Bilateral otospongiosis

Case contributed by Eiman Akkary

Presentation

Patient presented with hearing loss and tinnitus.

Patient Data

Age: 50
Gender: Female
Modality: CT

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
Case created: 6th Apr 2015
Last edited: 27th Sep 2015
System: Head & Neck
Inclusion in quiz mode: Included

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