RADIOLOGY: AORTA: Case# 34055: LEAKING ABDOMINAL AORTIC ANEURYSM. The patient is a 67 year old male with a history of abdominal aortic aneurysm by outside CT scan who presents with back pain. 1. Infrarenal abdominal aortic aneurysm with a maximum AP diameter of 6.9 cm associated with a left retroperitoneal hematoma consistent with aneurysm leakage. No active extravasation of high density aortic contrast is seen.