Large Intestinal Carcinomas Complicating Ulcerative Colitis, Report of Three Cases Shigeru Imamura 1 , Masaki Mori 1 1The Second Department of Pathology, Faculty of Medicine, Kyushu University pp.979-985
Published Date 1986/9/25
DOI https://doi.org/10.11477/mf.1403110216
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 We report herein three cases of large intestinal carcinomas complicating ulcerative colitis. All cases showed extensive ulcerative colitis. All patients had suffered from ulcerative colitis for more than ten years. The ulcerative colitis started early in life in two patients. The large intestinal carcinomas were multiple in two cases and single in the other. Some of these carcinomas revealed pathologic features somewhat different from ordinary large intestinal carcinomas: the tumors showed vinous, nodular or flat appearance. Two cases showed adenomatous atypical epithelium, a positive indication of the likelihood of dysplasia (proposed by Ridden), which was confined to small areas around the carcinomas. High iron diamine staining showed various amounts of sialomucin and sulphomucin in the dysplastic mucosa.

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