External auditory canal exostosis surgery is indicated in cases where there is a total or near total closure of the external auditory canal.
In the initial as well as the more advanced stages, cleaning the ear is very difficult and sometimes almost impossible. This will make external otitis very recurrent and may even have hearing loss.
What is exosotosis of the external auditory canal?
External auditory canal exostoses are benign bone formations. These bony growths occur in the ear canal causing a narrowing of it. They are generally bilateral formations. They appear on the anteroinferior and posterior walls of the external auditory canal of the ear.
Although its exact cause is unknown, the strongest theory is that it is caused by irritation that originates in the external canal from repeated contact with cold water. For this reason, exostoses of the external auditory canal are more frequent in people who practice water sports.
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