结肠息肉在结-直肠癌的发生中有重要意义,腺瘤性息肉的患病率约25％～61％。本文对未经挑选、避免偏性的人群中,应用60cm可曲式直肠乙状结肠镜进行普查,85％的对象完成检查,其结果如下: 总共检查406例(女200男206),平均年龄52岁(26～82岁),154例(38％)发现息肉362枚。其中253枚(70％)为增生性息肉 Colon polyps are important in the development of colorectal cancer. The prevalence of adenomatous polyps is about 25% to 61%. In this study, a 60cm flexible rectosigmoidoscopy was applied to the unselected individuals to avoid bias, and 85% of the subjects completed the examination. The results are as follows: A total of 406 cases (200 women and 206 men) were examined, with an average age of 52 years. (26 to 82 years old), 154 cases (38%) found 362 polyps. Of these, 253 (70%) were hyperplastic polyps