title: Obstruction of the external auditory canal by a keratin cast: Keratosis obturans or cholesteatoma?
authors.affiliation: Department of Dermatology, Geisinger Medical Center, Danville, Pennsylvania.
authors.forename: Scott R
authors.initials: SR
authors.lastname: Dalton
authors.affiliation: Department of Dermatology, Geisinger Medical Center, Danville, Pennsylvania; Department of Pathology, Geisinger Medical Center, Danville, Pennsylvania.
authors.forename: Tammie
authors.initials: T
authors.lastname: Ferringer
authors.affiliation: Department of Dermatology, Geisinger Medical Center, Danville, Pennsylvania. Electronic address: cmowad@geisinger.edu.
authors.forename: Christen M
authors.initials: CM
authors.lastname: Mowad
mesh_terms: D000368:Aged; D018424:Cholesteatoma, Middle Ear / Q000150:complications / Q000175:diagnosis* / Q000473:pathology; D003937:Diagnosis, Differential; D004424:Ear Canal; D004427:Ear Diseases / Q000175:diagnosis*; D004433:Earache / Q000150:complications; D005260:Female; D006314:Hearing Loss, Conductive / Q000150:complications; D006801:Humans; D007633:Keratins; D007642:Keratosis / Q000150:complications / Q000175:diagnosis* / Q000473:pathology
chemical_list: D007633:Keratins