Intra-axial<unk> c stroke (Spontaneous intracerebral<unk> 
Traumatic intracerebral<unk> 
Extra-axial<unk> 
Subdural<unk> 
Subarachnoid<unk>  (aneurysmal intracranial<unk> <unk> c stroke (Spontaneous intracerebral<unk> 
Traumatic intracerebral<unk> <unk> 
Subdural<unk> 
Subarachnoid<unk>  (aneurysmal intracranial<unk>
Epidural hemorrhage
Intra-axial
Subdural empyema
Hemorrhagic stroke 
Epidural abscess 
Traumatic intracerebral hemorrhage
Post-lumbar puncture headache
Extra-axial