直肠癌是消化道中仅次于胃癌的高发恶性肿瘤［１］。其发生率在我国有上升趋势，国内报道误诊率达４８２％～８７８％［２］，误诊是影响预后的主要因素。我院普外科自１９８６～１９９６年１０年间共收治直肠癌１１２例，其中９５例在我科就诊前曾误诊为其它疾病，误... Rectal cancer is a high-grade malignant tumor that is second only to gastric cancer in the digestive tract [1]. The incidence of this disease has an increasing trend in China. The rate of misdiagnosis reported in the country is 482%-878%[2]. Misdiagnosis is the main factor affecting the prognosis. The general surgery in our hospital received a total of 112 cases of rectal cancer during the 10 years from 1986 to 1996, of which 95 cases were misdiagnosed as other diseases before our department’s treatment...