Last reviewed: November 2017
Last updated: August  2017

Summary

Definition

History and exam

Key diagnostic factors

  • asymmetrical hearing loss
  • facial numbness
  • progressive episodes of dizziness

Other diagnostic factors

  • tinnitus
  • difficulty localising sounds
  • headache
  • facial weakness
  • increased or decreased tears
  • metallic or reduced taste
  • diplopia on lateral gaze
  • nystagmus
  • loss of balance and co-ordination difficulties
  • slower blink
  • swallowing difficulties
  • gait disturbances
  • hydrocephalus
  • papilloedema
  • increased intracranial pressure

Risk factors

  • neurofibromatosis type 2

Diagnostic investigations

1st investigations to order

  • audiogram
  • gadolinium-enhanced MRI head
  • CT head
  • auditory brainstem reflexes
Full details

Treatment algorithm

Contributors

Authors VIEW ALL

Clinical Associate Professor

University of British Columbia

Vancouver Health Sciences Centre

Division of Neurosurgery

Vancouver

British Columbia

Canada

Disclosures

RA declares that he has no competing interests.

Peer reviewers VIEW ALL

Division of Neurosurgery

University of Toronto

Toronto

Ontario

Canada

Disclosures

DR declares that he has no competing interests.

Vice Chairman

Professor

Director

Cerebrovascular Surgery

Co-Director

Skull Base Surgery

Department of Neurological Surgery

University of Washington

Harborview Medical Center

Seattle

WA

Disclosures

LNS declares that he has no competing interests.

Professor

Division of Neurosurgery

Dalhousie University

Halifax

Nova Scotia

Canada

Disclosures

RH declares that she has no competing interests.

Senior Lecturer in Otolaryngology

Honorary Consultant Otolaryngologist

Glasgow Royal Infirmary

Glasgow

UK

Disclosures

IS declares that he has no competing interests.

Department of Otorhinolaryngology-Head and Neck Surgery

AP-HP

Hopital Lariboisiere

Service ORL

Universite Paris 7

Paris and Laboratoire des Réseaux Sensorimoteurs

Paris

France

Disclosures

PTBH declares that he has no competing interests.

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