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Lipoma of the colon with overlying hyperplastic epithelium
1Department of Pathology, Royal University Hospital, University of Saskatchewan, Saskatoon. radhij@sdh.sk.ca
Abstract:
Lipomas of the colon are submucosal nonepithelial tumours covered by intact or eroded mucosa. A large colonic lipoma present in close proximity to an area of diverticulitis is presented. The lining mucosa in this case exhibited hyperplastic changes, reminiscent of those seen in hyperplastic polyps. The significance of such mucosal changes are highlighted because adenomatous or even carcinomatous transformation, though rare, remains possible.