused with a variety of benign and malignant entities, including inflammatory polyp, inverted schneiderian papilloma, and low-grade sinonasal adenocarcinoma.
  • In reviewing the historical, clinical, gross, and histopathologic features of REAH and its subtypes, we elucidate how the distinction of REAH with florid mucinous metaplasia from low-grade adenocarcinoma can be challenging particularly in the setting of small biopsy samples.
  • [MeSH-minor] Adenocarcinoma / pathology. Adenomatous Polyps / pathology. Biopsy. Diagnosis, Differential. Humans. Inflammation / pathology. Papilloma, Inverted / pathology. Paranasal Sinus Neoplasms / pathology

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  • (PMID = 17198306.001).
  • [ISSN] 1072-4109
  • [Journal-full-title] Advances in anatomic pathology
  • [ISO-abbreviation] Adv Anat Pathol
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] United States
  • [Number-of-references] 21
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25. Kim YS, Kim N, Kim SH, Park MJ, Lim SH, Yim JY, Cho KR, Kim SS, Kim DH, Eun HW, Cho KS, Kim JH, Choi BI, Jung HC, Song IS, Shin CS, Cho SH, Oh BH: The efficacy of intravenous contrast-enhanced 16-raw multidetector CT colonography for detecting patients with colorectal polyps in an asymptomatic population in Korea. J Clin Gastroenterol; 2008 Aug;42(7):791-8
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  • RESULTS: The per-patient sensitivities of CTC were 68.5% (37/54) and 86.7% (13/15) for polyp > or = 6 and > or = 10 mm, inferior to those of colonoscopy, 92.6% (50/54) and 100% (15/15), respectively.
  • The per-polyp sensitivities of CTC were 60.4% (61/101) and 72.7% (16/22) for polyp > or = 6 and > or = 10 mm, respectively.
  • [MeSH-minor] Adenocarcinoma / physiopathology. Adenocarcinoma / radiography. Adenoma, Villous / physiopathology. Adenoma, Villous / radiography. Colonic Neoplasms / physiopathology. Colonic Neoplasms / radiography. Colonoscopy / methods. Contrast Media. Female. Humans. Korea. Male. Middle Aged. Sensitivity and Specificity

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  • (PMID = 18580500.001).
  • [ISSN] 1539-2031
  • [Journal-full-title] Journal of clinical gastroenterology
  • [ISO-abbreviation] J. Clin. Gastroenterol.
  • [Language] eng
  • [Publication-type] Comparative Study; Evaluation Studies; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Contrast Media
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26. Ansari SM, Banu S, Awal MA, Siddique AB, Alam MM: Polypoid gall bladder lesions: is it necessary for immediate surgery? Bangladesh Med Res Counc Bull; 2007 Aug;33(2):44-7
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  • [Title] Polypoid gall bladder lesions: is it necessary for immediate surgery?
  • A total of 57 patients with polypoid lesions in gall bladder were diagnosed and underwent extensive follow-up.
  • In 31 patients, who underwent surgery, the histological findings were cholesterol polyp/cholesterosis (n=14), cholesterosis with fibrous displasia of gall bladder (n=7), adenomyomatosis (n=3), hyperplastic cholecystosis (n=5) and adenocarcinoma (n=2).
  • Remaining 26 patients were under follow-up up to 18 months from first diagnosis.
  • Though most of the polyps diagnosed on ultrasound appeared to be benign without any risk of malignant transformation, it, however, may be recommended to go for surgery in a persistent symptomatic patient.

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  • (PMID = 18481437.001).
  • [ISSN] 0377-9238
  • [Journal-full-title] Bangladesh Medical Research Council bulletin
  • [ISO-abbreviation] Bangladesh Med Res Counc Bull
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Bangladesh
  • [Chemical-registry-number] 97C5T2UQ7J / Cholesterol
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27. Yoon WJ, Lee DH, Jung YJ, Jeong JB, Kim JW, Kim BG, Lee KL, Lee KH, Park YS, Hwang JH, Kim JW, Kim N, Lee JK, Jung HC, Yoon YB, Song IS: Histologic characteristics of gastric polyps in Korea: emphasis on discrepancy between endoscopic forceps biopsy and endoscopic mucosal resection specimen. World J Gastroenterol; 2006 Jul 7;12(25):4029-32
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  • Pathological results on resected specimens were as follows: tubular adenoma 45.9%, hyperplastic polyp 31.8%, inflammatory polyp 9.4%, hamartoma 3.5%, fundic gland polyp 2.4%, tubulovillous adenoma 2.4%, adenocarcinoma 2.4%, dysplasia 1.1%, and mucosal pseudolipomatosis 1.1%.
  • There was no relationship between the size of the polyp and concordance rate.
  • Approaches to review of the histology of an entire polyp should be performed, especially when an adenoma is suspected.

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  • (PMID = 16810753.001).
  • [ISSN] 1007-9327
  • [Journal-full-title] World journal of gastroenterology
  • [ISO-abbreviation] World J. Gastroenterol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] China
  • [Other-IDs] NLM/ PMC4087715
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28. Capaccio D, Ciccodicola A, Sabatino L, Casamassimi A, Pancione M, Fucci A, Febbraro A, Merlino A, Graziano G, Colantuoni V: A novel germline mutation in peroxisome proliferator-activated receptor gamma gene associated with large intestine polyp formation and dyslipidemia. Biochim Biophys Acta; 2010 Jun;1802(6):572-81
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  • [Title] A novel germline mutation in peroxisome proliferator-activated receptor gamma gene associated with large intestine polyp formation and dyslipidemia.
  • We report a novel PPARG germline mutation in a patient affected by colorectal cancer that replaces serine 289 with cysteine in the mature protein (S289C).
  • This is the first PPARG germline mutation associated with dyslipidemia and colonic polyp formation that can progress to full-blown adenocarcinoma.
  • [MeSH-minor] Adenocarcinoma / genetics. Adolescent. Adult. Aged. Aged, 80 and over. Amino Acid Substitution. Animals. Base Sequence. Binding Sites / genetics. COS Cells. Cercopithecus aethiops. Colonic Neoplasms / genetics. DNA Primers / genetics. Female. Humans. In Vitro Techniques. Loss of Heterozygosity. Male. Mice. Middle Aged. Models, Molecular. NIH 3T3 Cells. Pedigree. Recombinant Proteins / chemistry. Recombinant Proteins / genetics. Recombinant Proteins / metabolism. Transfection. Young Adult

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  • [Copyright] Copyright 2010 Elsevier B.V. All rights reserved.
  • (PMID = 20123124.001).
  • [ISSN] 0006-3002
  • [Journal-full-title] Biochimica et biophysica acta
  • [ISO-abbreviation] Biochim. Biophys. Acta
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Netherlands
  • [Chemical-registry-number] 0 / DNA Primers; 0 / PPAR gamma; 0 / Recombinant Proteins
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29. Dugalic V, Gojnic M, Brankovic M, Stojanovic I, Ser F, Zizic V: Bone metastasis arising from a polyp of the cervix as the first symptom in generalized multi-organ adenocarcinoma. Eur J Gynaecol Oncol; 2010;31(5):593-5
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  • [Title] Bone metastasis arising from a polyp of the cervix as the first symptom in generalized multi-organ adenocarcinoma.
  • After two vaginal deliveries without any reported difficulties, the patient had no intermenstrual bleeding, postcoital bleeding, leucorrhea or hypermenorrhea, abnormal vaginal bleeding, or postmenstrual bleeding, except during the past five-year period when a polyp-like change in the cervix was found.
  • During Werthaim-Meigs surgery, four positive glandules and cervical adenocarcinoma Stage II were found.
  • Unfortunately, considering the changes in the tissue of the colon and cervix, we considered the condition to be "generalized" adenocarcinoma.
  • [MeSH-major] Adenocarcinoma / secondary. Bone Neoplasms / secondary. Neoplasms, Multiple Primary / diagnosis. Neoplasms, Multiple Primary / pathology. Uterine Cervical Neoplasms / pathology


30. Petko Z, Ghiassi M, Shuber A, Gorham J, Smalley W, Washington MK, Schultenover S, Gautam S, Markowitz SD, Grady WM: Aberrantly methylated CDKN2A, MGMT, and MLH1 in colon polyps and in fecal DNA from patients with colorectal polyps. Clin Cancer Res; 2005 Feb 1;11(3):1203-9
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  • Genetic alterations and, more recently, epigenetic alterations have been associated with specific steps in this polyp-adenocarcinoma sequence and likely drive the histologic progression of colon cancer.
  • Consequently, we have assessed in colon adenomas and hyperplastic polyps the methylation status of MGMT, CDKN2A, and MLH1 to determine the timing and frequency of these events in the polyp-carcinoma progression sequence and subsequently to analyze the potential for these methylated genes to be molecular markers for adenomas and hyperplastic polyps.
  • [MeSH-minor] Adaptor Proteins, Signal Transducing. Adenoma / genetics. Adenoma / pathology. Carrier Proteins. Cell Line, Tumor. CpG Islands / genetics. Cyclin-Dependent Kinase Inhibitor p16 / genetics. Feces / chemistry. Humans. Hyperplasia. Neoplasm Proteins / genetics. Nuclear Proteins. O(6)-Methylguanine-DNA Methyltransferase / genetics

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  • (PMID = 15709190.001).
  • [ISSN] 1078-0432
  • [Journal-full-title] Clinical cancer research : an official journal of the American Association for Cancer Research
  • [ISO-abbreviation] Clin. Cancer Res.
  • [Language] eng
  • [Grant] United States / NCI NIH HHS / CA / P50 CA 95103; United States / NCI NIH HHS / CA / U01 CA 094986
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Adaptor Proteins, Signal Transducing; 0 / Biomarkers, Tumor; 0 / Carrier Proteins; 0 / Cyclin-Dependent Kinase Inhibitor p16; 0 / DNA, Neoplasm; 0 / MLH1 protein, human; 0 / Neoplasm Proteins; 0 / Nuclear Proteins; EC 2.1.1.63 / O(6)-Methylguanine-DNA Methyltransferase
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31. Aydin O, Bagci P, Akyildiz EU, Ozguroglu M, Ilvan S: Metastasis from breast carcinoma to endometrial polyp. Eur J Gynaecol Oncol; 2008;29(6):666-8
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  • [Title] Metastasis from breast carcinoma to endometrial polyp.
  • Metastasis of a breast carcinoma to an endometrial polyp is extremely rare, with only ten cases having been reported in the literature up to now.
  • We present the case of a 60-year-old woman with invasive ductal carcinoma who complained of vaginal bleeding.
  • Microscopic examination revealed an endometrial polyp which contained foci of adenocarcinoma.
  • The morphologic features of the tumor were identical to the original breast carcinoma.
  • [MeSH-major] Bone Neoplasms / secondary. Breast Neoplasms / pathology. Carcinoma, Ductal, Breast / secondary. Endometrial Neoplasms / secondary

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  • (PMID = 19115704.001).
  • [ISSN] 0392-2936
  • [Journal-full-title] European journal of gynaecological oncology
  • [ISO-abbreviation] Eur. J. Gynaecol. Oncol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Italy
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32. Bouraoui S, Azouz H, Kechrid H, Lemaiem F, Mzabi-Regaya S: [Peutz-Jeghers' syndrome with malignant development in a hamartomatous polyp: report of one case and review of the literature]. Gastroenterol Clin Biol; 2008 Mar;32(3):250-4
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  • [Title] [Peutz-Jeghers' syndrome with malignant development in a hamartomatous polyp: report of one case and review of the literature].
  • [Transliterated title] Dégénérescence inaugurale d'un polype hamartomateux au cours du syndrome de Peutz-Jeghers: à propos d'un cas avec revue de la littérature.
  • One case of colonic adenocarcinoma associated with Peutz-Jeghers' syndrome is described in a 62-year-old woman.
  • The patient had colonic carcinoma which developed in a hamartomatous polyp.
  • The malignant development of this colonic hamartomatous polyp arising in Peutz-Jeghers' syndrome was pathologically confirmed at surgery.
  • This case also shows a sequence of hamartoma-dysplasia-carcinoma in a hamartomatous polyp without adenomatous changes.
  • This suggests that hamartomatous polyps in Peutz-Jeghers' syndrome may develop into adenocarcinoma and may be a precursor of gastrointestinal carcinomas.
  • [MeSH-major] Adenocarcinoma / pathology. Cell Transformation, Neoplastic / pathology. Colonic Neoplasms / pathology. Colonic Polyps / pathology. Hamartoma / pathology. Peutz-Jeghers Syndrome / complications

