Methods 31 patients with the upper and middle ureterolithiasis under going the operation of ureterolithotomy via the semilunar line incision were reviewed,in combination with related literature.

• 方法对31例采用经半月线切口行切开取石的输尿管上中段结石患者的临床资料进行回顾性分析,并结合文献进行讨论。