我院 1994年 8月～ 1999年 8月共施行直肠癌根治术 115例 ,发生输尿管损伤 2例 ,现将其损伤情况作简要介绍 ,并就损伤原因及预防加以讨论。例 1,女性 ,54岁 ,因直肠下段癌行Ｍｉｌｅｓ式手术。术中发现直肠肿块较大 ,与周围组织粘连 ,游离困难 ,渗血较多 ,分离达侧韧带平面时 , In our hospital from August 1994 to August 1999, a total of 115 cases of radical resection of rectal cancer were performed. Two cases of ureteral injury occurred. The injury situation was briefly introduced, and the causes of injury and prevention were discussed. Example 1, female, 54 years old, undergoing Miles-type surgery for lower rectal cancer. During the operation, it was found that the rectal mass was large, and it was adhered to the surrounding tissue. It was difficult to dissociate, bleeding was more, and the plane of the lateral ligament was separated.