Congenital abdominal aortic aneurysm in a young adult. Case report

A 30-year-old man presented with threatened rupture of an infrarenal aortic aneurysm. Clinical and laboratory investigations revealed no traumatic, atherosclerotic, infectious or inflammatory cause. Histologic examination of the aortic wall showed cystic degeneration of the media. Consequently the case could be classified as congenital abdominal aortic aneurysm in an adult.