Cholesteatoma Attic Retraction Pocket

Eardrum is strongly retracted one can not determine the exact position of its banks the destruction of the lateral wall of the attic is larger and the epithelium begins to grow into the back forming the initial stage of cholesteatoma. The eardrum comprises two parts the pars tensa which is the main part of the eardrum and the pars flaccida which is a smaller part of the eardrum located above the pars tensa either or both of these parts may become retracted. Stratified squamous epithelium may also be present in the middle ear as other clinical or pathological entities such as metaplastic islands of the mucosa.

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