Skip to main content

Acoustic Neuroma

Daniel Scott Morrison, MD, Jal J. Trivedi, MD and Chirag N. Shah, MD Reviewed 05/2023
 


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 (an average symptom onset of 4 years)

    • Loss of speech discrimination

    • Tinnitus

    • Unsteadiness while walking is common, but ve...

TREATMENT

GENERAL MEASURES

  • Treatment options include observation, stereotactic radiosurgery, fractionated radiotherapy, and microsurgery. Tumors with a maximal diameter of <1.5 cm in the cerebellopo...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

  • MRI and audiometry

  • Progression of hearing loss, regardless of tumor growth or treatment is expected. A recent study showed no significant difference in serviceable...

REFERENCES

1
Breshears J, Chang J, Molinaro A, et al. Temporal dynamics of pseudoprogression after gamma knife radiosurgery for vestibular schwannomas-a retrospective volumetric study. Neurosurgery. 20...

CODES

ICD10

D33.3 Benign neoplasm of cranial nerves 

SNOMED

126949007 acoustic neuroma (disorder) 

CLINICAL PEARLS

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

  • MRI with gadolinium is the gold s...

Subscribe to Access Full Content

Sign Up for a 10-Day Free Trial

Sign up for a 10-day FREE Trial now and receive full access to all content.

 
×