Epidural hemorrhage/hematoma
Parenchymatous hemorrhage in the cortex
Subarachnoid hemorrhage
Subdural hemorrhage/hematoma
Ventricular hemorrhage
Cerebral aqueduct
Fourth ventricle
Lateral ventricle
Interventricular foramen
Third ventricle
L1–L2
L2–L3
L4–L5
S1–S2
T12–L1
Anterior horn of the lateral ventricle
Atrium of the lateral ventricle
Body of the lateral ventricle
Caudal roof of the third ventricle
Temporal horn of the lateral ventricle
Bleeding from an arteriovenous malformation
Bleeding from a meningioma
Bleeding from a tumor
Rupture of an aneurysm
Trauma to the head and brain
Ambient
Inferior cerebellopontine
Premedullary
Prepontine
Superior cerebellopontine
Escherichia coli
Haemophilus influenzae
Herpes simplex
Listeria monocytogenes
Streptococcus pneumoniae
Acute bacterial meningitis
Concussion
Epidural hemorrhage
Subarachnoid hemorrhage
Subdural hemorrhage
Bleeding from an astrocytoma
Bleeding from a meningioma
Blood from an arteriovenous malformation
Rupture of an aneurysm
Trauma to the head and brain
Acute bacterial meningitis
Epidural hemorrhage
Subarachnoid hemorrhage
Subdural hemorrhage
Viral meningitis
Anterior choroidal artery
Anterior inferior cerebellar artery
Lateral posterior choroidal artery
Medial posterior choroidal artery
Superior cerebellar artery
Birth to 2 years of age
4–8 years of age
10–15 years of age
17–23 years of age
25years of age