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Intracranial Aneurysms
What Is It?
Arteries are tunnels that blood travels through to get from the heart to various parts of the body. An aneurysm is a bulge in an artery, similar to the bulge that appears at a weak spot of a hose, where the water pressure pushes out to create a bubble. Like the hose bubble, the area of an artery where an aneurysm appears is weak and has the potential to burst.
Aneurysms most frequently occur in the arteries that bring blood to the brain. Brain aneurysms are also known as intracranial aneurysms or berry aneurysms (because most of the time they look like little round berries). They occur in up to 6% of people. In general, most brain aneurysms are small, rarely cause symptoms and have a very low risk of rupture.
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