- An acoustic neuroma is a benign Schwann cell-derived tumor of the eighth cranial nerve.
- Also known as a vestibular schwannoma.
- Usually unilateral
- In neurofibromatosis type 2, acoustic neuromas are typically bilateral.
Signs and Symptoms
- Imaging of choice is MRI. Vestibular schwannomas can also be detected with CT scan.
- Audiometry may be performed initially to confirm asymmetric sensorineural hearing loss.
- Management may include observation with serial MRIs, surgery, or focused radiation.
- Treatment depends on many factors including the patient’s age and health, severity of hearing loss, and tumor size.