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目的 对大肠腺瘤恶变指标的诸多因素进行分析与探讨。方法 收集1982年3月～1995年3月间本院纤维结肠镜检出的大肠息肉436例,进行了研究。结果 单发腺癌81.1％,多发者19.3％;腺瘤癌变10.8％,腺瘤合并癌5.2％;绒毛状腺瘤癌变27.5％,混合型腺瘤癌变16.2％,管状腺瘤癌变率7.1％;腺瘤发生部位以直肠居多,其次为乙状结肠。结论 腺瘤癌变与腺瘤的组织学类型、肿物大小及发生部位有关。
Objective To analyze and discuss many factors of malignant transformation index of colorectal adenoma. Methods A total of 436 cases of colorectal polyps detected by colonoscopy in our hospital from March 1982 to March 1995 were collected and studied. Results Adenocarcinoma was found in 81.1% of patients with multiple adenocarcinoma and 19.3% of patients with multiple adenocarcinoma. Adenoma was found in 10.8% of adenomas and adenomas with adenocarcinoma of 5.2%. Anticancer of villous adenoma was 27.5%, mixed adenocarcinoma was 16.2% and tubular adenoma was 7.1% Adenoma most of the site of rectal, followed by sigmoid colon. Conclusions Adenocarcinoma is related to the histological type of adenoma, the size of the tumor and the location of the tumor.