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Endoscopic Removal of an Intravesical Calcified Sling Using Pneumatic Lithotripsy and Cystoscopic Resection

The transobturator tape procedure is a minimally invasive treatment for stress urinary incontinence. The widespread use of these slings has led to an increase in the number of rare complications, such as bladder erosion. Although in the last few years several minimally invasive techniques have been described, surgical management of such complications remains an open issue. We report a case of a bladder stone formed on a transobturator sling after unrecognized bladder perforation. Using pneumatic lithotripsy, the calculus was fragmented and the intravesical portion of the tape was successfully excised and removed by transurethral resection and endoscopic scissors. This minimally invasive transurethral technique is challenging but can be a safe and successful way to deal with such rare complications.