It is reported in the literature article titled "between a rock and a hard place: a case report of stone fragment impaction causing a retained ureteroscope requiring open surgical intervention", a patient experienced physical entrapment of the complaint device requiring surgical intervention.As reported in the case study, a (b)(6)-year-old female underwent ureteroscopy for a 2 cm right ureteropelvic junction obstructing stone.After laser lithotripsy, there was significant buildup of stone debris distally along the ureteroscope.Conservative measures failed to remove the ureteroscope.The entrapment of the device is reported to be due to heavy stone burden surrounding the tip of the device preventing it's safe withdrawal.An exploratory laparotomy through a two sides gibson incision and right ureteral dissection for manual removal of the stone debris was performed with eventual removal of the retained ureteroscope.A ureteral reimplant was performed.Postoperative computerized tomography (ct) showed residual hydronephrosis, but there was no obstruction seen on renal lasix scan.There is no report of device malfunction.The study concluded that ureteroscopic treatment of large proximal ureteral stones may lead to the rare complication of ureteroscope retainment caused by stone impaction.
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