Aortoenteric Fistula: A Differential Diagnosis of Anemia

Aortoenteric fistulas (AEFs) are a rare and deadly cause of gastrointestinal bleeding that can be easily overlooked, leading to massive bleeding. Secondary AEFs more common than primary AEFs. An example secondary anemia is postoperative hemorrhage due surgically placed aortic graft or after endovascular aneurysm repair. This report aims increase the awareness AEF as differential diagnosis when detected. The clinical presents case in 79-year-old man AEF, which occurred patient who had undergone abdominal surgery 10 years before. Surgical repair considered gold standard for treatment; however, this case, was managed with medical therapy discharged two months.