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  • (PMID = 18456106.001).
  • [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; Review
  • [Publication-country] France
  • [Number-of-references] 32
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33. Ball CG, Dupre MP, Falck V, Hui S, Kirkpatrick AW, Gao ZH: Sessile serrated polyp mimicry in patients with solitary rectal ulcer syndrome: is there evidence of preneoplastic change? Arch Pathol Lab Med; 2005 Aug;129(8):1037-40
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  • [Title] Sessile serrated polyp mimicry in patients with solitary rectal ulcer syndrome: is there evidence of preneoplastic change?
  • OBJECTIVE: To assess a possible association between SRUS and morphologic features that mimic SSPs.
  • DESIGN: Twenty-six patients with SRUS, who presented to our institution between January 1, 1999, and November 14, 2004, were retrospectively reviewed for SSP-type morphologic features by 3 pathologists.
  • Two (20%) of the 10 cases demonstrated focal superficial loss of hMLH1 mismatch repair gene expression within areas of serrated morphologic features.
  • One hyperplastic polyp superimposed on SRUS showed a reduced number of surface epithelial cells that express hMLH1 protein.
  • [MeSH-minor] Adaptor Proteins, Signal Transducing. Adenocarcinoma / metabolism. Adenocarcinoma / pathology. Adenoma / complications. Adenoma / metabolism. Adenoma / pathology. Biomarkers, Tumor / metabolism. Carrier Proteins. Diagnosis, Differential. Gene Expression Regulation, Neoplastic. Humans. Ki-67 Antigen / metabolism. Neoplasm Proteins / genetics. Neoplasm Proteins / metabolism. Nuclear Proteins / genetics. Nuclear Proteins / metabolism. Retrospective Studies. Syndrome

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  • (PMID = 16048395.001).
  • [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
  • [Chemical-registry-number] 0 / Adaptor Proteins, Signal Transducing; 0 / Biomarkers, Tumor; 0 / Carrier Proteins; 0 / Ki-67 Antigen; 0 / MLH1 protein, human; 0 / Neoplasm Proteins; 0 / Nuclear Proteins
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34. Zhou X, Shang JQ, Zhou JN: [Transsacral local wide resection for mid-lower rectal tumors]. Zhonghua Wei Chang Wai Ke Za Zhi; 2009 Jan;12(1):44-7
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  • Postoperative diagnosis was adenoma in 28 patients, hyperplastic polyp in 3 patients, carcinoid in 8 patients, gastrointestinal stromal tumor in 1 patient,adenoma with intra-mucosal carcinogenesis in 29 patients and adenocarcinoma invading into submucosa in 64 patients.
  • Median follow-up was 76 months in 64 patients with T(1) adenocarcinoma, whose 5-year cumulative local recurrence and overall survival were 2.0% and 100% respectively.
  • CONCLUSION: Transsacral local wide resection is simple and safe for mid-lower rectal tumors, which is an appropriate procedure for mid-lower rectal benign tumor and can serve as a sphincter-saving operation for selected T(1) lower rectal carcinoma.

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  • (PMID = 19145503.001).
  • [ISSN] 1671-0274
  • [Journal-full-title] Zhonghua wei chang wai ke za zhi = Chinese journal of gastrointestinal surgery
  • [ISO-abbreviation] Zhonghua Wei Chang Wai Ke Za Zhi
  • [Language] chi
  • [Publication-type] English Abstract; Journal Article
  • [Publication-country] China
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35. Turrini R, Lanzani G, Salmi A: [Gallbladder adenoma with focal adenocarcinoma: a case report]. Recenti Prog Med; 2007 Oct;98(10):506-8
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  • [Title] [Gallbladder adenoma with focal adenocarcinoma: a case report].
  • [Transliterated title] Adenoma con focale adenocarcinoma della colecisti: descrizione di un caso.
  • We describe the ultrasound features of an asymptomatic 13-mm gallbladder polyp in a 29-year-old male.
  • Video-laparoscopic cholecystectomy was performed, and histological examination of the lesion revealed a severely dysplastic tubular adenoma and chronic cholecystitis.
  • To our knowledge, this is the first report of a gallbladder polyp already presenting severe dysplasia in a young Caucasian male without risk factors.
  • [MeSH-major] Adenoma / diagnosis. Cholecystectomy, Laparoscopic. Gallbladder Neoplasms / diagnosis. Polyps / complications
  • [MeSH-minor] Adult. Cholecystitis / complications. Cholecystitis / diagnosis. Cholecystitis / surgery. Chronic Disease. Humans. Male. Video-Assisted Surgery

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  • (PMID = 17970176.001).
  • [ISSN] 0034-1193
  • [Journal-full-title] Recenti progressi in medicina
  • [ISO-abbreviation] Recenti Prog Med
  • [Language] ita
  • [Publication-type] Case Reports; English Abstract; Journal Article
  • [Publication-country] Italy
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36. Leng Q, Wu KL, Jin HY, Liu P, Lin HP, Zhang JH, Ye H, Zhu Y, Zhang JC: [Distribution characteristics of colorectal neoplasm in 4450 patients and implication for colorectal cancer screening]. Zhonghua Wei Chang Wai Ke Za Zhi; 2010 Nov;13(11):822-4
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  • RESULTS: Colorectal neoplasm was found in 24.8% (4450/17,939) of the patients during colonoscopy, including adenomatous polyp (n=3410, 19.0%) and adenocarcinoma (n=1040, 5.8%).
  • In patients with adenomatous polyp, 52.8% (1802/3410) of the lesions were at the distal colon, 30.8% (1049/3410) at the proximal colon, and 16.4% (559/3410) at both distal and proximal colon.
  • In patients with carcinoma (n=1040), 921 (88.6%) lesions located at the distal colon, 118 (11.3%) at the proximal colon, and 1 (0.1%) at both segments.
  • [MeSH-major] Colonoscopy. Colorectal Neoplasms / diagnosis

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  • (PMID = 21108058.001).
  • [ISSN] 1671-0274
  • [Journal-full-title] Zhonghua wei chang wai ke za zhi = Chinese journal of gastrointestinal surgery
  • [ISO-abbreviation] Zhonghua Wei Chang Wai Ke Za Zhi
  • [Language] chi
  • [Publication-type] English Abstract; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] China
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37. Alper M, Cukur S, Belenli O, Suna M: Evaluation of the immunohistochemical stain patterns of survivin, Bak and Bag-1 in colorectal cancers and comparison with polyps situated in the colon. Hepatogastroenterology; 2008 Jul-Aug;55(85):1269-73
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  • The adenoma-carcinoma sequence in colorectal cancer has been documented approximately; however, several series of molecular mechanisms still require elucidation.
  • METHODOLOGY: Fifteen colonoscopic biopsy and 25 colectomy colorectal cancer samples, 12 hyperplastic colon polyps, and 18 tubular and 19 villous adenoma cases were studied.
  • Apoptotic markers, such as Bag-1, survivin, and Bak, were used for staining, and relationships between stain features, clinical and prognostic factors, and polyp and tumor staining features were examined.
  • [MeSH-major] Adenocarcinoma / metabolism. Colonic Neoplasms / metabolism. Colonic Polyps / metabolism. DNA-Binding Proteins / metabolism. Microtubule-Associated Proteins / metabolism. Neoplasm Proteins / metabolism. Transcription Factors / metabolism. bcl-2 Homologous Antagonist-Killer Protein / metabolism

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  • (PMID = 18795671.001).
  • [ISSN] 0172-6390
  • [Journal-full-title] Hepato-gastroenterology
  • [ISO-abbreviation] Hepatogastroenterology
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Greece
  • [Chemical-registry-number] 0 / BAK1 protein, human; 0 / BCL2-associated athanogene 1 protein; 0 / BIRC5 protein, human; 0 / DNA-Binding Proteins; 0 / Inhibitor of Apoptosis Proteins; 0 / Microtubule-Associated Proteins; 0 / Neoplasm Proteins; 0 / Transcription Factors; 0 / bcl-2 Homologous Antagonist-Killer Protein
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38. Fu K, Fujii T, Kuwayama H, Ishikawa T, Ueda Y, Fujimori T: Invasive cancer arising in a colonic inverted hyperplastic polyp. Endoscopy; 2010;42 Suppl 2:E29-30
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  • [Title] Invasive cancer arising in a colonic inverted hyperplastic polyp.
  • [MeSH-major] Adenocarcinoma / pathology. Colonic Neoplasms / pathology. Colonic Polyps / pathology

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  • (PMID = 20073007.001).
  • [ISSN] 1438-8812
  • [Journal-full-title] Endoscopy
  • [ISO-abbreviation] Endoscopy
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Germany
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39. Kim KM, Lee EJ, Kim YH, Chang DK, Odze RD: KRAS mutations in traditional serrated adenomas from Korea herald an aggressive phenotype. Am J Surg Pathol; 2010 May;34(5):667-75
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  • In North America, TSAs are relatively uncommon, occur mainly in the left colon, and in some studies, have not been shown to have a strong association with hyperplastic polyp (HPP) or sessile polyp adenoma (SSA) precursor lesions.
  • The purpose of this study was to determine the frequency and type of precursor lesion in TSAs, and to determine the molecular profile according to the grade of histologic dysplasia and/or cancer and anatomic location of the colon in a cohort of Korean patients.
  • One hundred and twelve TSAs were evaluated pathologically and categorized according to the grade of dysplasia (either low or high grade) and the presence or absence of adenocarcinoma.
  • TSAs were also separated into those with serrated versus conventional adenomatous dysplasia.
  • As controls 35 conventional adenomas were evaluated, 14 of which had adenocarcinoma.
  • TSAs with high-grade dysplasia and intramucosal adenocarcinoma showed a significantly higher frequency of KRAS mutation and MGMT methylation, and a significantly lower frequency of BRAF mutations, compared with TSAs with low-grade dysplasia (P<0.05).
  • In a subgroup of TSAs in which both the precursor and neoplastic components were evaluated, a similar molecular profile was shown in both types of epithelium.
  • [MeSH-major] Adenoma / pathology. Colonic Neoplasms / pathology. Mutation. Precancerous Conditions / pathology. Proto-Oncogene Proteins / genetics. ras Proteins / genetics

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  • (PMID = 20305537.001).
  • [ISSN] 1532-0979
  • [Journal-full-title] The American journal of surgical pathology
  • [ISO-abbreviation] Am. J. Surg. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / DNA, Neoplasm; 0 / KRAS protein, human; 0 / Proto-Oncogene Proteins; 0 / Tumor Suppressor Proteins; EC 2.1.1.- / DNA Modification Methylases; EC 2.1.1.63 / MGMT protein, human; EC 2.7.11.1 / BRAF protein, human; EC 2.7.11.1 / Proto-Oncogene Proteins B-raf; EC 3.6.5.2 / ras Proteins; EC 6.5.1.- / DNA Repair Enzymes
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40. Mossa B, Torcia F, Avenoso F, Tucci S, Marziani R: Occurrence of malignancy in endometrial polyps during postmenopause. Eur J Gynaecol Oncol; 2010;31(2):165-8
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • OBJECTIVE: To evaluate the occurrence of endometrial polyp malignancy in pre- and postmenopausal women with or without symptoms.
  • RESULTS: Histological findings of biopsies obtained by operative hysteroscopy confirmed the presence of a simple endometrial polyp in 179 cases, polyps with typical simple hyperplasia in 42 cases, polyps with typical complex hyperplasia in 24 cases, polyps with atypical complex hyperplasia in three cases; carcinomatous polyps in seven cases; atrophic polyps in 17 cases; functional polyps in 56 cases; and inadequate sample in 23 cases.
  • All seven patients with adenocarcinoma were symptomatic; six out of seven patients with adenocarcinoma were in postmenopause and one was in premenopause.
  • CONCLUSIONS: This study revealed that prevalence of endometrial polyp malignant transformation was < or = 2.84% in postmenopausal and symptomatic patients.
  • [MeSH-major] Carcinoma, Endometrioid / pathology. Endometrial Hyperplasia / pathology. Endometrial Neoplasms / pathology. Polyps / pathology

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  • (PMID = 20527232.001).
  • [ISSN] 0392-2936
  • [Journal-full-title] European journal of gynaecological oncology
  • [ISO-abbreviation] Eur. J. Gynaecol. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Italy
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41. Hasan N, Pollack A, Cho I: Infectious causes of colorectal cancer. Infect Dis Clin North Am; 2010 Dec;24(4):1019-39, x
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  • Our understanding of the pathogenesis of colorectal cancer, from the precursor adenomatous polyp to adenocarcinoma, has evolved rapidly.
  • [MeSH-major] Adenoma / etiology. Bacterial Infections / complications. Carcinoma / etiology. Colorectal Neoplasms / etiology. Virus Diseases / complications


42. Matsukawa A, Kurano R, Takemoto T, Kagayama M, Ito T: Chief cell hyperplasia with structural and nuclear atypia: a variant of fundic gland polyp. Pathol Res Pract; 2005;200(11-12):817-21
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  • [Title] Chief cell hyperplasia with structural and nuclear atypia: a variant of fundic gland polyp.
  • A case of an unusual variant of fundic gland polyp (FGP) composed of chief cell hyperplasia with structural and nuclear atypia in an 87-year-old woman is presented.
  • Gastrointestinal endoscopy revealed a sessile polyp in the cardia/ corpus transition zone and a polypoid lesion in the fundus.
  • Histologically, the polyp in the cardia/corpus showed a typical appearance of FGP, while that in fundus demonstrated a tumorous lesion composed of irregular branched tubules with nuclear stratification.
  • Altogether, the polyp in the fundus was diagnosed as an unusual variant of FGP with chief cell hyperplasia.
  • This FGP should be differentiated from tubular adenocarcinoma.
  • Proliferation of chief cells with occasional parietal cells is critical for the differential diagnosis.
  • [MeSH-minor] Adenocarcinoma / diagnosis. Aged. Aged, 80 and over. Biomarkers, Tumor / analysis. Cell Count. Cell Nucleus / pathology. Cell Proliferation. Diagnosis, Differential. Female. Gastric Mucosa / chemistry. Gastric Mucosa / pathology. Humans. Hyperplasia. Ki-67 Antigen / analysis. Pepsinogen A / analysis

