腺瘤可发生于整个胃肠道,但以直肠和乙状结肠为多见。为了解大肠腺瘤与癌变的关系,笔者回顾分析了本院2001年1月—2004年12月经内窥镜及病理检查确诊为大肠腺瘤的297例患者临床资料,现报道如下。1临床资料1·1一般资料本组男175例,女122例;年龄27~30岁8例,30~40岁19例,40~50 Adenomas can occur throughout the gastrointestinal tract, but are more common in the rectum and sigmoid colon. In order to understand the relationship between colorectal adenoma and carcinogenesis, the author reviewed the clinical data of 297 patients diagnosed as colorectal adenoma by endoscopy and pathological examination from January 2001 to December 2004 in our hospital and is reported as follows. 1 Clinical data 1.1 General Information The group of 175 males and 122 females, aged 27 to 30 years in 8 cases, 30 to 40 years in 19 cases, 40 to 50