随着输尿管镜技术的普及，近年来输尿管撕脱已成为泌尿外科手术中常见的并发症。本文报道2例患者在输尿管镜碎石术中发生长段撕脱，分别行急诊输尿管造瘘、择期回肠代输尿管成形术，以及急诊输尿管修补、择期Boari膀胱肌瓣输尿管成形术，二次手术后分别随访22、17个月，影像学复查均提示替代段输尿管通畅，患侧肾积水较术前缓解。“,”With the popularization of ureteroscopy, ureteral avulsion has become a common complication of urological surgery in recent years. In the study, we reviewed the clinical management of 2 patients who underwent emergency ureterostomy and selective operation of ileoureteral substitution, emergency repair and selective operation of Boari-flap ureteroneocystostomy respectively. After 22 and 17 months of follow-up, no ureter stricture were found, and hydronephrosis were relieved compared with preoperative in both.