Cholesteatoma

Case contributed by Assoc Prof Frank Gaillard

Presentation

Unilateral hearing loss.

Patient Data

Age: Adult
CT

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. 

Histology: 

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

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