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Clin Endosc. 2015 Nov;48(6):570-575. English. Case Report. https://doi.org/10.5946/ce.2015.48.6.570
Ko YB , Lee JM , Kim WS , Kwak MS , Lee JW , Shin DY , Yang DH , Byeon JS .
Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea. jsbyeon@amc.seoul.kr
Abstract

Colonic perforation may occur as a complication of diagnostic and therapeutic colonoscopy. The risk factors for perforation after colorectal endoscopic submucosal dissection (ESD) include an inexperienced endoscopist, a large tumor size, and submucosal fibrosis. The mechanisms of perforation include unintended endoscopic resection/dissection and severe thermal injury. Here, we report a case of colon perforation that occurred after ESD with snaring of a laterally spreading tumor. The perforation was completely unexpected because there were no colorectal ESD-associated risk factors for perforation, deep dissection, or severe coagulation injury in our patient.

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