A large inflammatory fibroid polyp in the sigmoid colon treated by endoscopic resection

Abstract

Inflammatory fibroid polyp (IFP) is a rare, localized, nonneoplastic lesion originating from the submucosa of the gastrointestinal tract. Microscopically, these lesions are made up of a complex network of variable-size blood vessels and diffuse inflammatory cells contained in the edematous stroma. They are most often found in the stomach, followed by the small intestine, and rarely in the esophagus or the large intestine. We report a case of sigmoid colonic IFP presenting bloody stool treated with endoscopic resection. © 2007 The Japanese Society of Internal Medicine.