Fenestral otosclerosis

Case contributed by Zentout Sofiane
Diagnosis almost certain

Presentation

Bilateral progressive hearing loss

Patient Data

Age: 55 years.
Gender: Male
ct

CT demonstrates a bilateral focal area of demineralization, just anterior to the oval window (in the region of the fissula ante fenestram).

Case Discussion

CT findings are consistent with bilateral fenestral otosclerosis.

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