结肠癌可并发急性阑尾炎、急性肠梗阻、肠穿孔、腹膜炎等急腹症，临床误诊率较高。我科1980～1995年共收治结肠癌并发急腹症36例（含作者原所在单位收治之17例）。现将诊治情况报告如下。资料与方法本组男性25例，女性11例。发病年龄最小25岁，最大70岁，其中40岁以上者30例，? Colon cancer can be complicated by acute appendicitis, acute intestinal obstruction, intestinal perforation, peritonitis and other acute abdomen. The rate of clinical misdiagnosis is high. In our department from 1980 to 1995, 36 cases of colon cancer complicated with acute abdomen were treated (including 17 cases treated by the author’s original unit). The treatment is now reported as follows. Materials and Methods There were 25 males and 11 females in this group. The age of onset is the youngest 25 years old and the oldest is 70 years old, among whom 30 cases are over 40 years old.