Percutaneous Nephrolithotomy in Pelvic Kidneys: Is the Ultrasound-guided Puncture Safe?

To demonstrate our experience with the use of ultrasound (USG) for puncture guidance while performing percutaneous nephrolithotomy in ectopic pelvic kidneys.From January 1990 to December 2013, we have performed percutaneous nephrolithotomy in 26 patients with USG-guided punctures. The stones were solitary in 15 patients (58%) and multiple in 11 patients (42%). The mean stone size was 22 mm (range, 10-50 mm), including 3 staghorn calculi. All...