A complication is reported in which Lapra-Ty absorbable suture clips (Ethicon EndoSurgery) migrated from a laparoscopic partial nephrectomy bed into the collecting system, causing renal colic. During surgery performed with hilar occlusion, visual inspection did not reveal collecting system entry. Transected vessels were oversewn with absorbable suture secured with Lapra-Tys. Absorbable bolsters were placed in the parenchymal bed, and compression sutures secured with Lapra-Tys were placed through the renal capsule. Six weeks postoperatively, the patient developed ipsilateral renal colic, and computed tomography demonstrated several 3-mm opacities within the ureter. After 2 weeks of conservative management, he spontaneously passed several Lapra-Ty clips.
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