What Is Brain Aneurysm?

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Definition

An aneurysm is a weak area in the wall of a blood vesel that causes the blood vessel to bulge or balloon out. When an aneurysm occurs in a blood vessel of the brain, it is called a cerebral aneurysm.


Alternative Names

Aneurysm - cerebral; Cerebral aneurysm


Causes, incidence, and risk factors

Aneurysms in the brain occur when there is a weakened area in the wall of a blood vessel. An aneurysm may be present from birth (congenital) or it may develop later in life, such as after a blood...

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Cerebral aneurysm

Image and description of a cerebral aneurysm... Read more »