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  • (PMID = 15792126.001).
  • [ISSN] 0344-0338
  • [Journal-full-title] Pathology, research and practice
  • [ISO-abbreviation] Pathol. Res. Pract.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Germany
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Ki-67 Antigen; 9001-10-9 / Pepsinogen A
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43. Odom SR, Duffy SD, Barone JE, Ghevariya V, McClane SJ: The rate of adenocarcinoma in endoscopically removed colorectal polyps. Am Surg; 2005 Dec;71(12):1024-6
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  • [Title] The rate of adenocarcinoma in endoscopically removed colorectal polyps.
  • The purpose of this study was to determine the rate of cancer in a modern series of colorectal polyps.
  • Reports of bowel resections, cancer-free polyps, and polyp-free mucosal biopsies were excluded.
  • Polyps were grouped by size, and the rate of adenocarcinoma was determined. x2 was used for analysis.
  • A total of 4,443 polyps were found, of which 3,225 were adenomatous [2,883 (89.4%) tubular adenomas, 399 (9.3%) tubulo-villous adenomas, 32 (1.0%) villous adenomas, and 11 (0.3%) carcinomas].
  • The rate of adenocarcinoma by size was 0.07 per cent for polyps <1 cm, 2.41 per cent for polyps 1-2 cm, and 19.35 per cent for polyps >2 cm, representing significantly fewer cancers for each category of polyp size than the accepted standard.
  • The rate of carcinoma in colon polyps is much lower than previously thought and currently stated in many texts.
  • These data do not alter the recommendations for polyp removal, however, failure to retrieve a specimen in a polyp <1 cm in size is unlikely to have an adverse outcome because the chances of malignancy are very low.
  • [MeSH-major] Adenocarcinoma / epidemiology. Adenocarcinoma / pathology. Colonic Polyps / pathology. Colorectal Neoplasms / epidemiology. Colorectal Neoplasms / pathology. Precancerous Conditions / pathology

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  • (PMID = 16447472.001).
  • [ISSN] 0003-1348
  • [Journal-full-title] The American surgeon
  • [ISO-abbreviation] Am Surg
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] United States
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44. Shibahara K, Haraguchi Y, Sasaki I, Kiyonari H, Oishi T, Iwashita A, Maehara Y, Sugimachi K: A case of gastric hyperplastic polyp with malignant transformation. Hepatogastroenterology; 2005 Jan-Feb;52(61):319-21
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  • [Title] A case of gastric hyperplastic polyp with malignant transformation.
  • In this paper we report a case of hyperplastic polyp with malignant transformation.
  • The first gastroscopy revealed a semi-pedunculated polyp beneath the esophageal-cardiac junction, 1.5cm in diameter and slightly reddish with smooth surface.
  • Histological findings showed a hyperplastic polyp.
  • In 1996, the biopsy specimen showed an atypical epithelium and the polyp was removed by snear polypectomy.
  • A microscopic examination revealed a well-differentiated adenocarcinoma.
  • Immunohistochemically, p53 and Ki-67 immunostaining showed positive in the carcinoma portion of the adenocarcinoma bearing a hyperplastic polyp in the stomach.

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  • (PMID = 15783059.001).
  • [ISSN] 0172-6390
  • [Journal-full-title] Hepato-gastroenterology
  • [ISO-abbreviation] Hepatogastroenterology
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Greece
  • [Chemical-registry-number] 0 / Ki-67 Antigen; 0 / Tumor Suppressor Protein p53
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45. Ozsunar Y, Coskun G, Delibaş N, Uz B, Yükselen V: Diagnostic accuracy and tolerability of contrast enhanced CT colonoscopy in symptomatic patients with increased risk for colorectal cancer. Eur J Radiol; 2009 Sep;71(3):513-8
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  • Two masses and eight polyps, consisted of 1 tubulovillous, 1 tubular, 2 villous adenoma, 4 adenomatous polyp, 4 adenocarcinoma, were identified.

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  • (PMID = 18597964.001).
  • [ISSN] 1872-7727
  • [Journal-full-title] European journal of radiology
  • [ISO-abbreviation] Eur J Radiol
  • [Language] eng
  • [Publication-type] Clinical Trial; Journal Article
  • [Publication-country] Ireland
  • [Chemical-registry-number] 0 / Contrast Media
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46. Childs AJ, Burke JJ 2nd, Perry MY, Gallup DG: Metastatic uterine serous carcinoma originating in an endometrial polyp: a report of 2 cases. J Reprod Med; 2005 Mar;50(3):209-12
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  • [Title] Metastatic uterine serous carcinoma originating in an endometrial polyp: a report of 2 cases.
  • BACKGROUND: Endometrial carcinoma is the most common cancer of the female genital tract.
  • Two histologic variants have been described: an estrogen-dependent form and a more aggressive, non-estrogen-dependent form, which includes uterine serous carcinoma.
  • CASES: Two cases of uterine serous carcinoma were confined to an endometrial polyp without myometrial invasion and were widely metastatic.
  • Pathology showed metastatic disease originating in a small focus of serous adenocarcinoma at the tip of an endometrial polyp.
  • CONCLUSION: These cases emphasize the aggressive nature of uterine serous carcinoma despite insignificant myometrial invasion.

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  • (PMID = 15841935.001).
  • [ISSN] 0024-7758
  • [Journal-full-title] The Journal of reproductive medicine
  • [ISO-abbreviation] J Reprod Med
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
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47. Cappell MS, Batke M: Invasive cancer in a diminutive rectal polyp amidst internal hemorrhoids detected by rectal retroflexion. South Med J; 2010 Sep;103(9):943-6
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  • [Title] Invasive cancer in a diminutive rectal polyp amidst internal hemorrhoids detected by rectal retroflexion.
  • A diminutive rectal polyp amidst internal hemorrhoids, detected by rectal retroflexion during colonoscopy, was shown to harbor invasive rectal adenocarcinoma by colonoscopic biopsy.
  • Initially this lesion had appeared to be a relatively innocuous prominent anorectal mucosal fold and was recognized as a diminutive polyp only after careful rectal retroflexion during colonoscopy.
  • This case report also illustrates how easily an early cancer in a diminutive colonic polyp can be missed when in difficult areas of colonoscopic inspection, such as behind a colonic fold or immediately above the anus.
  • [MeSH-major] Adenocarcinoma / diagnosis. Colonoscopy. Hemorrhoids / pathology. Intestinal Polyps / pathology. Rectal Neoplasms / diagnosis
  • [MeSH-minor] Biopsy. Early Diagnosis. Humans. Male. Middle Aged. Neoplasm Invasiveness. Rectum / pathology

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  • (PMID = 20689479.001).
  • [ISSN] 1541-8243
  • [Journal-full-title] Southern medical journal
  • [ISO-abbreviation] South. Med. J.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
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48. O'Brien MJ: Hyperplastic and serrated polyps of the colorectum. Gastroenterol Clin North Am; 2007 Dec;36(4):947-68, viii
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  • The serrated polyp pathway is a histopathological sequence that begins in a hyperplastic polyp, or precursor serrated aberrant crypt focus, and has the potential to end in a colonic adenocarcinoma that is CIMP-high and, in most cases, also MSI.
  • There is evidence that aberrant CpG-island methylation is the molecular engine that drives the progression through sequential steps of the pathway, from hyperplastic polyp to a form of atypical hyperplastic polyp (termed sessile serrated adenoma) to dysplastic serrated polyp and, ultimately to serrated carcinoma.
  • A second serrated pathway, identified by mutations of KRAS in serrated adenoma, is delineated less completely.
  • Its endpoint is a colorectal carcinoma that is CIMP-low and MSS, and both the advanced serrated adenoma and carcinoma stages of this pathway show molecular genetic and morphologic features that overlap with those of the conventional APC carcinogenic pathway.
  • Clinical studies are needed to elucidate the natural history of serrated neoplasia, and provide evidence-based guidance for risk assessment and surveillance of individuals discovered to harbor its various serrated polyp precursors.

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  • (PMID = 17996799.001).
  • [ISSN] 0889-8553
  • [Journal-full-title] Gastroenterology clinics of North America
  • [ISO-abbreviation] Gastroenterol. Clin. North Am.
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] United States
  • [Number-of-references] 100
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49. Hetzel JT, Huang CS, Coukos JA, Omstead K, Cerda SR, Yang S, O'Brien MJ, Farraye FA: Variation in the detection of serrated polyps in an average risk colorectal cancer screening cohort. Am J Gastroenterol; 2010 Dec;105(12):2656-64
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  • This study assessed the variation of serrated polyp detection among endoscopists and pathologists in an average risk-screening cohort and trends in detection over time.
  • Polyps were classified as adenoma (tubular, tubulovillous, or villous), serrated polyp (hyperplastic polyp (HP), sessile serrated adenoma (SSA), or dysplastic serrated polyp (DSP)), adenocarcinoma, or other.
  • Differences in polyp detection among endoscopists and pathologists were tested with χ(2)-tests.
  • Potential predictors of polyp detection were modeled with Poisson regression.
  • Detection prevalence (patients with at least one polyp per 100 colonoscopies) was 22.2 for adenomas, 11.7 for HP, 0.6 for SSA, and 0.2 for DSP.
  • Classification rates among pathologists differed significantly for HP and SSA, but not for adenoma or DSP.
  • On multivariate analysis, endoscopist was a significant predictor of adenoma, HP, and SSA.
  • Pathologist was a significant predictor of HP, SSA, and DSP, but not adenoma.
  • Detection of adenoma, HP, and SSA differed significantly by endoscopist.
  • Endoscopy and pathology practices should consider educational interventions to improve serrated polyp detection and standardize classification.


50. Harada K, Kato J, Takemoto K, Uraoka T, Hiraoka S, Yanai H, Yamamoto K: [Case of small early cancer of sigmoid colon, which recurred with liver metastasis 18 months after surgical resection]. Nihon Shokakibyo Gakkai Zasshi; 2009 May;106(5):660-7
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  • Colonoscopic examination revealed a 7-mm 0-Is type polyp in the sigmoid colon.
  • Endoscopic mucosal resection for this lesion completely removed the lesion and the histologic diagnosis was well differentiated adenocarcinoma.
  • [MeSH-major] Adenocarcinoma / secondary. Liver Neoplasms / secondary. Neoplasm Recurrence, Local. Neoplasms, Second Primary. Sigmoid Neoplasms / pathology

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  • (PMID = 19420870.001).
  • [ISSN] 0446-6586
  • [Journal-full-title] Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology
  • [ISO-abbreviation] Nihon Shokakibyo Gakkai Zasshi
  • [Language] jpn
  • [Publication-type] Case Reports; English Abstract; Journal Article
  • [Publication-country] Japan
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Carcinoembryonic Antigen
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51. Baichi MM, Arifuddin RM, Mantry PS: Small-bowel masses found and missed on capsule endoscopy for obscure bleeding. Scand J Gastroenterol; 2007 Sep;42(9):1127-32
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  • Most (80%) of the lesions were potentially malignant: adenocarcinoma (n=4), neuroendocrine carcinoma (n=1), leiomyosarcoma (n=1), and GI stroma cell tumors (GISTs) (n=2).
  • Benign lesions included inflammatory fibroid polyp (n=1) and lipoma (n=1).
  • CE findings led directly to tumor diagnosis in 7 of the 10 cases.
  • [MeSH-major] Capsule Endoscopy. Intestinal Neoplasms / diagnosis


52. Bossard C, Denis MG, Bézieau S, Bach-Ngohou K, Bourreille A, Laboisse CL, Mosnier JF: Involvement of the serrated neoplasia pathway in inflammatory bowel disease-related colorectal oncogenesis. Oncol Rep; 2007 Nov;18(5):1093-7
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  • Neoplastic lesions from 36 patients with IBD were reviewed retrospectively, including 13 adenocarcinomas (1 mucinous and 12 conventional), 28 dysplasias [1 traditional serrated adenoma (TSA) and 27 conventional adenomas] and 1 hyperplastic polyp (HP).
  • The mucinous adenocarcinoma, close to the TSA, exhibited the BRAF mutation and MSI with loss of hMLH1.
  • Serrated lesions exist in the inflammatory mucosa of IBD and are associated with a characteristic molecular profile, i.e. the appearance of the BRAF mutation as early as the hyperplastic polyp stage followed by MSI at the carcinoma stage.
  • [MeSH-minor] Adenocarcinoma / genetics. Adenocarcinoma / pathology. Adenoma / genetics. Adenoma / pathology. CpG Islands / genetics. DNA Methylation. DNA Mismatch Repair. DNA, Neoplasm / analysis. Humans. Microsatellite Instability. Mutation. Phenotype. Precancerous Conditions / genetics. Precancerous Conditions / pathology. Retrospective Studies. Signal Transduction


