患者男,74岁,5年前因膀胱癌在某医院行膀胱部分切除,双侧输尿管移植术。术中应用相当于8号导尿管的硅胶管作支架。术后第三天发现右侧支架管断离脱入膀胱内,试行从腹壁取管未能取出,伤口愈合出院。今年5月份起出现尿频、尿痛等膀胱刺激症 Male, 74 years old, with partial resection of the bladder in a hospital for bladder cancer 5 years ago and bilateral ureter transplantation. Intraoperative application of the catheter on the 8th silicone tube as a stent. On the third postoperative day, the right stent-graft was detached from the bladder and tried to remove it from the abdominal wall. The wound was healed and discharged. Occurred in May this year, frequent urination, dysuria and other bladder irritation