What is the definition or description of: acoustic neuroma?

Vestibular Schwannom: Vestibular schwannoma is a benign tumor typically arising from the superior vestibular nerve in the cerebellopontine angle. Common symptoms include hearing loss, tinnitus(ringing in the ear) and disequilibrium. Treatment options depend on tumor size, growth, hearing status and presence of neurofibromatosis type 2.

Acoustic neuroma: This is a tumor that arises from the nerve that controls balance and hearing, the viiith cranial nerve. Typically benign and depending on size and symptoms should be considered for surgical resection.