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大肠癌75％发生在直肠和乙状结肠(以下简称直乙肠)。对其前期病变息肉与癌的关系,尤其是直径(D)小于5mm的小息肉还存有争论。本文对我科12年间内镜检查1145例中57例(4.9％)直乙肠息肉作一回顾。1 临床资料性别与年龄:男性40例,女性17例。年龄从38～78岁,平均58岁。息肉特性:30～40mm~2～3×3mm~2;其中D<5 mm15例(26.3％),不典型增生7例;6～9mm的9例(15.8％),
75% of colorectal cancer occurs in the rectum and sigmoid colon (hereinafter referred to as the straight ileum). The relationship between polyps and cancer in its early stage, especially small polyps with a diameter (D) of less than 5mm, remains controversial. In this paper, we retrospectively reviewed 57 patients (4.9%) of straight-intestinal polyps from 1145 endoscopy during our 12-year period. 1 Gender and age of clinical data: 40 males and 17 females. Age from 38 to 78 years old, an average of 58 years old. Polyp characteristics: 30 ~ 40mm ~ 2 ~ 3 × 3mm ~ 2; of which D <5 mm15 cases (26.3%), atypical hyperplasia in 7 cases; 6 ~ 9mm in 9 cases (15.8%),