Also known as "spontaneous intracerebral hemorrhage" and sometimes generally as "cerebral hemorrhage"
~10% of all acute strokes
Warfarin use is significant risk factor
Accounts for 5-15% of all cases
Risk of ICH doubles for each 0.5 increase in INR above 4.5
Accounts for 5-15% of all cases
Risk of ICH doubles for each 0.5 increase in INR above 4.5
Intracerebral
Hypertension
 Cerebral amyloid angiopathy (usually found in elderly, tends to be lobar in nature)
Anticoagulation
Vascular malformations (e.g. AVM, moyamoya
Cocaine use
Subarachnoid hemorrhage
Berry aneurysm rupture
Arteriovenous malformation
Hypertension
 Cerebral amyloid angiopathy (usually found in elderly, tends to be lobar in nature)
Anticoagulation
Vascular malformations (e.g. AVM, moyamoya
Cocaine use
Berry aneurysm rupture
Arteriovenous malformation
Hemorrhagic stroke
Intra-axial
Ischemic stroke
Hemorrhagic stroke 
Subarachnoid hemorrhage
Traumatic intracerebral hemorrhage
Stroke 
Extra-axial