経皮的腎尿管切石術(PNL)

概要

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The authors experienced 175 cases of percutaneous nephro-ureterolithotomy during the last thirty-three months. Complete stone removal was successful in 161 cases (92%). Success rate was up to 99%, if we concluded cases which had small residual fragments although the greater part of the stones was removed. Percutaneous nephrolithotomy, using rigid or flexible nephroscopes combined with any of the stone destruction methods (intensive ultrasound, electrohydraulic effect and laser beam) is less invasive for the patients and shortens the hospital stay duration. In combination with extracorporeal shock wave and transurethral ureteral lithotripsy, this method may replace the conventional surgical procedures for urolithiasis in the near future.