53. Chen LH, Cao HJ, Zhang H, Shan GD, Zhang BL, Jiang LL, Li L, Chen HT, Fang Y, Cheng Y, Wu CJ, Li YM: [Diagnostic values of double-balloon enteroscopy and abdominal computed tomography in small bowel disease]. Zhonghua Yi Xue Za Zhi; 2008 Dec 16;88(46):3305-8
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  • RESULTS: Seventeen kinds of small bowel lesions were detected, mainly including Crohn's disease, adenocarcinoma, gastrointestinal stroma tumor, vascular deformity, lymphoma, diverticulum, and polyp.
  • The positive diagnosis rate of DBE combined with CT was 62.9% (44/70), not significant different from that of the DBE alone (P > 0.05).
  • CONCLUSION: DBE shows a significantly higher diagnostic yield than CT in patients with suspected small bowel disease, and thus should be selected for the initial diagnosis.
  • [MeSH-major] Intestinal Diseases / diagnosis. Intestinal Diseases / radiography. Intestine, Small / radiography

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  • (PMID = 19159561.001).
  • [ISSN] 0376-2491
  • [Journal-full-title] Zhonghua yi xue za zhi
  • [ISO-abbreviation] Zhonghua Yi Xue Za Zhi
  • [Language] chi
  • [Publication-type] Comparative Study; English Abstract; Journal Article
  • [Publication-country] China
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54. Rodríguez Salas N, González Paz C, Rivera T, López Alfonso A, Martín Marino A, Lara Alvarez MA: Colonic anastomosis and colonic polyp mucosal metastasis of signet ring cell gastric adenocarcinoma. Clin Transl Oncol; 2010 Mar;12(3):238-9
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  • [Title] Colonic anastomosis and colonic polyp mucosal metastasis of signet ring cell gastric adenocarcinoma.
  • We present a clinical report of a patient diagnosed with a gastric multifocal signet ring cell adenocarcinoma without any evidence of visceral dissemination with the exception of mucosal infiltration of signet ring cell adenocarcinoma in a colonic polyp and in the mucosa of previous colonic anastomosis.
  • [MeSH-major] Anastomosis, Surgical. Carcinoma, Signet Ring Cell / secondary. Colonic Polyps / pathology. Colorectal Neoplasms / secondary. Neoplasms, Second Primary / pathology. Stomach Neoplasms / pathology
  • [MeSH-minor] Adenocarcinoma / pathology. Adenocarcinoma / surgery. Aged, 80 and over. Diabetes Mellitus, Type 2 / complications. Humans. Hypertension, Pulmonary / complications. Idiopathic Pulmonary Fibrosis / complications. Kidney Failure, Chronic / complications. Male. Myocardial Ischemia / complications. Pulmonary Embolism / complications. Sigmoid Neoplasms / pathology. Sigmoid Neoplasms / surgery

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  • [ISSN] 1699-3055
  • [Journal-full-title] Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico
  • [ISO-abbreviation] Clin Transl Oncol
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55. Dobrow MJ, Cooper MA, Gayman K, Pennington J, Matthews J, Rabeneck L: Referring patients to nurses: outcomes and evaluation of a nurse flexible sigmoidoscopy training program for colorectal cancer screening. Can J Gastroenterol; 2007 May;21(5):301-8
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  • Classifying the six patients according to the most advanced polyp histology, one patient had a negative colonoscopy (no polyps found), one patient's polyps were hyperplastic, one had a tubular adenoma, two had advanced neoplasia (tubulovillous adenomas) and one had adenocarcinoma.
  • [MeSH-major] Colorectal Neoplasms / diagnosis. Curriculum. Education, Nursing / organization & administration. Sigmoidoscopy / nursing

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  • (PMID = 17505566.001).
  • [ISSN] 0835-7900
  • [Journal-full-title] Canadian journal of gastroenterology = Journal canadien de gastroenterologie
  • [ISO-abbreviation] Can. J. Gastroenterol.
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] Canada
  • [Number-of-references] 42
  • [Other-IDs] NLM/ PMC2657712
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56. Selcuk H, Korkmaz M, Kanbay M, Tore E, Sumer H, Unal H, Yeloglu O, Gur G, Bilezikci B, Demirhan B, Yilmaz U, Boyacioglu S: Total colonic polyp diameter: a marker for the risk of malignancy? Hepatogastroenterology; 2008 May-Jun;55(84):936-9
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  • [Title] Total colonic polyp diameter: a marker for the risk of malignancy?
  • The "total polyp diameter" (i.e. the sum of all polyp diameters identified during colonoscopy), which was calculated in each patient by adding the diameter of each polyp to a sum, was categorized as "small" (<10mm in diameter) or "large" (> or =10mm in diameter).
  • The polyps were further categorized by histopathologic component as "unfavorable" or "favorable" and were divided into 2 groups: group 1 (those identified as carci noma, carcinoma in situ, villous adenoma, and tubulovillous adenoma with a villous component of more than 25%) and group 2 (mixed adenomatous polyps with various degrees of hyperplastic or inflammatory components and adenomas with a tubular component of more than 75%).
  • [MeSH-minor] Adenocarcinoma / pathology. Adenoma, Villous / pathology. Adenomatous Polyps / pathology. Adult. Aged. Aged, 80 and over. Carcinoma in Situ / pathology. Colonoscopy. Female. Humans. Male. Middle Aged. Prognosis. Risk Factors

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  • (PMID = 18705301.001).
  • [ISSN] 0172-6390
  • [Journal-full-title] Hepato-gastroenterology
  • [ISO-abbreviation] Hepatogastroenterology
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Greece
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57. Soslow RA, Bissonnette JP, Wilton A, Ferguson SE, Alektiar KM, Duska LR, Oliva E: Clinicopathologic analysis of 187 high-grade endometrial carcinomas of different histologic subtypes: similar outcomes belie distinctive biologic differences. Am J Surg Pathol; 2007 Jul;31(7):979-87
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  • SCs were most likely to have high-stage disease at presentation (>or=stage IIB; P=0.01), with peritoneal dissemination at diagnosis being much more common compared with EC-3s and CCs (P=0.004).
  • When controlling for stage, race, reproductive history, personal history of cancer, histologic subtype, depth of myometrial invasion, lymphovascular invasion, presence of an endometrial polyp, presence of hyperplasia, or staging adequacy did not affect prognosis.
  • [MeSH-major] Adenocarcinoma / secondary. Endometrial Neoplasms / pathology
  • [MeSH-minor] Adenocarcinoma, Clear Cell / mortality. Adenocarcinoma, Clear Cell / secondary. Adenocarcinoma, Clear Cell / surgery. Aged. Carcinoma, Endometrioid / mortality. Carcinoma, Endometrioid / secondary. Carcinoma, Endometrioid / surgery. Cystadenocarcinoma, Serous / mortality. Cystadenocarcinoma, Serous / secondary. Cystadenocarcinoma, Serous / surgery. Ethnic Groups. Female. Humans. Massachusetts / epidemiology. Middle Aged. Neoplasm Staging. New York / epidemiology. Prognosis

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  • (PMID = 17592263.001).
  • [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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58. Sung HY, Cheung DY, Cho SH, Kim JI, Park SH, Han JY, Park GS, Kim JK, Chung IS: Polyps in the gastrointestinal tract: discrepancy between endoscopic forceps biopsies and resected specimens. Eur J Gastroenterol Hepatol; 2009 Feb;21(2):190-5
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  • BACKGROUND AND AIM: An endoscopic forceps biopsy (EFB) carries the risk of missing the neoplastic foci within a polyp as only a small portion of the lesion is sampled using this technique.
  • All patients underwent an EFB and resection of the polyp by endoscopic mucosal resection and endoscopic submucosal dissection.
  • No relationship between the size of the gastric polyp and the concordance rate was observed.
  • No relationship between the size of the colon polyp and the concordance rate was observed.
  • Therefore, complete removal of the entire polyp is recommended to confirm the diagnosis, to remove precancerous lesions, and to develop an optimal management plan.
  • [MeSH-minor] Adenocarcinoma / pathology. Adenocarcinoma / surgery. Adenoma / pathology. Adenoma / surgery. Aged. Biopsy. Colonic Polyps / pathology. Colonic Polyps / surgery. Endoscopy, Gastrointestinal. Female. Humans. Male. Middle Aged. Precancerous Conditions / pathology. Precancerous Conditions / surgery. Prospective Studies. Reproducibility of Results. Stomach Neoplasms / pathology. Stomach Neoplasms / surgery

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  • (PMID = 19092673.001).
  • [ISSN] 1473-5687
  • [Journal-full-title] European journal of gastroenterology & hepatology
  • [ISO-abbreviation] Eur J Gastroenterol Hepatol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
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59. Ramos O Jr, Boguszewski CL, Teixeira S, De Bem R, Parolim B, Prolla JC: Performance of computed tomographic colonography for the screening of colorectal polyp in acromegalic patients: a prospective study. Arq Gastroenterol; 2009 Apr-Jun;46(2):90-6
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  • [Title] Performance of computed tomographic colonography for the screening of colorectal polyp in acromegalic patients: a prospective study.
  • Computed tomographic colonography, also known as virtual colonoscopy, is an innovative and secure technology which is revolutionizing the diagnosis of colon and rectum neoplasias.
  • In Phase II ('per polyp'), out of the 21 acromegalic patients included in this study, 12 presented normal findings at conventional colonoscopy.
  • The histological analysis of resected lesions revealed 12 tubular adenomas, 6 hyperplastic polyps and 1 colonic tubulo-villous adenoma with an adenocarcinoma focus.
  • Moreover, computed tomographic colonography presented good sensitivity, specificity and accuracy for the identification of acromegalic patients with polyps of any size and better results in the diagnosis of large polyps, when they were compared to small polypoid lesions.

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  • [CommentIn] Arq Gastroenterol. 2009 Apr-Jun;46(2):85-6 [19578605.001]
  • (PMID = 19578607.001).
  • [ISSN] 1678-4219
  • [Journal-full-title] Arquivos de gastroenterologia
  • [ISO-abbreviation] Arq Gastroenterol
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Brazil
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60. Srilatha PS, Roy A: Villoglandular papillary adenocarcinoma of cervix associated with cervical intraepithelial neoplasia: a case report and review of literature. Indian J Pathol Microbiol; 2007 Oct;50(4):819-21
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  • [Title] Villoglandular papillary adenocarcinoma of cervix associated with cervical intraepithelial neoplasia: a case report and review of literature.
  • Well differentiated villoglandular adenocarcinoma of uterine cervix is a rare tumour which usually occurs in young women.
  • Physical examination revealed a cervical polyp.
  • Histopathological findings were consistent with villoglandular papillary adenocarcinoma associated with high grade cervical intraepithelial neoplasia (CIN-3).
  • [MeSH-major] Adenocarcinoma, Papillary / complications. Adenocarcinoma, Papillary / pathology. Cervical Intraepithelial Neoplasia / complications. Cervical Intraepithelial Neoplasia / pathology. Uterine Cervical Neoplasms / complications. Uterine Cervical Neoplasms / pathology


61. Pickhardt PJ, Schumacher C, Kim DH: Polyp detection at 3-dimensional endoluminal computed tomography colonography: sensitivity of one-way fly-through at 120 degrees field-of-view angle. J Comput Assist Tomogr; 2009 Jul-Aug;33(4):631-5
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  • [Title] Polyp detection at 3-dimensional endoluminal computed tomography colonography: sensitivity of one-way fly-through at 120 degrees field-of-view angle.
  • PURPOSE: To investigate whether increasing the visual field-of-view (FOV) angle at 3-dimensional (3D) endoluminal computed tomography colonography (CTC) from 90 degrees to 120 degrees allows for single pass fly-through examination of the supine and prone views without sacrificing polyp detection.
  • CONCLUSIONS: Increasing the visual FOV angle to 120 degrees allows for a decrease in the total number of supine and prone 3D endoluminal fly-through passes from 4 to 2 without negatively impacting overall polyp detection.
  • [MeSH-major] Adenocarcinoma / radiography. Adenomatous Polyps / radiography. Colonic Neoplasms / radiography. Colonic Polyps / radiography. Colonography, Computed Tomographic / methods. Imaging, Three-Dimensional / methods. Radiographic Image Enhancement / methods

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  • (PMID = 19638863.001).
  • [ISSN] 1532-3145
  • [Journal-full-title] Journal of computer assisted tomography
  • [ISO-abbreviation] J Comput Assist Tomogr
  • [Language] eng
  • [Publication-type] Evaluation Studies; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Contrast Media
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62. Conscience I, Perceau G, Le Berruyer PY, Bernard P: [Bilateral breast bacterial cellulite secondary to Streptococcus agalactiae septicemia]. Ann Dermatol Venereol; 2006 Feb;133(2):171-3
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  • Histological examination of a sigmoid polyp revealed a tubular adenocarcinoma.
  • [MeSH-minor] Adenocarcinoma / complications. Adenocarcinoma / surgery. Aged. Amoxicillin / administration & dosage. Amoxicillin / therapeutic use. Anti-Bacterial Agents / administration & dosage. Anti-Bacterial Agents / therapeutic use. Anti-Infective Agents / administration & dosage. Anti-Infective Agents / therapeutic use. Clavulanic Acid / administration & dosage. Clavulanic Acid / therapeutic use. Colonic Polyps / diagnosis. Colonic Polyps / surgery. Colonoscopy. Drug Therapy, Combination. Female. Humans. Metronidazole / administration & dosage. Metronidazole / therapeutic use. Rifampin / administration & dosage. Rifampin / therapeutic use. Sigmoid Neoplasms / complications. Sigmoid Neoplasms / diagnosis. Sigmoid Neoplasms / surgery. Time Factors. Treatment Outcome

