微创经皮肾镜治疗肾下盏结石53例临床分析

对53例肾下盏结石患者，行微创经皮肾镜取石术（MPCNL）治疗，建立经肾下盏并与下盏平行的通道取石。53例均获得成功，一次MPCNL取净结石50例，两次取净结石2例，1例残留小结石自行排出。穿刺和取石术时间为65～162min，术中出血量为10～200ml，无脏器严重损伤及死亡病例。MPCNL治疗肾下盏结石安全有效，创伤小，并发症少。

Minimally invasive percutaneous nephrolithotomy for lower caliceal stone

Clinical data of 53 patients with lower caliceal stone during August 2005 and March2007 were analyzed retrospectively.The stones were 11-35 mm in diameter.Under the guidance of X-ray.single renal tract parallel to the lower caliceal for percutaneous nephrolithotomy was established.The procedures were successful in all the patients.Fifty patients were stone free after first minimally invasive pereutaneous nephrolithotomy(MPCNL),2 were stone free following second MPCNL,1 saw residual small stones clear off spontaneously during the follow-up period.Operative time was 65-162 minutes.and blood loss was 10-200 ml.No severe complications or death occurred.MPCNL may be related with minimal invasion and fewer complications,thus provides an effective and safe way of lower caliceal stone treatment.