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Acoustic Neuroma

Diksha Mohanty, MD Reviewed 06/2022
 


BASICS

DESCRIPTION

Acoustic neuromas (also known as vestibular schwannomas) are slow-growing, benign, intracranial, extra-axial tumors originating from the vestibular part of the vestibulocochlear nerv...

DIAGNOSIS

HISTORY

  • Common

    • Sensorineural hearing loss (unilateral), often progressive

    • Sudden deafness

    • Loss of speech discrimination

    • Tinnitus

    • Disequilibrium is common, but vertigo is less common.

  • Less common

    • Wea...

TREATMENT

GENERAL MEASURES

  • Treatment options include observation, stereotactic radiosurgery, fractionated radiotherapy, and microsurgery.

  • Without intervention, 16–26% of patients require additional trea...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

  • Yearly MRI surveillance for slow-growing tumors is advised.

  • MRI and audiometry

  • In one study, composite quality of life (cQOL) score 0 to 5 years out of surgery was ...

REFERENCES

1
Elliott  A, Hebb  AL, Walling  S, et al. Hearing preservation in vestibular schwannoma management. Am J Otolaryngol.  2015;36(4):526–534. [View Abstract on Ovi...

CODES

ICD10

D33.3 Benign neoplasm of cranial nerves 

SNOMED

126949007 acoustic neuroma (disorder) 

CLINICAL PEARLS

  • The most common presenting signs and symptoms are unilateral sensorineural hearing loss, poor speech discrimination, and tinnitus; may present as sudden deafness

  • MRI with gadolinium is ...

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