Table 2

Proposed classification of hydrocephalus

Site of Obstruction
Pathology
Treatment

None
Choroid plexus papilloma
Removal
Foramen of Monro
Tumor, congenital anomaly, postshunt ventricular asymmetry
Tumor removal, septum pellucidotomy, ventricle shunt
Aqueduct of Sylvius
Congenital lesion, tumor secondary to extraventricular obstruction
ETV, ventricular shunting
Outlets of fourth ventricle
Chronic meningitis, Chiari II malformation
ETV, ventricular shunting
Basal cisterns
Meningitis, post subarachnoid hemorrhage
ETV, ventricle shunt, spinal thecal shunt
Arachnoid granulations
Hemorrhage or infection in infancy
Ventricle or thecal shunt
Venous outflow
Skull base anomalies, congenital heart disease
Ventricle or thecal shunt, treatment of vascular anomaly if possible

ETV: endoscopic third ventriculostomy

Rekate Cerebrospinal Fluid Research 2008 5:2   doi:10.1186/1743-8454-5-2