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BMJ Case Rep. 2010; 2010: bcr07.2009.2077.
Published online 2010 March 30. doi:  10.1136/bcr.07.2009.2077
PMCID: PMC3029913
Reminder of important clinical lesson

Perforation of sigmoid diverticulum following endoscopic polypectomy of an adenoma


Colonic polyps or carcinomas located within a colonic diverticulum are very rare phenomena. There are a few reports in the literature describing adenocarcinoma arising within colonic diverticulum. Endoscopic resection of the polyp poses a risk of perforation because of the lack of muscular coats in the diverticulum. Therefore, special care should be taken in the treatment of such patients.

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