Keratosis obturans is the build up of extra skin cells and flakey skin in the ear canal. It may be associated with pain or mild hearing loss.
Guss J, Ruckenstein MJ. Infections of the external ear. In: Cummings CW, Flint PW, Haughey BH, et al., eds. Otolaryngology: Head & Neck Surgery. 5th ed. Philadelphia, Pa.: Elsevier Mosby; 2010:chap 137.
Linda J. Vorvick, MD, Medical Director and Director of Didactic Curriculum, MEDEX Northwest Division of Physician Assistant Studies, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, Bethanne Black, Stephanie Slon, and Nissi Wang.