Two cases of anesthesia-free extracorporeal shock wave lithotripsy in stone-bearing pelvic kidneys.

We report 2 cases of urolithiasis in pelvic kidneys and discuss the therapy of difficult stone locations with extracorporeal shock wave lithotripsy (ESWL) alone using new techniques of positioning (prone and upright sitting position) and the modified Dornier HM3 lithotriptor for anesthesia-free ESWL.