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Updated: Oct 3, 2026

A Two-Step Method for Percutaneous Transhepatic Choledochoscopic Lithotomy
Published on: September 13, 2022
Gas-containing renal stones treated with percutaneous nephrolithotomy: case report
F S Nilsen1, S J Karlsen, O Gjertsen
1Oslo Urological University Clinic, Aker Hospital, Norway.
Abstract:
We present a rare case of E. coli emphysematous pyelonephritis with sepsis. The radiologic presentation consisted of multiple radiolucent gas-filled, free-floating uric acid calculi in a hydronephrotic renal pelvis. The infection was treated by intravenous fluids and antibiotics and percutaneous nephrostomy drainage. The patient was rendered stone free by percutaneous nephrolithotomy and ultrasound lithotripsy.
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