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Acoustic Neuroma
Background
Acoustic Neuroma: Vestibular Schwannoma
An acoustic neuroma is a benign (non cancerous), usually slow growing, brain tumour and accounts for six to ten per cent of all brain tumours. Acoustic neuromas affect approximately 1 in 70,000 persons per year. The cells that form an acoustic neuroma are called Schwann cells and make up the lining of the eighth cranial nerve as it passes through a tiny canal, which connects the inner ear to the brain. Unknown events lead to an overproduction of Schwann cells, which as they multiply, form a small tumour, which fills the canal.
