Exostoses | Otolaryngology — Head & Neck Surgery - Stanford …
https://med.stanford.edu/ohns/OHNS-healthcare/earinstitute/conditions-and-services/conditions/exostoses.html
WebExostoses, sometimes called surfer's ear, are bony overgrowths in the ear canal. What causes it? Exostoses are most commonly found in people with a history of cold water exposure. However, these bony overgrowths can also occur in people with no prior water history. Multiple smooth, round, bony overgrowths are seen, and often in both ears.
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