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  • (PMID = 16508605.001).
  • [ISSN] 0151-9638
  • [Journal-full-title] Annales de dermatologie et de vénéréologie
  • [ISO-abbreviation] Ann Dermatol Venereol
  • [Language] fre
  • [Publication-type] Case Reports; English Abstract; Journal Article
  • [Publication-country] France
  • [Chemical-registry-number] 0 / Anti-Bacterial Agents; 0 / Anti-Infective Agents; 140QMO216E / Metronidazole; 23521W1S24 / Clavulanic Acid; 804826J2HU / Amoxicillin; VJT6J7R4TR / Rifampin
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63. Kawase R, Nagata S, Onoyama M, Nakayama N, Honda Y, Kuwahara K, Kimura S, Tsuji K, Ohgoshi H, Sakatani A, Kaneko M, Ito M, Shimamoto F, Hidaka T: A case of gastric adenocarcinoma arising from a fundic gland polyp. Clin J Gastroenterol; 2009 Aug;2(4):279-283
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  • [Title] A case of gastric adenocarcinoma arising from a fundic gland polyp.
  • A rare case of gastric adenocarcinoma arising on the surface of a fundic gland polyp is reported.
  • A 36-year-old Japanese woman was referred to our hospital for examination and treatment of a polyp that had been detected in another hospital.
  • She did not have a history of familial adenomatous polyposis (FAP).
  • Endoscopic examination revealed a 10-mm-diameter fundic gland polyp in the body of the stomach.
  • The polyp had an irregular depression on its top, suggesting the presence of malignancy.
  • Endoscopic mucosal resection was done to make a histological diagnosis.
  • This revealed a fundic gland polyp with a tiny superficial adenocarcinoma.

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  • [Cites] Clin Gastroenterol Hepatol. 2008 Feb;6(2):180-5 [18237868.001]
  • [Cites] Gut. 2002 Nov;51(5):742-5 [12377817.001]
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  • (PMID = 26192425.001).
  • [ISSN] 1865-7257
  • [Journal-full-title] Clinical journal of gastroenterology
  • [ISO-abbreviation] Clin J Gastroenterol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Japan
  • [Keywords] NOTNLM ; Adenocarcinoma / Fundic gland polyp / Helicobacter pylori
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64. Adedipe TO, Vine SJ: Mullerian adenosarcoma of the uterus: a rare neoplasm with a need for onco-fertility. Eur J Gynaecol Oncol; 2010;31(6):714-6
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  • Her initial symptoms were thought to be due to a removed fibroid polyp with histological confirmation.
  • However at the second presentation, following a polypectomy, a diagnosis of low-grade mullerian adenocarcinoma of the uterine body was made.
  • She remains well under clinical surveillance in a multidisciplinary team setting.

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  • (PMID = 21319526.001).
  • [ISSN] 0392-2936
  • [Journal-full-title] European journal of gynaecological oncology
  • [ISO-abbreviation] Eur. J. Gynaecol. Oncol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Italy
  • [Chemical-registry-number] Adenosarcoma of the uterus
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65. Imperiale TF, Glowinski EA, Lin-Cooper C, Larkin GN, Rogge JD, Ransohoff DF: Five-year risk of colorectal neoplasia after negative screening colonoscopy. N Engl J Med; 2008 Sep 18;359(12):1218-24
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  • Findings were categorized according to the most advanced lesion present: no polyp, a hyperplastic polyp, a tubular adenoma less than 1 cm in diameter, an advanced adenoma (a tubular adenoma > or = 1 cm in diameter or a polyp with villous histologic features or high-grade dysplasia), or a cancer.
  • The risk of an advanced adenoma did not differ significantly between persons with no polyps at baseline and those with hyperplastic polyps at baseline (1.1% [12 of 1057] and 2.0% [4 of 199], respectively; P=0.30).
  • Men were more likely than women to have any adenoma (tubular less than 1 cm in diameter or advanced) (relative risk, 1.88; 95% CI, 1.42 to 2.51) and to have an advanced adenoma (relative risk, 3.31; 95% CI, 1.02 to 10.8).
  • The risk of advanced adenoma is also low, although it is higher among men than among women.
  • [MeSH-major] Adenocarcinoma / epidemiology. Adenoma / epidemiology. Colonic Polyps / epidemiology. Colonoscopy. Colorectal Neoplasms / epidemiology

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  • [Copyright] 2008 Massachusetts Medical Society
  • [CommentIn] N Engl J Med. 2008 Dec 11;359(24):2611; author reply 2612 [19090029.001]
  • [CommentIn] N Engl J Med. 2008 Dec 11;359(24):2611; author reply 2612 [19073983.001]
  • [CommentIn] N Engl J Med. 2008 Sep 18;359(12):1285-7 [18799563.001]
  • [CommentIn] N Engl J Med. 2008 Dec 11;359(24):2611-2; author reply 2612 [19090030.001]
  • [ErratumIn] N Engl J Med. 2009 Nov 12;361(20):2004
  • (PMID = 18799558.001).
  • [ISSN] 1533-4406
  • [Journal-full-title] The New England journal of medicine
  • [ISO-abbreviation] N. Engl. J. Med.
  • [Language] eng
  • [Grant] United States / NIDDK NIH HHS / DK / K24 DK02756
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural
  • [Publication-country] United States
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66. Mosca F, Stracqualursi A, Persi A, Portale TR, Zappalà O, Latteri S: Multiple primary malignancies. A rare case of five metachronous tumours. G Chir; 2005 Aug-Sep;26(8-9):302-6
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  • The Authors report on a patient admitted several times for the occurrence of five multiple metachronous primary malignancies (laryngeal carcinoma, endometrial adenocarcinoma, rectal cancerous polyp, Vaterpapilla carcinoma and transverse colon cancer).

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  • (PMID = 16329771.001).
  • [ISSN] 0391-9005
  • [Journal-full-title] Il Giornale di chirurgia
  • [ISO-abbreviation] G Chir
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Italy
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67. Somasekar A, James L, Stephenson BM, Thompson IW, Vellacott KD, Allison MC: The value of auditing negative lower GI investigations preceding a final diagnosis of colorectal cancer. Colorectal Dis; 2009 Sep;11(7):740-4
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  • [Title] The value of auditing negative lower GI investigations preceding a final diagnosis of colorectal cancer.
  • OBJECTIVE: To review all preceding 'negative' large bowel investigations in patients with a final diagnosis of colorectal cancer, and to examine whether delayed diagnosis was associated with worse outcome.
  • METHOD: Details were gathered on all patients with a new diagnosis of colorectal adenocarcinoma presenting over 4.5 years.
  • For each patient the hospital's clinical workstation and radiology and endoscopy databases were interrogated for all flexible sigmoidoscopies, colonoscopies and barium enemas during the 5 years prior to diagnosis.
  • RESULTS: Among the 570 patients, 28 (5%) had undergone colonoscopy and/or flexible sigmoidoscopy that had not shown colorectal cancer during the 5 years preceding final diagnosis, and a further 28 (5%) had undergone 'negative' barium enemas.
  • Polyp surveillance might have missed four lesions destined to become malignant.
  • Among patients undergoing de novo colonoscopy for diagnosis the true miss rate was only one patient per year.
  • At August 2007, 29 (58%) of those with delayed diagnosis were still alive, compared with 216 (42%) of those diagnosed during initial investigation (chi2 = 5.04, P < 0.05).
  • Despite the delay, late diagnosis was found to be associated with improved survival and a lower likelihood of metastatic disease.
  • [MeSH-major] Adenocarcinoma / diagnosis. Colonic Neoplasms / diagnosis. Colonoscopy. Diagnostic Errors. Medical Audit. Rectal Neoplasms / diagnosis

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  • (PMID = 19708092.001).
  • [ISSN] 1463-1318
  • [Journal-full-title] Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland
  • [ISO-abbreviation] Colorectal Dis
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 24GP945V5T / Barium
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68. Chlumská A, Boudová L, Zámecník M: Sessile serrated adenomas of the large bowel. Clinicopathologic and immunohistochemical study including comparison with common hyperplastic polyps and adenomas. Cesk Patol; 2006 Jul;42(3):133-8
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  • Sessile serrated adenoma (SSA) is a newly characterized type of the large bowel adenoma.
  • It arises in hyperplastic polyp (HP) and represents a precursor lesion of colorectal carcinoma with microsatellite instability.
  • The sites of SSAs were as follows: 8 in rectum, 4 in rectosigmoid colon, 1 in transverse colon, 1 next to mucinous carcinoma of ascending colon, 1 in anastomosis after resection of the transverse colon adenocarcinoma.
  • High-grade dysplasia was found only in SSA adjacent to mucinous adenocarcinoma.
  • Both MUC2 and MUC5A were also positive in mucinous carcinoma.
  • [MeSH-major] Adenoma / pathology. Colonic Neoplasms / pathology. Intestinal Polyps / pathology. Rectal Neoplasms / pathology
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Biomarkers, Tumor / analysis. Carcinoma / pathology. Colonic Polyps / chemistry. Colonic Polyps / pathology. Female. Humans. Immunohistochemistry. Male. Middle Aged. Mucin 5AC. Mucin-2. Mucins / analysis. Neoplasms, Multiple Primary / pathology

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  • (PMID = 16955561.001).
  • [ISSN] 1210-7875
  • [Journal-full-title] Československá patologie
  • [ISO-abbreviation] Cesk Patol
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] Czech Republic
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / MUC2 protein, human; 0 / MUC5AC protein, human; 0 / Mucin 5AC; 0 / Mucin-2; 0 / Mucins
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69. Leman ES, Schoen RE, Weissfeld JL, Cannon GW, Sokoll LJ, Chan DW, Getzenberg RH: Initial analyses of colon cancer-specific antigen (CCSA)-3 and CCSA-4 as colorectal cancer-associated serum markers. Cancer Res; 2007 Jun 15;67(12):5600-5
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  • Individuals who underwent colonoscopy were classified into mutually exclusive categories, including normal colon, hyperplastic polyp, nonadvanced adenoma, and advanced adenoma.
  • The sensitivity for detection of the combined end point of colorectal cancer and advanced adenoma for CCSA-3 was 89.1% [95% confidence interval (95% CI), 76.4-96.4%] and for CCSA-4 was 84.8% (95% CI, 71.1-93.7%) and 91.3% (95% CI, 79.2-97.6%) for either marker positive.
  • [MeSH-major] Adenocarcinoma / blood. Adenoma / blood. Antigens, Neoplasm / blood. Biomarkers, Tumor / blood. Colonic Neoplasms / blood

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  • [RetractionIn] Schoen RE, Weissfeld JL, Sokoll LJ, Chan DW, Cannon GW, Getzenberg RH. Cancer Res. 2013 Jan 15;73(2):1034 [23271721.001]
  • (PMID = 17575123.001).
  • [ISSN] 0008-5472
  • [Journal-full-title] Cancer research
  • [ISO-abbreviation] Cancer Res.
  • [Language] eng
  • [Grant] United States / NCI NIH HHS / CA / U01 CA084968
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't; Retracted Publication
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antigens, Neoplasm; 0 / Biomarkers, Tumor; 0 / colon-specific antigen
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70. Stănciulea O, Preda C, Herlea V, Popa M, Ulmeanu D, Vasilescu C: [Rare indication of cephalic duodenopancreatectomy with total gastrectomy--periampullary carcinoma in moderate form of familial adenomatous polyposis]. Chirurgia (Bucur); 2007 Mar-Apr;102(2):215-20
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  • [Title] [Rare indication of cephalic duodenopancreatectomy with total gastrectomy--periampullary carcinoma in moderate form of familial adenomatous polyposis].
  • We present the case of a 52 years old man, with significant familial history, diagnosed with familial adenomatous polyposis-attenuated form, with no clinical and endoscopic surveillance until 2001 when he was admitted for an upper gastrointestinal haemorrhage episode.
  • Upper gastrointestinal scopy revealed duodenal adenomatous polyps and gastric hyperplastic polyps.
  • The histopathological exam revealed duodenal G2 adenocarcinoma pT3N0, and gastric hyperplastic polyps with no signs of dysplasia.
  • In 2002 the patient was admitted for rectal bleeding and colonoscopy showed 2 sigmoid polyps, appropriate for endoscopic removal and a poly-lobate polyp in the transverse colon.
  • The patient underwent transverse colectomy (the histopathological exam--in situ carcinoma).
  • March 2003--the patient underwent endoscopic removal for a rectal polyp (histopathological exam: moderate dysplasia).
  • In 2005 was noted a pulmonary nodule, located in the postero-apical segment of upper left lobe, for which left superior lobe resection was performed (the histopathological exam: metastatic adenocarcinoma).
  • The surgical procedure recommended in patients with attenuated form of familial adenomatous polyposis and suspect periampullary lesions is duodenopancreatectomy.
  • [MeSH-major] Adenomatous Polyposis Coli / surgery. Carcinoma / surgery. Duodenal Neoplasms / surgery. Gastrectomy. Neoplasms, Multiple Primary / surgery. Pancreaticoduodenectomy / methods


71. Sandmeier D, Seelentag W, Bouzourene H: Serrated polyps of the colorectum: is sessile serrated adenoma distinguishable from hyperplastic polyp in a daily practice? Virchows Arch; 2007 Jun;450(6):613-8
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  • [Title] Serrated polyps of the colorectum: is sessile serrated adenoma distinguishable from hyperplastic polyp in a daily practice?
  • One SSA of our series showed low-grade dysplasia supporting the concept that this lesion might be a precursor of serrated adenocarcinoma.
  • [MeSH-major] Adenoma / pathology. Colonic Polyps / pathology. Colorectal Neoplasms / pathology. Intestinal Polyps / pathology. Rectal Diseases / pathology
  • [MeSH-minor] Diagnosis, Differential. Female. Humans. Hyperplasia. Male. Middle Aged. Reproducibility of Results. Retrospective Studies


72. Simmen FA, Frank JA, Wu X, Xiao R, Hennings LJ, Prior RL: Lack of efficacy of blueberry in nutritional prevention of azoxymethane-initiated cancers of rat small intestine and colon. BMC Gastroenterol; 2009 Sep 16;9:67
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  • There was a tendency (0.1 > P > 0.05) for fewer adenocarcinomas (relative to total of adenomatous polyps plus adenocarcinomas) in colons of female than male tumor-bearing rats; in small intestine, this gender difference was significant (P < 0.05).
  • BB favored (P < 0.05) fewer adenocarcinomas and more adenomatous polyps (as a proportion of total tumor number) in female rat small intestine.
  • Data indicate the potential for slowing tumor progression (adenomatous polyp to adenocarcinoma) by BB.

