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Keratosis obturans

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.

Review Date 4/14/2015

Updated by: Kevin Berman, MD, PhD, Atlanta Center for Dermatologic Disease, Atlanta, GA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.