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疾病波及范围和病程作为影响溃疡性结肠炎癌变的危险因素已被证实。本研究旨在验证反流性回肠炎 (ｂａｃｋｗａｓｈｉｌｅｉｔｉｓ,ＢＭＩ)是否为溃疡性结肠炎癌变的一个重要相关因素。方法 1 982年～ 1 998年间 60 9例行结直肠切除术的溃疡性结肠炎病人 ,590例符合研究标准
The extent and duration of disease spread as a risk factor for the carcinogenesis of ulcerative colitis have been demonstrated. The purpose of this study was to determine if reflux wounds (BMI) are an important factor in the carcinogenesis of UC. Methods From January 1998 to January 1998, 609 patients with ulcerative colitis undergoing colorectal resection were enrolled and 590 patients were eligible for the study standard