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  • (PMID = 19758446.001).
  • [ISSN] 1471-230X
  • [Journal-full-title] BMC gastroenterology
  • [ISO-abbreviation] BMC Gastroenterol
  • [Language] ENG
  • [Grant] United States / NCI NIH HHS / CB / N02-CB-07008
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural; Research Support, U.S. Gov't, Non-P.H.S.
  • [Publication-country] England
  • [Chemical-registry-number] 0 / C-Peptide; MO0N1J0SEN / Azoxymethane
  • [Other-IDs] NLM/ PMC2752457
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73. Ashton-Sager A, Wu ML: Incidental rectal mucosa obtained via transrectal ultrasound-guided prostatic core biopsies. Int J Surg Pathol; 2007 Jan;15(1):26-30
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  • Material from 114 biopsies (14.6%) showed rectal mucosa, and material from 19 (16.7%) showed rectal pathology, including a hyper-plastic polyp in 1, changes consistent with ulcerative proctitis in 8, focal active proctitis in 7, and granulomas in 3.
  • The original pathologist overlooked the hyperplastic polyp.
  • In 1 specimen, rectal lymphocytes and plasma cells that were displaced over prostatic tissue closely mimicked prostatic adenocarcinoma (Gleason score 5).
  • Conversely, in another specimen, prostatic adenocarcinoma (Gleason score 5) that was displaced near rectal mucosa closely mimicked a rectal lymphoid aggregate.
  • [MeSH-minor] Adenocarcinoma / diagnosis. Aged. Aged, 80 and over. Endosonography. Humans. Incidental Findings. Male. Middle Aged. Prostatic Neoplasms / diagnosis. Rectum. Retrospective Studies

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  • (PMID = 17172494.001).
  • [ISSN] 1066-8969
  • [Journal-full-title] International journal of surgical pathology
  • [ISO-abbreviation] Int. J. Surg. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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74. Simsek BC, Pehlivan S, Karaoglu A: Human telomerase reverse transcriptase expression in colorectal tumors: correlations with immunohistochemical expression and clinicopathologic features. Ann Diagn Pathol; 2010 Dec;14(6):413-7
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  • The aim of the present study is to investigate immunohistochemical hTERT expression and its relationship with the clinicopathologic features in a spectrum of colorectal tumors.
  • In this study, hTERT expression was determined in HP (n = 20), adenomatous polyp (AP) (n = 20), colorectal adenocarcinomas (n = 20), and normal mucosa (n = 20) by immunohistochemical method.
  • There was no significant association of hTERT expression in cancerous, precancerous, or normal mucosa related to clinicopathologic parameters including age, sex, and size of lesion, (P > .05), but only association with histologic grade for carcinoma was found (P < .05).
  • Levels of hTERT by immunohistochemistry demonstrated that the expression of hTERT was very little in normal mucosa and HP, moderate in AP, and highest in carcinoma.
  • [MeSH-major] Adenocarcinoma / metabolism. Adenoma / metabolism. Adenomatous Polyps / metabolism. Colorectal Neoplasms / metabolism. Telomerase / metabolism

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  • [Copyright] Copyright © 2010 Elsevier Inc. All rights reserved.
  • (PMID = 21074689.001).
  • [ISSN] 1532-8198
  • [Journal-full-title] Annals of diagnostic pathology
  • [ISO-abbreviation] Ann Diagn Pathol
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; EC 2.7.7.49 / TERT protein, human; EC 2.7.7.49 / Telomerase
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75. Wachtel MS, Haynes AL 3rd, Griswold JA: Signet ring, high grade, and undifferentiated colorectal adenocarcinomas differ. J Surg Res; 2010 Oct;163(2):250-6
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  • BACKGROUND: Studies with limited sample sizes have found colorectal signet ring carcinoma (SRC), to be prognostically similar to high grade adenocarcinoma (HGA); the relationship of these tumors to undifferentiated adenocarcinoma (UND) has not yet been fully elucidated.
  • RESULTS: SRC, compared with HGA, was more likely to (1) be confined to an in situ stage or within a polyp, (2) have invaded visceral peritoneum, (3) have spread to contiguous organs, and (4) have metastasized.
  • [MeSH-major] Adenocarcinoma / pathology. Carcinoma, Signet Ring Cell / pathology. Colorectal Neoplasms / pathology

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  • [Copyright] Copyright © 2010 Elsevier Inc. All rights reserved.
  • (PMID = 20538291.001).
  • [ISSN] 1095-8673
  • [Journal-full-title] The Journal of surgical research
  • [ISO-abbreviation] J. Surg. Res.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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76. Ausch C, Kim YH, Tsuchiya KD, Dzieciatkowski S, Washington MK, Paraskeva C, Radich J, Grady WM: Comparative analysis of PCR-based biomarker assay methods for colorectal polyp detection from fecal DNA. Clin Chem; 2009 Aug;55(8):1559-63
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  • [Title] Comparative analysis of PCR-based biomarker assay methods for colorectal polyp detection from fecal DNA.
  • [MeSH-major] Adenocarcinoma / diagnosis. Adenoma / diagnosis. Colorectal Neoplasms / diagnosis. DNA / analysis. DNA Methylation. Feces / chemistry. Polymerase Chain Reaction / methods

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  • (PMID = 19541867.001).
  • [ISSN] 1530-8561
  • [Journal-full-title] Clinical chemistry
  • [ISO-abbreviation] Clin. Chem.
  • [Language] eng
  • [Publication-type] Comparative Study; Evaluation Studies; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 143198-26-9 / Integrin alpha4; 9007-49-2 / DNA
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77. Dotto J, Tavassoli FA: Serous intraepithelial carcinoma arising in an endometrial polyp: a proposal for modification of terminology. Int J Surg Pathol; 2008 Jan;16(1):8-10
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  • [Title] Serous intraepithelial carcinoma arising in an endometrial polyp: a proposal for modification of terminology.
  • [MeSH-major] Adenocarcinoma / classification. Carcinoma in Situ / classification. Endometrial Neoplasms / classification. Endometrium / pathology. Polyps / pathology

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  • (PMID = 18203776.001).
  • [ISSN] 1066-8969
  • [Journal-full-title] International journal of surgical pathology
  • [ISO-abbreviation] Int. J. Surg. Pathol.
  • [Language] eng
  • [Publication-type] Case Reports; Editorial
  • [Publication-country] United States
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78. Gurudu SR, Heigh RI, De Petris G, Heigh EG, Leighton JA, Pasha SF, Malagon IB, Das A: Sessile serrated adenomas: demographic, endoscopic and pathological characteristics. World J Gastroenterol; 2010 Jul 21;16(27):3402-5
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  • AIM: To study the demographic and endoscopic characteristics of patients with sessile serrated adenoma (SSA) in a single center.
  • A retrospective chart review was performed to extract data on demographics, polyp characteristics, presence of synchronous adenomatous polyps or cancer, polypectomy methods, and related complications.
  • Approximately half of the patients had synchronous polyps of other histological types, including hyperplastic and adenomatous polyps.
  • Synchronous adenocarcinoma was present in seven (4%) cases.
  • [MeSH-major] Adenoma / pathology. Colorectal Neoplasms / pathology. Polyps / pathology

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  • (PMID = 20632442.001).
  • [ISSN] 2219-2840
  • [Journal-full-title] World journal of gastroenterology
  • [ISO-abbreviation] World J. Gastroenterol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] China
  • [Other-IDs] NLM/ PMC2904886
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79. Sánchez-Fayos Calabuig P, Martín Relloso MJ, Porres Cubero JC: [Genetic profile and molecular bases of pancreatic carcinogenesis]. Gastroenterol Hepatol; 2007 Dec;30(10):592-6
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  • The possibility that carcinogenesis is a multiphasic process has been well demonstrated in colorectal cancer, at least in cancers arising from a benign adenomatous polyp.
  • However, because of the difficulty of performing histopathological studies of the pancreas, the multiphasic nature of carcinogenesis is proving more difficult to demonstrate in pancreatic ductal adenocarcinoma (d-ADC), although a series of findings, reviewed in the present article, strongly support this characteristic.
  • Lastly, there is the suspicion that the mutations defining this genetic-molecular profile appear gradually, in a certain sequence, throughout the stages of progression.
  • [MeSH-minor] Adenocarcinoma / genetics. Humans. Molecular Biology

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  • (PMID = 18028855.001).
  • [ISSN] 0210-5705
  • [Journal-full-title] Gastroenterología y hepatología
  • [ISO-abbreviation] Gastroenterol Hepatol
  • [Language] spa
  • [Publication-type] English Abstract; Journal Article; Review
  • [Publication-country] Spain
  • [Number-of-references] 51
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80. Barreda Costa C, Vila Gutierrez S, Salazar Cabrera F, Barriga Calle E, Velarde Criado H, Barriga Briceño J: [Advanced adenoma in 3700 colonoscopies]. Rev Gastroenterol Peru; 2010 Apr-Jun;30(2):113-20
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  • [Title] [Advanced adenoma in 3700 colonoscopies].
  • [Transliterated title] Adenomas avanzados en 3,700 colonoscopías.
  • Each polyp was studied separately and its histological findings recorded.
  • 997 (27%) had adenomatous polyps and 495 (13.4%) non adenomatous polyps.
  • Adenomatous polyps were found throughout the colon, with a predominance of hyperplasic polyps in the rectum.
  • 78% of the adenomatous polyps and 84% of the advanced adenomas were found in patients older than 50 years old.
  • In the advanced adenomas group, we found 62 lesions (24%) with high grade dysplasia and 12 (4.5%) with early carcinoma; as well as 37 flat lesions (14%) and 26 serrated adenomas (10%).
  • In this group of patients, significant risk factors were: prior history of adenomas or colorectal cancer (46/203 vs. 63/495; p<0.01), and multiple adenomatous polyps found during colonoscopy (67/203 vs. 121/794; p<0.01).
  • CONCLUSIONS: Adenomatous polyps were the most frequently found polyps in our study; approximately 20% were advanced lesions, especially in patients older than 50 years old.
  • [MeSH-major] Adenocarcinoma / epidemiology. Adenoma / epidemiology. Colonic Neoplasms / epidemiology. Colonic Polyps / epidemiology. Colonoscopy / statistics & numerical data. Rectal Neoplasms / epidemiology
  • [MeSH-minor] Adenomatous Polyps / diagnosis. Adenomatous Polyps / epidemiology. Adenomatous Polyps / pathology. Adult. Age Factors. Aged. Aged, 80 and over. Early Diagnosis. Humans. Hyperplasia. Middle Aged. Motivation. Neoplasms, Multiple Primary / diagnosis. Neoplasms, Multiple Primary / epidemiology. Neoplasms, Multiple Primary / pathology. Organ Specificity. Peru / epidemiology. Prospective Studies. Young Adult

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  • (PMID = 20644602.001).
  • [ISSN] 1609-722X
  • [Journal-full-title] Revista de gastroenterología del Perú : órgano oficial de la Sociedad de Gastroenterología del Perú
  • [ISO-abbreviation] Rev Gastroenterol Peru
  • [Language] spa
  • [Publication-type] English Abstract; Journal Article
  • [Publication-country] Peru
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81. Nagano K, Umeda Y, Senoh H, Gotoh K, Arito H, Yamamoto S, Matsushima T: Carcinogenicity and chronic toxicity in rats and mice exposed by inhalation to 1,2-dichloroethane for two years. J Occup Health; 2006 Nov;48(6):424-36
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  • The 2-yr exposure to DCE produced a dose-dependent increase in incidences of benign and malignant tumors, including subcutaneous fibroma, mammary gland fibroadenoma and peritoneal mesothelioma in male rats; subcutaneous fibroma and mammary gland adenoma, fibroadenoma and adenocarcinoma in female rats; and bronchiolo-alveolar adenoma and carcinoma, endometrial stromal polyp, mammary gland adenocarcinoma and hepatocellular adenoma in female mice.
  • The types of tumors and their target organs found in this study were consistent with those observed in rats and mice administered DCE by gavage in a NCI study.

