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Bilateral otospongiosis

Case contributed by Dr. Eiman Akkary


Patient presented with hearing loss and tinnitus.

Patient Data

Age: 50
Gender: Female

Bilateral lytic foci on anterior margin of oval window (fisula antefenestrum)

Case Discussion

Fenestral otospongiosis is a cleft of fibrocartilaginous tissue between inner and middle ears just anterior to the oval window demonstrated in CT as lucent foci in early stages that show sclerosis later on (otosclerosis at the late healing phase).

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Case information

rID: 35447
Published: 7th Apr 2015
Last edited: 8th Feb 2020
System: Head & Neck
Inclusion in quiz mode: Included

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