Sheep in Wolf's Clothing: Pedunculated Colonic Lipoma with Overlying Hyperplastic and Ulcerated Epithelium

Digestive Diseases and Sciences
Rossella PalmaVito D'Andrea

Abstract

Lipomas are the most common non-epithelial benign tumors of the gastrointestinal tract with a reported incidence in the colon of 0.2-4.4%. These lesions are usually asymptomatic with a typical endoscopic finding of a smooth, slightly yellow, circular, polyp that is sessile in most cases, covered with normal colonic mucosa. There are rare reported cases of alterations of the overlying mucosa such as hyperplasia, atrophy, adenomatous changes, and necrosis. We report a rare case of pedunculated colonic lipoma of the transverse colon covered with hyperplastic and ulcerated epithelium easily misdiagnosed as an adenomatous lesion.

References

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Feb 12, 1998·Canadian Journal of Gastroenterology = Journal Canadien De Gastroenterologie·J M Radhi, T H Haig
Apr 21, 1998·International Journal of Colorectal Disease·M BardajíM J Fernández-Layos
Jul 7, 2005·International Journal of Colorectal Disease·Fabio CapraGiuseppe Casula
Dec 5, 2013·World Journal of Clinical Cases·Ju-Ok YeomYoung-Seok Cho
Jan 23, 2016·World Journal of Clinical Cases·Edoardo VirgilioMarco Cavallini

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