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  • (PMID = 17179635.001).
  • [ISSN] 1341-9145
  • [Journal-full-title] Journal of occupational health
  • [ISO-abbreviation] J Occup Health
  • [Language] eng
  • [Publication-type] Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't
  • [Publication-country] Japan
  • [Chemical-registry-number] 0 / Carcinogens; 0 / Ethylene Dichlorides; 55163IJI47 / ethylene dichloride
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82. Iglesias D, Nejda N, Azcoita MM, Schwartz S Jr, González-Aguilera JJ, Fernández-Peralta AM: Effect of COX2 -765G&gt;C and c.3618A&gt;G polymorphisms on the risk and survival of sporadic colorectal cancer. Cancer Causes Control; 2009 Oct;20(8):1421-9
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  • COX2 overexpression has been detected in up to 90% of colon carcinomas, and its downregulation inhibits polyp formation.
  • [MeSH-major] Adenocarcinoma / genetics. Adenocarcinoma / mortality. Colorectal Neoplasms / genetics. Colorectal Neoplasms / mortality. Cyclooxygenase 2 / genetics. Polymorphism, Single Nucleotide

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  • (PMID = 19468846.001).
  • [ISSN] 1573-7225
  • [Journal-full-title] Cancer causes & control : CCC
  • [ISO-abbreviation] Cancer Causes Control
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Netherlands
  • [Chemical-registry-number] EC 1.14.99.1 / Cyclooxygenase 2; EC 1.14.99.1 / PTGS2 protein, human
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83. Xu J, Yang L, Guo Y, Zhao D, Wang L, Bai L: Perforation of sigmoid diverticulum following endoscopic polypectomy of an adenoma. BMJ Case Rep; 2010;2010
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  • [Title] Perforation of sigmoid diverticulum following endoscopic polypectomy of an adenoma.
  • There are a few reports in the literature describing adenocarcinoma arising within colonic diverticulum.
  • Endoscopic resection of the polyp poses a risk of perforation because of the lack of muscular coats in the diverticulum.

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  • (PMID = 22461856.001).
  • [ISSN] 1757-790X
  • [Journal-full-title] BMJ case reports
  • [ISO-abbreviation] BMJ Case Rep
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
  • [Other-IDs] NLM/ PMC3029913
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84. Augoff K, Rabczynski J, Tabola R, Czapla L, Ratajczak K, Grabowski K: Immunohistochemical study of decorin expression in polyps and carcinomas of the colon. Med Sci Monit; 2008 Oct;14(10):CR530-5
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  • It was hypothesized that physiological expression of decorin may be associated with cellular senescence of the colorectal mucosa and that its down-regulation, promoting an increase in cellular proliferation, could participate in the progression of adenoma to adenocarcinoma.
  • MATERIAL/METHODS: Tissue samples were obtained from 41 patients with different types of colonic polyps (6 hyperplastic adenomas, 34 neoplastic adenomas, and 1 adenomatous polyp with focal carcinoma) and 12 patients with colon cancer.
  • Weak decorin immunoreactivity in stroma adjacent to clusters of cancerous cells was also found in most cases of common types of adenocarcinoma, but not in adenocarcinoma mucinosum.
  • CONCLUSIONS: The expression of decorin may be involved in the differentiation of colonic polyps and reduced expression of decorin may abrogate the defensive potential of stromal tissue and promote the development of common types of colon carcinoma.

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  • (PMID = 18830193.001).
  • [ISSN] 1643-3750
  • [Journal-full-title] Medical science monitor : international medical journal of experimental and clinical research
  • [ISO-abbreviation] Med. Sci. Monit.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Poland
  • [Chemical-registry-number] 0 / DCN protein, human; 0 / Decorin; 0 / Extracellular Matrix Proteins; 0 / Proteoglycans
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85. Fu K, Sano Y: Images in clinical medicine. Progression of a pedunculated polyp. N Engl J Med; 2006 Nov 2;355(18):1912
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  • [Title] Images in clinical medicine. Progression of a pedunculated polyp.
  • [MeSH-major] Adenocarcinoma / pathology. Colonic Neoplasms / pathology. Colonic Polyps / pathology

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  • (PMID = 17079765.001).
  • [ISSN] 1533-4406
  • [Journal-full-title] The New England journal of medicine
  • [ISO-abbreviation] N. Engl. J. Med.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
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86. Wang LP, Yang GZ, Zhou ZY, Li L, Gao BL, Chen J: [Clinicopathologic features and proliferative status of colorectal serrated lesions: a study of 104 cases]. Zhonghua Bing Li Xue Za Zhi; 2009 Feb;38(2):100-5
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  • OBJECTIVE: To study the clinicopathologic features and proliferative status of colorectal hyperplastic polyp (HP), sessile serrated adenoma (SSA) and traditional serrated adenoma (TSA).
  • RESULTS: On the basis of morphologic examination, 60 cases were classified as HP, 20 cases as TSA, 11 cases as SSA, 7 cases as mixed HP/SSA/TSA, and 6 cases as mixed serrated polyp/adenoma and tubular adenoma.
  • The number and distribution of Ki-67 positive cells in SSA were similar to those in TSA but were significantly different from those in tubular adenoma and adenocarcinoma (chi2=34.601, P=0.000; chi2=63.077, P=0.000, respectively).
  • CONCLUSIONS: HP, SSA and TSA have their morphologic characteristics, with some overlapping features noted.
  • Diagnosis of SSA relies mostly on architectural rather than cytologic features.
  • In general, the proliferative index is lower in serrated adenoma (TSA or SSA) than in tubular adenoma.
  • [MeSH-major] Adenoma / pathology. Colorectal Neoplasms / pathology. Intestinal Polyps / pathology. Ki-67 Antigen / metabolism
  • [MeSH-minor] Adenocarcinoma / pathology. Adenoma, Villous / metabolism. Adenoma, Villous / pathology. Adult. Aged. Aged, 80 and over. Cell Proliferation. Diagnosis, Differential. Female. Humans. Male. Middle Aged. Young Adult


87. Díaz-Feijoo B, Gil-Moreno A, Puig O, Martínez-Palones JM, Xercavins J: Total laparoscopic radical trachelectomy with intraoperative sentinel node identification for early cervical stump cancer. J Minim Invasive Gynecol; 2005 Nov-Dec;12(6):522-4
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  • An endocervical polyp was found and excised.
  • The histopathologic examination showed a poorly differentiated adenocarcinoma.
  • [MeSH-major] Adenocarcinoma / surgery. Cervix Uteri / surgery. Uterine Cervical Neoplasms / surgery


88. Ragazzi M, Carbonara C, Rosai J: Nonneoplastic signet-ring cells in the gallbladder and uterine cervix. A potential source of overdiagnosis. Hum Pathol; 2009 Mar;40(3):326-31
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  • We describe 3 cases of nonneoplastic signet-ring cell change in ulcerated mucosa, 2 of them in the gallbladder and 1 in an endocervical polyp.
  • In the gallbladder cases, there were focal collections of signet-ring cells both on the mucosal surface and within the lumen of tubules, whereas in the endocervical polyp, the signet-ring cell aggregates were entirely confined to the mucosal surface.
  • A review of the literature disclosed only other 2 previously reported cases of benign signet-ring cell changes in the gallbladder and none--to the best of our knowledge--in an endocervical polyp.
  • Awareness of this phenomenon is of importance to avoid a potential overdiagnosis of signet-ring cell adenocarcinoma.
  • [MeSH-major] Carcinoma, Signet Ring Cell / diagnosis. Cervix Uteri / pathology. Diagnostic Errors / prevention & control. Gallbladder Diseases / pathology. Polyps / pathology. Uterine Cervical Diseases / diagnosis
  • [MeSH-minor] Adult. Diagnosis, Differential. Female. Humans. Hyperplasia. Keratins / metabolism. Male. Middle Aged. Mucous Membrane / pathology. Ulcer / pathology. Young Adult


89. Kefeli M, Gonullu G, Can B, Malatyalioglu E, Kandemir B: Metastasis of adenocarcinoma of the gall bladder to an endometrial polyp detected by endometrial curettage: case report and review of the literature. Int J Gynecol Pathol; 2009 Jul;28(4):343-6
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  • [Title] Metastasis of adenocarcinoma of the gall bladder to an endometrial polyp detected by endometrial curettage: case report and review of the literature.
  • Metastasis to the endometrial polyp from a distant primary tumor is rare.
  • Breast carcinoma is the most frequent extragenital cancer that metastasizes to the endometrial polyp.
  • We report the case of a 63-year-old with metastatic gall bladder adenocarcinoma involving endometrial polyps detected by endometrial curetting.
  • After this diagnosis, bone metastases were detected during radiologic screening.
  • Gastrointestinal tumor metastasis to an endometrial polyp is a very rare event, but if a patient with a known primary extragenital tumor has abnormal vaginal bleeding, the possibility of metastasis should be included in the differential diagnosis.
  • [MeSH-major] Adenocarcinoma / secondary. Endometrial Neoplasms / secondary. Gallbladder Neoplasms / pathology. Polyps / pathology

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  • (PMID = 19483630.001).
  • [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; Review
  • [Publication-country] United States
  • [Number-of-references] 24
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90. Salcedo R, Worschech A, Cardone M, Jones Y, Gyulai Z, Dai RM, Wang E, Ma W, Haines D, O'hUigin C, Marincola FM, Trinchieri G: MyD88-mediated signaling prevents development of adenocarcinomas of the colon: role of interleukin 18. J Exp Med; 2010 Aug 2;207(8):1625-36
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  • The inability of Myd88(-/-) mice to heal ulcers generated upon injury creates an altered inflammatory environment that induces early alterations in expression of genes encoding proinflammatory factors, as well as pathways regulating cell proliferation, apoptosis, and DNA repair, resulting in a dramatic increase in adenoma formation and progression to infiltrating adenocarcinomas with frequent clonal mutations in the beta-catenin gene.
  • However, upon AOM/DSS treatment Il18(-/-) and Il18r1(-/-) mice were more susceptible to colitis and polyp formation than wild-type mice, suggesting that the phenotype of Myd88(-/-) mice is, in part, a result of their inability to signal through the IL-18 receptor.

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  • (PMID = 20624890.001).
  • [ISSN] 1540-9538
  • [Journal-full-title] The Journal of experimental medicine
  • [ISO-abbreviation] J. Exp. Med.
  • [Language] ENG
  • [Grant] United States / CCR NIH HHS / RC / HHSN261200800001C; United States / NCI NIH HHS / CA / HHSN261200800001E; United States / PHS HHS / / HHSN261200800001E; United States / Intramural NIH HHS / /
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural; Research Support, N.I.H., Intramural
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Il18r1 protein, mouse; 0 / Interleukin-18; 0 / Interleukin-18 Receptor alpha Subunit; 0 / Myd88 protein, mouse; 0 / Myeloid Differentiation Factor 88; 0 / Receptors, Interleukin-1 Type I; 0 / STAT3 Transcription Factor; 0 / Stat3 protein, mouse; 0 / beta Catenin; 9042-14-2 / Dextran Sulfate; EC 1.14.99.- / Ptgs2 protein, mouse; EC 1.14.99.1 / Cyclooxygenase 2; EC 6.5.1.- / DNA Repair Enzymes; MO0N1J0SEN / Azoxymethane
  • [Other-IDs] NLM/ PMC2916129
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91. Lee B, Cook G, John L, Harrington K, Nutting C: Follicular thyroid carcinoma metastasis to the esophagus detected by 18FDG PET/CT. Thyroid; 2008 Feb;18(2):267-71
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  • [Title] Follicular thyroid carcinoma metastasis to the esophagus detected by 18FDG PET/CT.
  • A 55-year-old male with treated well-differentiated follicular thyroid carcinoma (FTC) had persistently raised thyroglobulin levels despite both negative whole-body CT scan and 131I scans.
  • A diagnostic endoscopy revealed a pedunculated esophageal polyp, which histological examination confirmed to be metastatic FTC.
  • [MeSH-major] Adenocarcinoma, Follicular / diagnosis. Esophageal Neoplasms / diagnosis. Fluorodeoxyglucose F18. Positron-Emission Tomography. Radiopharmaceuticals. Thyroid Neoplasms / pathology. Tomography, X-Ray Computed

