PROFESSOR TONY WRIGHT, INSTITUTE OF LARYNGOLOGY & OTOLOGY / SCIENCE PHOTO LIBRARY PROFESSOR TONY WRIGHT, INSTITUTE OF LARYNGOLOGY & OTOLOGY / SCIENCE PHOTO LIBRARY
Cholesteatoma. View along the external ear canal showing a large cholesteatoma, a growing collection of skin cells & debris. The dense, granular mass has eroded adjacent tissue & has extended into the posterior part of the middle ear. A large cholesteatoma may press against the eardrum (tympanic membrane), possibly causing it to perforate. Surgery is always necessary to repair an eardrum perforated by a cholesteatoma.
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