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Abdominal aneurysm
Weakness in artery walls can cause bulges called aneurysms. Aneurysms can occur anywhere, but are most common in the abdominal aorta, which supplies blood to the abdomen, pelvis and legs.
Aneurysms pose two major risks: they can rupture, causing massive bleeding; and blood clots can form inside them and be carried into other areas of the body. According to the Society of Interventional Radiology, 50 percent of people with untreated abdominal aortic aneurysms (AAA) die of rupture.
While an aneurysm can sometimes be felt as a pulsing lump in the abdomen or cause abdomen, side or back pain, in most cases there are no symptoms. Aneurysms are often discovered during scans or examinations for other problems.
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