cerebellopontine angle tumor

vestibular schwannoma

a benign but life-threatening tumor arising from Schwann cells, usually of the vestibular division of the eighth cranial nerve in early stage; produces hearing loss, tinnitus, and vestibular disturbances and in late stages cerebellar, brainstem, and other cranial nerve signs and increased intracranial pressure. Synonym(s): acoustic neurinoma, acoustic neuroma, acoustic schwannoma, acoustic tumor, cerebellopontine angle tumor, eighth nerve tumor

cerebellopontine angle tumor

Acoustic neuroma, see there.