4Desai M R,Jasani A.Percutaneous nephrolithotripsy in ectopic kidneys[J].Endourol,2000,14:289-292.
5Lan H S,Lingeman J E,Mosbaugh P G,et al.Evaluation of the technique of combination therapy for staghorn calculi:A decreasing role for extracorporeal shock wave lithotripsy[J].Urol 1992,148:1058-1062.
6Al-Kohlany KM,Shokeir AA,Mosbah A,et al.Treatment of complete staghorn stones:a prospective randomized comparison of open surgery versus percutaneous nephrolithotomy[J].J Urol,2005,173(2):469-473.
7Preminger GM,Assimos DG,Lingeman JE,et al.Chapter 1:AUA guide-line on management of staghorn calculi:diagnosis and treatment recom-mendations[J].J Uml,2005,173(6):1991-2000.