Infrarenal aortic aneurysm: unusual cause of paraparesis.

A male patient recently presented to our Unit with anterior spinal artery syndrome involving his lower limbs. This neurological condition was an unusual manifestation of an infrarenal abdominal aortic aneurysm with local dissection occluding the infrarenal lumbar arteries. The incidence, anatomy, aetiology, and management of the condition associated with aortic aneurysms are described.