直肠癌如果没有特别明显的症状体征 ,临床上难以早期发现 ,且极易与肠炎、痔疮等相混淆 ,尤其是青少年 ,误诊率更高。我院收集自 1991年— 2 0 0 0年直肠癌患者 2 31例 ,其中青少年 9例 ,临床误诊率高达 88.9% (8/9) ,现分析报告如下。1　临床资料1.1　一般资料　本组男性 5例 Rectal cancer without obvious symptoms and signs, early clinical difficult to find, and easily confused with enteritis, hemorrhoids, etc., especially adolescents, misdiagnosis rate is higher. Our hospital collected from 1991 to 2000, 231 cases of rectal cancer patients, including 9 cases of young people, the clinical misdiagnosis rate as high as 88.9% (8/9), the analysis report is as follows. 1 Clinical data 1.1 General Information The group of 5 males