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  • (PMID = 18279026.001).
  • [ISSN] 1050-7256
  • [Journal-full-title] Thyroid : official journal of the American Thyroid Association
  • [ISO-abbreviation] Thyroid
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Iodine Radioisotopes; 0 / Radiopharmaceuticals; 0Z5B2CJX4D / Fluorodeoxyglucose F18
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92. Mittal K, Da Costa D: Endometrial hyperplasia and carcinoma in endometrial polyps: clinicopathologic and follow-up findings. Int J Gynecol Pathol; 2008 Jan;27(1):45-8
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  • [Title] Endometrial hyperplasia and carcinoma in endometrial polyps: clinicopathologic and follow-up findings.
  • 1) to evaluate findings in follow-up hysterectomy specimens after a diagnosis of complex atypical hyperplasia or carcinoma in endometrial polyps (EMPs) for possible significance in management strategies; and 2)to identify features in these polyps, that are predictive of the presence of endometrial hyperplasia or carcinoma in subsequent hysterectomy.
  • Of the 29 patients with complex atypical hyperplasia within the polyp, 19 out of 29 (66%) patients had hyperplasia of the non-polyp endometrium, and adenocarcinoma was observed in 9 out of 29 (31%) patients on follow-up hysterectomy.
  • The percentage of polyp area involved by the hyperplasia was predictive of finding endometrial disorder in subsequent hysterectomy (P = 0.005).
  • Of the 8 patients with adenocarcinoma in situ (AIS) within the polyp 3 (38%) had myoinvasive adenocarcinoma.
  • In contrast, in cases without AIS, 4 out of 21 (19%) had myoinvasive adenocarcinoma in follow-up hysterectomy.
  • Eight of the nine cases with carcinoma in endometrial polyp had endometrial pathology on hysterectomy.
  • Approximately two thirds of the patients with hyperplasia and 90% of patients with adenocarcinoma in endometrial polyps show endometrial pathology on subsequent hysterectomy.
  • The above findings reinforce the need for hysterectomy especially in postmenopausal women with atypical complex hyperplasia or carcinoma in endometrial polyps even if these changes appear confined to the polyp in initial sampling.
  • [MeSH-major] Adenocarcinoma / pathology. Carcinoma in Situ / pathology. Endometrial Hyperplasia / pathology. Endometrial Neoplasms / pathology. Polyps / pathology

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  • (PMID = 18156974.001).
  • [ISSN] 0277-1691
  • [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] Journal Article
  • [Publication-country] United States
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93. Shin S, Rossow KL, Grande JP, Janknecht R: Involvement of RNA helicases p68 and p72 in colon cancer. Cancer Res; 2007 Aug 15;67(16):7572-8
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  • Here, we show that expression of both of these helicases strongly increases during the polyp-->adenoma-->adenocarcinoma transition in the colon.


94. Sasaki T, Soga N, Miki M, Masui S, Hasegawa Y, Kanda H, Yamada Y, Kise H, Arima K, Sugimura Y: [Schwannoma originating from the obturator nerve with suspicion of lymph node metastasis]. Hinyokika Kiyo; 2010 Jun;56(6):323-6
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  • A 58-year-old man, received polypectomy to evaluate the polyp of sigmoid colon.
  • Pathological examination of the specimen revealed non-invasive adenocarcinoma.
  • The final diagnosis of bladder tumor was pTa, urothelial cancer grade 2 and low grade.
  • The nodule had originated from the obturator nerve itself, and pathological diagnosis demonstrated benign schwannoma.
  • [MeSH-minor] Diagnosis, Differential. Humans. Male. Middle Aged

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  • (PMID = 20610925.001).
  • [ISSN] 0018-1994
  • [Journal-full-title] Hinyokika kiyo. Acta urologica Japonica
  • [ISO-abbreviation] Hinyokika Kiyo
  • [Language] jpn
  • [Publication-type] Case Reports; English Abstract; Journal Article; Review
  • [Publication-country] Japan
  • [Number-of-references] 21
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95. Summers RM: Polyp size measurement at CT colonography: what do we know and what do we need to know? Radiology; 2010 Jun;255(3):707-20
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  • [Title] Polyp size measurement at CT colonography: what do we know and what do we need to know?
  • Polyp size is a critical biomarker for clinical management.
  • Larger polyps have a greater likelihood of being or of becoming an adenocarcinoma.
  • To balance the referral rate for polypectomy against the risk of leaving potential cancers in situ, sizes of 6 and 10 mm are increasingly being discussed as critical thresholds for clinical decision making (immediate polypectomy versus polyp surveillance) and have been incorporated into the consensus CT Colonography Reporting and Data System (C-RADS).
  • Polyp size measurement at optical colonoscopy, pathologic examination, and computed tomographic (CT) colonography has been studied extensively but the reported precision, accuracy, and relative sizes have been highly variable.
  • This review summarizes current best practices for polyp size measurement, describes the role of automated size measurement software, discusses how to manage the measurement uncertainties, and identifies areas requiring further research.

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  • [Copyright] Copyright RSNA, 2010
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  • (PMID = 20501711.001).
  • [ISSN] 1527-1315
  • [Journal-full-title] Radiology
  • [ISO-abbreviation] Radiology
  • [Language] ENG
  • [Grant] United States / CLC NIH HHS / CL / Z01 CL040003
  • [Publication-type] Journal Article; Review
  • [Publication-country] United States
  • [Number-of-references] 76
  • [Other-IDs] NLM/ PMC2875919
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96. Wasilewicz MP, Kołodziej B, Bojułko T, Kaczmarczyk M, Sulzyc-Bielicka V, Bielicki D, Ciepiela K: Overexpression of 5-lipoxygenase in sporadic colonic adenomas and a possible new aspect of colon carcinogenesis. Int J Colorectal Dis; 2010 Sep;25(9):1079-85
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  • METHODS: A total of 111 patients were examined and 120 histologically different colonic adenomas analyzed (including four cases of intramucosal adenocarcinoma in a polyp).
  • RESULTS: There was a significant correlation between high 5-LOX expression and patient age, increased polyp size, high grade of intraepithelial neoplasia, villous and tubulovillous adenoma, and histological epithelial localization.
  • CONCLUSIONS: We observed a strong positive correlation between 5-LOX overexpression and the appearance of typical high-risk factors for malignant transformation in adenomatous polyps.
  • [MeSH-major] Adenoma / enzymology. Adenoma / pathology. Arachidonate 5-Lipoxygenase / metabolism. Colonic Neoplasms / enzymology. Colonic Neoplasms / pathology. Precancerous Conditions / enzymology. Precancerous Conditions / pathology
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Carcinoma in Situ / enzymology. Carcinoma in Situ / pathology. Colonic Polyps / enzymology. Colonic Polyps / pathology. Female. Humans. Male. Middle Aged

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  • (PMID = 20549218.001).
  • [ISSN] 1432-1262
  • [Journal-full-title] International journal of colorectal disease
  • [ISO-abbreviation] Int J Colorectal Dis
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Germany
  • [Chemical-registry-number] EC 1.13.11.34 / Arachidonate 5-Lipoxygenase
  • [Other-IDs] NLM/ PMC2912725
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97. Colakoglu T, Yildirim S, Kayaselcuk F, Nursal TZ, Ezer A, Noyan T, Karakayali H, Haberal M: Clinicopathological significance of PTEN loss and the phosphoinositide 3-kinase/Akt pathway in sporadic colorectal neoplasms: is PTEN loss predictor of local recurrence? Am J Surg; 2008 Jun;195(6):719-25
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  • The relation between PTEN expression and Akt activation is still unclear in colorectal cancers and adenomatous polyps.
  • METHODS: PTEN and pAkt expression were evaluated in 76 primary colorectal cancers and 25 adenomatous colorectal polyp tissues using immunohistochemical staining on paraffin-embedded sections.
  • A negative correlation between PTEN and pAkt expression was found in colon cancer patients (P = .010), whereas no significiant association was found in adenomatous polyps (P = .403).
  • [MeSH-major] Adenocarcinoma / metabolism. Colorectal Neoplasms / metabolism. Neoplasm Recurrence, Local. PTEN Phosphohydrolase / metabolism. Phosphatidylinositol 3-Kinases / metabolism. Proto-Oncogene Proteins c-akt / metabolism. Signal Transduction
  • [MeSH-minor] Adenomatous Polyps / genetics. Adenomatous Polyps / metabolism. Adult. Aged. Aged, 80 and over. Female. Gene Expression. Genes, Tumor Suppressor. Humans. Immunohistochemistry. Male. Middle Aged

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  • (PMID = 18440486.001).
  • [ISSN] 1879-1883
  • [Journal-full-title] American journal of surgery
  • [ISO-abbreviation] Am. J. Surg.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] EC 2.7.1.- / Phosphatidylinositol 3-Kinases; EC 2.7.11.1 / Proto-Oncogene Proteins c-akt; EC 3.1.3.48 / PTEN protein, human; EC 3.1.3.67 / PTEN Phosphohydrolase
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98. Wang LP, Chen J, Ning HY, Zhang XZ, Cheng J, Li L, Wang B, Dai XJ, Zhu HY, Miao JH, Wang L: [Serrated lesions of colon and their malignant potential]. Zhonghua Bing Li Xue Za Zhi; 2010 Jul;39(7):447-51
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  • One hundred and eighty-seven cases of CAD (including 160 cases of tubular adenoma and 27 cases of villous adenoma) and 36 cases of invasive adenocarcinoma were randomly selected as the controls.
  • RESULTS: Amongst the 5347 colorectal polyps studied, 258 cases (4.8%) of serrated lesions were found, which included 112 cases (43.4%, 112/258) of hyperplastic polyp, 78 cases (30.2%, 78/258) of TSA and 26 cases (10.1%, 26/258) of sessile serrated adenoma.
  • Compared with the 187 cases of CAD, moderate dysplasia were found in 27 cases and high-grade intraepithelial neoplasia and invasive adenocarcinoma were found in 25 cases (13.3%, χ(2) = 19.373, P = 0.000).
  • TSA has obvious malignant potential; but the rate associated with high-grade intraepithelial neoplasia and invasive adenocarcinoma is lower than that in CAD.
  • [MeSH-major] Adenoma / pathology. Cell Transformation, Neoplastic / pathology. Colorectal Neoplasms / pathology. Intestinal Polyps / pathology
  • [MeSH-minor] Adenocarcinoma / metabolism. Adenocarcinoma / pathology. Adenoma, Villous / classification. Adenoma, Villous / metabolism. Adenoma, Villous / pathology. Colonic Polyps / metabolism. Colonic Polyps / pathology. Humans. Ki-67 Antigen / metabolism. Precancerous Conditions / metabolism. Precancerous Conditions / pathology. Rectum / pathology. Retrospective Studies. Tumor Suppressor Protein p53 / metabolism. beta Catenin / metabolism

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  • (PMID = 21055172.001).
  • [ISSN] 0529-5807
  • [Journal-full-title] Zhonghua bing li xue za zhi = Chinese journal of pathology
  • [ISO-abbreviation] Zhonghua Bing Li Xue Za Zhi
  • [Language] chi
  • [Publication-type] Comparative Study; English Abstract; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] China
  • [Chemical-registry-number] 0 / Ki-67 Antigen; 0 / Tumor Suppressor Protein p53; 0 / beta Catenin
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99. Gregoriou O, Konidaris S, Vrachnis N, Bakalianou K, Salakos N, Papadias K, Kondi-Pafiti A, Creatsas G: Clinical parameters linked with malignancy in endometrial polyps. Climacteric; 2009 Oct;12(5):454-8
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  • AIM: To investigate the association of different clinical parameters with the histological diagnosis and the prevalence of premalignant and malignant endometrial polyps.
  • Possible risk factors such as age, menopause status, abnormal bleeding, obesity, hypertension, diabetes mellitus, hormone therapy, use of tamoxifen and size of polyp were investigated in relation to their association with the malignant potential of endometrial polyps.
  • The malignant polyps were analyzed to eight endometrioid, one serous and one clear cell carcinoma.
  • Advanced age, menopause, obesity and diabetes increase the risk of endometrial polyp malignancy.
  • [MeSH-minor] Adenocarcinoma, Clear Cell / epidemiology. Adenocarcinoma, Clear Cell / pathology. Adult. Age Factors. Aged. Carcinoma, Endometrioid / epidemiology. Carcinoma, Endometrioid / pathology. Diabetes Complications. Endometrial Hyperplasia / epidemiology. Endometrial Hyperplasia / pathology. Female. Humans. Menopause. Middle Aged. Obesity / complications. Retrospective Studies. Risk Factors. Uterine Hemorrhage / epidemiology

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  • (PMID = 19591006.001).
  • [ISSN] 1473-0804
  • [Journal-full-title] Climacteric : the journal of the International Menopause Society
  • [ISO-abbreviation] Climacteric
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
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100. Iso Y, Sawada T, Rokkaku K, Shimoda M, Kubota K: Ball-valve gastric tumor associated with anomalous junction of the pancreatico-biliary ductal system and a right-sided round ligament: report of a case. Surg Today; 2008;38(5):458-62
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  • Gastroscopy revealed a bleeding polypoid gastric tumor in the anterior wall of the stomach, herniating into the duodenum (ball-valve syndrome), and a Bormann type-2 tumor in the posterior wall.
  • Microscopy revealed that the polypoid tumor was a hyperplastic polyp.
  • [MeSH-major] Adenocarcinoma / surgery. Digestive System Abnormalities / complications. Polyps / surgery. Stomach Neoplasms / surgery

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