Fig. 4. Lower gastrointestinal bleeding in a 62-year-old male who presented with hematochezia. (A, B) There is active extravasation of contrast into the lumen of ileum in the arterial phase, which changes in size and morphology with peristalsis in the portal phase (arrows). (C) Superior mesenteric artery angiography shows no active bleeding. (D) Selective catheter angiography of an ileal artery branch shows active bleeding into the lumen (arrow).

Gastrointestinal Intervention 2018;7:106~111 https://doi.org/10.18528/gii180027

© Int J Gastrointest Interv