我科自1998年10月以来,采用F21硬性经皮肾镜及F12.5硬性输尿管镜作肾盂或肾窦内肾盂切开取石术中残余结石检查及取石,取得了良好的效果,报告如下。1　资料与方法　　本组27例,男18例,女9例;年龄19～64岁。所有病例均为单侧肾脏多发结石手术。17例并发中度以上肾积水;10例轻度肾 Our department since October 1998, the use of F21 rigid percutaneous nephrolithotomy and F12.5 rigid ureteroscopy for pelvic or renal sinus pelvic incision lithotomy residual stone check and stone, and achieved good results, the report is as follows. 1 Materials and Methods The group of 27 patients, 18 males and 9 females; aged 19 to 64 years. All cases were unilateral renal multiple stone surgery. 17 cases of moderate and severe hydronephrosis; 10 cases of mild kidney