The success rate of PCNL was 98.04%(100/102). 2 patients with residual required URSL, the stone free rate was 100% and no complication was noted.

• 经皮肾组102例，治疗成功率98.；04%25(100/102)，2例加用URSL，成功率100%25(2/2)，一次结石取净率100%25，无手术相关并发症发生。