Vestibular Schwannomas

Vestibular schwannomas are the most common tumors of the cerebellopontine angle (CPA), the junction between the cerebellum and the brainstem. They constitute around 8% of intracranial tumors. They are benign and arise from the vestibular nerve within the internal auditory canal growing from the canal into the CPA eventually causing brainstem compression. Their incidence is around 2.5 per 100,000. Around 70% of tumors do not grow following diagnosis but those that do or those that are already lar