Abstract
A ureteral stent placed percutaneously through a nephrostomy can be readily exchanged endoscopically for a ureteral indwelling pigtail stent over a percutaneous guide wire. Percutaneous antegrade stent placement can sometimes be accomplished when retrograde placement cannot. We report 10 successful conversions to indwelling stent in 11 cases. In 1 case the percutaneous guide wire could not be retrieved endoscopically because of a bleeding tumor in the bladder. No serious difficulties or complications were encountered. The percutaneous approach offers an alternative method of providing internal urinary diversion if retrograde ureteral indwelling stent placement has failed.
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