III. A Case of Villous Adenoma of the Sigmoid Colon Diagnosed by Colonoscope

概要

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Villous adenoma of the colon is comparatively rare in Japan. But this disease has some clinical importance, because of its high incidence of malignant change, serum electrolyte in-balance and so on.<BR>In this paper, we would like to present a case of villous adenoma of the sigmoid colon diagnosed by endoscope. The patient is 35 year-old female, complaining of mucous stools.<BR>Its usual colonoscopic picture shows whitish, soft, fragile and papillary tumor, and using magnifying colonoscope, CF-MB2-M type (Olympus), the minute findings of its surface can be easily observed up to each crypt surface, showing irregularly arranged surface resembling to convolution of the brain. These findings are quite different from those of colonic cancer and/or other adenomas of the colon.
日本大腸肛門病学会の論文