Interventional Radiology for Small and Large Bowel Bleeding

Abstract

Transcatheter arterial embolization (TAE) is the main interventional radiological procedure used for lower gastrointestinal bleeding (LGIB). Colonic diverticular bleeding and small bowel bleeding are relatively common indications for TAE. Selective embolization is the key to effective treatment, despite some anatomical differences between the small intestine and large intestine. Herein, we provide an overview of interventional radiology for LGIB, by presenting a case each of colonic diverticular bleeding, small bowel bleeding, and rectal arteriovenous malformation.