Causes of abdominal aortic aneurysm – Surgery MCQ

The commonest cause of abdominal aortic aneurysm is?

A. Trauma

B. Syphilis

C. Vasculitis

D. Atherosclerosis

Correct answer : D. Atherosclerosis

90% of all abdominal aortic aneurysms greater than 4 cm are caused by atherosclerotic disease.

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