title: Asymmetrical hearing loss.
abstract: BACKGROUND
  General practitioners are usually the first point of contact for patients with hearing loss. Asymmetrical sensorineural hearing loss can be a symptom of a wide range of diseases. A correct diagnosis is essential for appropriate treatment and limitation of the progression of hearing loss.
  
  
  OBJECTIVE
  This article provides an outline for an approach to a patient presenting with asymmetrical sensorineural hearing loss, and also provides a brief summary of four disease processes which may present with asymmetrical hearing loss.
  
  
  CONCLUSIONS
  Asymmetrical sensorineural hearing loss may be secondary to the process of aging or simply be related to excessive noise exposure. It can however, be the only presenting symptom of a vestibular schwannoma or an intracranial tumour. A high level of clinical suspicion is required to ensure that these pathologies are not missed.
authors.affiliation: The Alfred Hospital, Melbourne, Victoria. jessicaprasad@mac.com
authors.forename: Jessica
authors.initials: J
authors.lastname: Prasad
authors.forename: Vincent C
authors.initials: VC
authors.lastname: Cousins
mesh_terms: D001932:Brain Neoplasms / Q000175:diagnosis; D005194:Family Practice; D046088:Hearing Loss, Unilateral / Q000175:diagnosis* / Q000209:etiology / Q000503:physiopathology; D006801:Humans; D009464:Neuroma, Acoustic / Q000175:diagnosis