Diagnosis is typically via a CT angiography, esophagogastroduodenoscopy, or arteriography. It is part of the differential diagnosis of gastrointestinal bleeding.
Aortoenteric fistula
Superior mesenteric artery syndrome
Splenic infarction
Vesicointestinal fistula
Gastrojejunocolic fistula
Gastrointestinal perforation
Pancreatic fistula
Abdominal aortic aneurysm