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Exam Cram
Exam Cram
Benign brain tumour of vestibular cranial nerve (8th), vestibular schwannoma
Presentation: insidious unilateral hearing loss, tinnitus or vertigo
Diagnosis: MRI
Management: ENT referral
Outline
Outline
Background
Background
Typically 30-60yrs
Slow growing cancer, usually benign (nil metastasis)
Overproduction of schwann cells
Associated with Neurofibromatosis, type 2 (particularly bilateral)
Incidence: 1/100,000
Presentation
Presentation
Local vestibular dysfunction: unilateral- tinnitus, vertigo, hearing loss
Wider: trigeminal- facial numbness
Management
Management
Monitor with regular MRIs
Brain surgery
Stereotactic radiosurgery
Complications
Complications
Hydrocephalus
Return post surgical excision 5%
References
NHS (2017) Acoustic neuroma (vestibular schwannoma), nhs.uk. Available at: https://www.nhs.uk/conditions/acoustic-neuroma/.
National Institute on Deafness and Other Communication DIsorders (2015) Vestibular Schwannoma (Acoustic Neuroma) and Neurofibromatosis, NIDCD. Available at: https://www.nidcd.nih.gov/health/vestibular-schwannoma-acoustic-neuroma-and-neurofibromatosis.
Cite this page:
MunroMedics (2024) Munro Medics - Acoustic Neuroma, Google.com. Available at: https://www.munromedics.com/pathology/az-disease/a/aa-ac/acoustic-neuroma
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