The Vesical Granuloma

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Abstract
The spillage of gallstones into the peritoneal cavity from iatrogenic perforation of the gallbladder that occurs during laparoscopic cholecystectomy can result in late and serious complications. We report a case of vesical granuloma with symptoms of dysuria, pollakiuria, and vesical tenesmus that occurred 23 months after a laparoscopic cholecystectomy. Preoperative diagnostic evaluation showed a 3-cm vesical neoformation. A partial cystectomy was performed; macroscopic and histologic examination documented a central nidus of fragmented gallstones and a picture of chronic granulomatous inflammation. Although complications related to unretrieved gallstones that spill into the peritoneal cavity during laparoscopic cholecystectomy are rare, they are being reported with increasing frequency. Therefore, it is important to use tools and techniques that prevent lacerations of the gallbladder and involve retrieval of spilled gallstones.