Methods In a total of 626 patients, 606 were treated with percutaneous nephrolithotomy (PCN-L) and 20 with modified incision of renal calices and pyelolithotomy.

• 方法对626例复杂性肾结石患者,606例采用经皮肾穿刺取石(PCN-L),20例采用改良式肾盂肾下盏联合切开取石。