Aortoenteric fistula in a patient with right common iliac aortic aneurysm

Abstract

A 63-year-old man with a history of hypertension had undergone ruptured abdominal aortic aneurysm repair. He presented to the emergency room with a 1-day history of passing bloody stools. He had mild abdominal distention and did not have abdominal pain, nausea or a history of non-steroidal anti-inflammatory drug (NSAID) or steroid use. The physical examination revealed mildly pale conjunctiva, hyperactive bowel sound and no abdominal tenderness. Esophagogastroduodenoscopy and colonoscopy did not reveal the site of active bleeding. Abdominal computed tomography (CT) (Figure 1A and B) …