Fenesteral otosclerosis

Case contributed by Assoc Prof Frank Gaillard


Progressive hearing loss since last 4-5 years.

Patient Data

Age: 40 years
Gender: Male

On the left, bone demineralization is seen next to oval window with a 'cleft' (fissula ante-fenestrum). Right side is normal. 

Case Discussion

Left otosclerosis (fenestral type) with comparison normal side from same patient.

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Case information

rID: 5573
Published: 9th Dec 2015
Last edited: 17th Oct 2019
System: Head & Neck
Inclusion in quiz mode: Included

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