<unk>  is a tear in the intima of the<unk><unk>  wall causing separation of the wall layers.  The<unk><unk>  supplies blood to the head and brain.<unk><unk>  is an important cause of stroke in young adults.
Carotid artery dissection
Vertebral artery dissection
Cerebral aneurysm
Carotid artery stenosis
Charcot-Bouchard aneurysm
Intracranial berry aneurysm
Cholesterol emboli syndrome
Subarachnoid hemorrhage