Of these,81 cases were treated by ureteral lithotomy and ureteroscopy calculi not fragmented in 64 cases and fragmented or partly fragmented in 17 cases.

• 术中发现完整结石64例,17例结石粉碎或部分粉碎,但未能全部排出。输尿管明显病变72例,其中狭窄21例,管壁增厚16例,息肉15例,肉芽组织包裹结石12例,结石嵌顿6例,输尿管扭转畸形2例。