The provider uses a small endoscope to access the brain, along with stereotactic imaging guidance, to perform a ventriculocisternostomy. In this procedure, the provider creates an artificial opening in the floor of the third ventricle of the brain to the cisterna magna, one of three principal openings in the subarachnoid space where cerebrospinal fluid, or CSF, drains. The provider performs this procedure to treat hydrocephalus; most often a form known as noncommunicating hydrocephalus to allow CSF to drain inside the patient’s body.
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