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<unk> .
Cerebral aneurysm
Intracranial aneurysms
Carotid artery dissection
Intracranial berry aneurysm
Subarachnoid hemorrhage
Arterial thrombosis
Cerebral vasculitis
Carotid artery stenosis