Figure 13a. Meckel diverticulum in a 22-year-old man with chronic abdominal pain and anemia. (a) Angiogram shows a vitellointestinal artery (arrow) arising from a distal ileal branch of the superior mesenteric artery. (b) Late arterial phase image shows a tubular-shaped angiographic blush (arrow) at the site of the diverticulum. (c) Photograph of the opened, resected surgical specimen shows a hemorrhagic Meckel diverticulum.