Self-Retained Internal Ureteral Stents: A New Approach

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Abstract
Definitive surgical treatment of ureteral obstruction may not be appropriate in patients with advanced malignancy, complex benign ureteral disease or even simple obstructive disease accompanied by unacceptable operative risk. Endoscopic placement of self-retained internal ureteral catheters (stents) offers satisfactory relief for many of these patients. A new 6F pigtail ureteral stent and placement technique are described. These stents are placed easily, effective and well tolerated for short-term and long-term drainage in selected patients with ureteral obstruction.