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目的：探讨微创经皮肾镜取石术治疗儿童肾结石的应用和效果。方法回顾性分析2009年2月~2012年11月45列儿童肾结石的临床资料，年龄3~12岁，平均6.1岁，男性32例，女性13例，45例均为维吾尔族，右肾结石16例，左肾结石24例，双肾结石5例，所有患儿行微创经皮肾镜取石术。结果所有患儿成功进行了微创经皮肾镜取石术，无1例该开放手术，37例一期取净，残留结石8例，总结石清除率93%，手术平均时间51.4 min（30~80min）术中，术后无严重并发症。结论微创经皮肾经取石术具有创伤性小，恢复快，并发症小，结石清除高率等有点，是一种治疗儿童肾结石的有效，安全的方法。“,”Objective To investingate the application and ef ect of minimal yinvasive percutaneous nephrolithotomy in treatment of pediatric renal calculi.Methods Retrospectively analyze the clinical data of 45 children with kidney stones between February 2009 andNovember 2012,age3-12years old,average 6.1years old,32males , 13females,al the patients were Uyghur 16children wereright kidney stones ,24children were Left kidney stones,5children were Bilateral kidney stones,al patients were received minimal y invasivepercutaneous nephrolitiotomy,Results Al the minimal y invasive percutaneous nephrolitiotomy on the children were successful ,on cases changed to poen operation ,37 cases were cleaned ata first operation ,8cases have residual stones ,Total stone clesarance rate was 86%,the average operation time was 51.4 min (30-80min),no serious intraperative and postoperative complications.Conclusion Minimal y invasive percutaneous nephrolitiotomy is an ef ective and safe treatment in pediatric renal calculi, with the advantagesof less trauma, quicker recovery ,fewer complications, and high stone clearance rate.