<unk>  <unk>  is a surgical procedure for treatment of hydrocephalus in which an opening is created in the floor of the<unk>  ventricle using an endoscope placed within the ventricular system through a burr hole. This allows the cerebrospinal fluid to flow directly to the basal cisterns, bypassing the obstruction. Specifically, the opening is created in the translucent tuber cinereum on the<unk>  ventricular floor.
Endoscopic third ventriculostomy
Ventriculostomy
Cerebrospinal fluid diversion
External ventricular drain
Ventriculotomy 
Craniotomy
Decompressive craniectomy
Lumbar–peritoneal shunt