Intracranial hemorrhage
Intra-axial
Hemorrhagic stroke (Spontaneous intracerebral hemorrhage)
Traumatic intracerebral hemorrhage
Extra-axial
Epidural hemorrhage
Subdural hemorrhage
Subarachnoid hemorrhage (aneurysmal intracranial hemorrhage)
Brain tumor
Brain abscess
Subdural empyema
Epidural abscess (intracranial)
Intra-axial
Hemorrhagic stroke (Spontaneous intracerebral hemorrhage)
Traumatic intracerebral hemorrhage
Extra-axial
Epidural hemorrhage
Subdural hemorrhage
Subarachnoid hemorrhage (aneurysmal intracranial hemorrhage)
Hemorrhagic stroke (Spontaneous intracerebral hemorrhage)
Traumatic intracerebral hemorrhage
Epidural hemorrhage
Subdural hemorrhage
Subarachnoid hemorrhage (aneurysmal intracranial hemorrhage)
Intracranial mass
Intracranial hemorrhage
Epidural hemorrhage
Intra-axial
Epidural abscess 
Hemorrhagic stroke 
Post-lumbar puncture headache
Traumatic intracerebral hemorrhage