Acoustic neuroma

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Background

  • AKA vestibular schwannoma
  • Schwann cell derived tumor of cranial nerve VIII
  • Typically arise from vestibular division of CN VIII--> expands--> projects from internal auditory canal into cerebellopontine angle--> compresses CN VII and VIII
    • Less commonly, can continue to enlarge and compress cerebellum, brain stem, and CN V, IX, and/or XII

Clinical Features

Differential Diagnosis

Vertigo

Sensorineural hearing loss

Evaluation

Management

  • Typically monitored without resection unless rapidly growing or bothersome symptoms

Disposition

  • Discharge

See Also

External Links

References

Authors: