我院从1974年10月～1984年9月共收治直肠癌89例,其中77例入院前延误了诊断,占同期直肠癌总数的81.8%。现着重分析其误诊原因。临床资料一、性别与年龄:男50例,女27例;年龄12至68岁,40岁以上占65%。二、病程:3个月以内5例,3个月以上至半年9例,半年以上至1年29例占37.7%,1年以上34例占44.2%。 In our hospital from October 1974 to September 1984, a total of 89 cases of rectal cancer were treated, of which 77 cases delayed diagnosis before admission, accounting for 81.8% of the total number of rectal cancer in the same period. Now analyzes the causes of misdiagnosis. Clinical data 1. Sex and age: 50 males and 27 females; aged 12 to 68 years, and 60% of those over the age of 40. Second, the course of disease: within 3 months of 5 cases, 3 months to 6 months in 9 cases, more than half a year to 1 year 29 cases accounted for 37.7%, more than 1 year 34 cases accounted for 44.2%.