我院自1992年10月以来采用经腰部斜切口腰三角入路输尿管原位切开取石术治疗输尿管上段结石54例,效果满意,现报告如下。1　资料与方法1.1　临床资料本组54例,男25例,女29例,年龄18～61岁。右侧输尿管上段结石28例,左侧输尿管上段结石26例,其中2例为多发结石。结石最大1.2cm×2. Our hospital since October 1992 has adopted the lumbar oblique incision of the ureter in situ ureteral incision lithotomy in the treatment of upper ureteral calculi in 54 cases, the results are satisfactory, are as follows. 1 Materials and Methods 1.1 Clinical data The group of 54 patients, 25 males and 29 females, aged 18 to 61 years. The right upper ureteral calculi in 28 cases, left upper ureteral calculi in 26 cases, of which 2 cases were multiple stones. The largest stone 1.2cm × 2.