Keratosis obturans is the buildup of extra skin cells and flakey skin in the ear canal. It may be associated with pain or mild hearing loss. It is usually treated by removing the buildup of material and then medicine is applied to the ear canal.
Raz Y. Keratosis obturans and canal cholesteatoma. In: Myers EN, Carrau RL, eds. Operative Otolaryngology: Head and Neck Surgery. Philadelphia, PA: Elsevier Saunders; 2008:chap 110.
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