Exostoses of the External Auditory Canal – Aetiology and Management

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Exostoses of the external auditory canal are multiple, usually bilateral benign bony swellings of the ear canal. They are commonly found in surfers and other watersports enthusiasts, particularly those from colder climates. Recent evidence has suggested that repeated cycles of immersion and evaporative cooling may be an important causative factor.

Patients may present incidentally or with symptoms of wax impaction or recurrent otitis externa. Exostoses themselves rarely cause hearing loss. Most patients can be managed conservatively and the use of ear plugs is gaining increasing acceptance. Rarely surgical correction may be required. Various surgical approaches can and methods of bone removal can be used. In all cases however the emphasis must be on a careful consideration of the surrounding anatomy, meticulous preservation of the ear canal skin and attentive postoperative care if the risk of complications is to be minimised.

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  • Authors: Exostoses of the External Auditory Canal – Aetiology and Management
  • Keywords: Exostoses, External, Auditory, Canal, Surfing, Surgery, Ear.
Read 13808 times Last modified on Tuesday, 10 December 2013 14:22

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