Haematemesis due to primary aortic aneurysm-duodenal fistula - clinical suspicion is the cornerstone of diagnosis: a case report

摘要

IntroductionAlthough gastrointestinal haemorrhage from aortoduodenal fistulae secondary to previous aortic grafts are well known, a primary fistula from an aortic aneurysm is a rare consideration resulting in inappropriate management and poor outcomes.