Arteriovenous Fistula of Superior Mesenteric Artery: An Unusual Cause of an Massive Lower Gastrointestinal Bleeding

Abstract

Introduction The most common causes of lower gastrointestinal (GI) hemorrhage are diverticulosis and angiodysplasia. Arteriovenous fistula (AVF) of the intestine is an uncommon cause of GI hemorrhage. Case Presentation Herein, we report a case of an embolization of an AVF originated from the superior mesenteric artery and vein as a cause of acute massive lower GI bleeding. Conclusion The patient underwent a right hemicolectomy and ileotransversostomy.