Otosclerosis Flashcards
1
Q
Features
A
A progressive disease of bone surrounding the inner ear
Develops in the 20s and 30s
Family history (autosomal dominant)
Female preponderance
Affects the footplate of the stapes
Conductive hearing loss
SND may be present
Impedance audiometry shows characteristic features of conductive loss with a mild sensorineural loss
2
Q
Management
A
Stapedectomy (approx. 90% effective)
Hearing aid (less effective alternative)
3
Q
A