Vestibular schwannomas account for 8% of all intracranial tumors and are the most common neoplasm of the cerebellopontine angle in adults. These tumors derive from myelinating Schwann cells of the ...

Surgeons use this technique to access the posterior fossa — the area at the back of the skull — and, more specifically, the cerebellopontine angle (CPA).

The cerebellopontine angle is a space in the brain between the cerebellum and the brainstem. NPH occurs when fluid buildup presses on the brain, resulting in dementia-like symptoms.