癌症性乙状结肠膀胱瘘少见。现将我院 1 990年以来收治的 6例有关资料报告如下 ,并就其发病机制、诊断及治疗进行讨论。1　资料与方法1 .1　临床资料本组 6例 ,男 5例 ,女 1例 ,年龄 46～ 72岁 ,平均 59.3岁。病程 1～ 9个月。临床表现为气尿 2例 ,大便时肛门溢尿 1例 ,另 3例 Cancerous sigmoid colon fistula is rare. Now in our hospital since 1990, 6 cases of relevant data reported as follows, and discuss its pathogenesis, diagnosis and treatment. 1 Materials and Methods 1.1 clinical data in this group of 6 patients, 5 males and 1 female, aged 46 to 72 years, mean 59.3 years old. Duration of 1 to 9 months. Clinical manifestations of 2 cases of air urine, stool anal overflowing in 1 case, the other 3 cases