Ear, nose & throat · UKMLA & AKT
Acoustic neuroma
A free high-yield preview for the UKMLA Applied Knowledge Test, covering how to recognise this condition. The full SA Note notes add investigations, management and complications, with practice questions on this topic.
Key high-yield points
- Benign tumours of Schwann cells myelinating the vestibular division of CN VIII - correctly called vestibular schwannomas
- Most common tumour of the cerebellopontine angle (CPA) - 80-90% of CPA masses
- Vast majority: sporadic, unilateral; bilateral = neurofibromatosis type 2 (NF2) - autosomal dominant, chromosome 22 (merlin gene)
- Peak incidence: fifth and sixth decades; slight female predominance
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