Single stage percutaneous nephroureterolithotomy using a special ultrasonically guided pyeloscope.
D020680:Bronchoscopes; D005336:Fiber Optic Technology / Q000295:instrumentation*; D006801:Humans; D007682:Kidney Pelvis; D008297:Male; D008875:Middle Aged; D014463:Ultrasonography; D014514:Ureteral Calculi / Q000601:surgery*