Morphometric Analysis of Colonic Adenomatous Polyps
نویسندگان
چکیده
منابع مشابه
Epidemiology of colorectal adenomatous polyps.
Colorectal cancer is currently the second leading cause of cancer death in the United States (1); nearly 7% of Americans are expected to develop this disease within their lifetime (2). Efforts to identify causes and effective preventive measures for this disease have led to the hypothesis that adenomatous polyps (adenomas), benign tumors that arise in the large bowel, are precursor lesions for ...
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Microbiota is a collection of microorganisms that live in the oral cavity, respiratory tract and intestine of multicellular organisms. Microbiota exerts numerous physiological and pathological effects on the organism in which it resides. Increasing attention has been directed to the host-microbiota interaction, which is highly relevant to the development of carcinogenesis. Changes in the compos...
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Colorectal tumors mostly arise from sporadic adenomatous polyps. Polyps are defined as a mass of cells that protrudes into the lumen of the colon. Adenomatous polyps are benign neoplasms that, by definition display some characteristics of dysplasia. It has been shown that polyps were benign tumors which may undergo malignant transformation. Adenomatous polyps have been classified into three his...
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Short chain (C2-C6) fatty acids are produced in the colon through bacterial fermentation of mainly dietary fibre. Butyrate (C4) possesses antineoplastic effects on human colon carcinoma cells, and epidemiological studies indicate that high fibre diets may reduce the incidence of colorectal cancer. The role of dietary fibre during colorectal carcinogenesis might therefore be related to its ferme...
متن کاملSupplemental calcium suppresses colonic mucosal ornithine decarboxylase activity in elderly patients with adenomatous polyps.
Epidemiological and animal studies suggest a role for calcium in the chemoprevention of colorectal neoplasia. This study was designed to investigate whether supplemental oral calcium has a suppressant effect on colonic mucosal ornithine decarboxylase (ODC) and tyrosine kinase activities in patients with adenomatous polyps or a history of adenomatous polyps and whether this is affected by age. O...
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ژورنال
عنوان ژورنال: Japanese Journal of Cancer Research
سال: 1993
ISSN: 0910-5050
DOI: 10.1111/j.1349-7006.1993.tb02872.x