An Aneurysm is a bulge, or weakening, of a blood vessel. They often appear in the aorta (chest or abdominal), brain, back of the knee, intestine, or spleen. A ruptured aneurysm can cause internal bleeding, stroke, and can sometimes be fatal. Aneurysms often have no symptoms until they rupture. Treatment depends on the location, size, and condition of the aneurysm. A brain or cerebral aneurysm is a cerebrovascular disorder in which the wall of an artery in the brain becomes weak and balloons outward. The ballooned part of the artery is the aneurysm. An aneurysm has thin walls and can leak or
