Fig. 1

a–d CT MPR images in a patient suffering from lower gastrointestinal bleeding show active diverticular bleeding within the lumen of the descending colon (a). Selective inferior mesenteric artery angiography (IMA) shows a contrast extravasation from a branch of the sigmoid artery (b). After superselective catheterization of the target vessel with a 1.7 Fr microcatheter (c), selective IMA post-embolization angiography confirms selective occlusion of the target vessel (d)