The increased popularity of surfing has produced a marked augumentation in the incidence of ear canal exostosis. However, when it becomes moderately severe, I prefer to call it "hyperostosis." Exposure to cold ocean water for many years can be an important etiologic factor in hyperostosis. There is a serious risk, and a high incidence of tympanic membrane perforations during the removal of large external canal hyperostosis. This injury can be prevented by placing a sheet of Silastic against the tympanic membrane beforehand. I describe the method.
Serious degrees of hyperostosis, causing transient hearing loss and otitis externa, are increasingly common in coastal towns, where cold-water surfing is a popular year-around sport.
Seftel DM. Ear Canal Hyperostosis—Surfer's Ear: An Improved Surgical Technique. Arch Otolaryngol. 1977;103(1):58–60. doi:10.1001/archotol.1977.00780180096015
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