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Case contributed by Frank Gaillard
Diagnosis certain


Unilateral hearing loss.

Patient Data

Age: Adult

Soft tissue attenuation region in left middle ear cavity, expanding the Prussak space, eroding scutum and ear ossicles, extending into mastoid.

Case Discussion

The patient went on to have a resection. 


Fragments of keratin debris and benign squamous epithelium, consistent with cholesteatoma.

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