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Primary cholesteatoma

Primary cholesteatoma
Left ear. Epitympanic erosion with cholesteatoma. Extension of the cholesteatoma into the mesotympanum (visible through the transparent pars tensa).
Reproduced with permission from: Sanna M, Russo A, DeDonato G, et al. Color Atlas of Otoscopy: From Diagnosis to Surgery, 2nd ed, Thieme, New York 2002. Copyright © 2002 Thieme Publishers.
Graphic 88599 Version 1.0