A primary bone dyscrasia involving the otic capsule
This is the leading cause of conductive hearing loss in adults.
There are two forms:
Histologic otosclerosis: asymptomatic form in wh...
Progressive conductive hearing loss, usually with well-preserved speech discrimination
Patients often are soft-spoken and aware that they seem to hear better in noisy environments.
No restrictions on activity
Monitor health-related quality-of-life measures.
Because speech discrimi...
Batson L, Rizzolo D. Otosclerosis: an update on diagnosis and treatment. JAAPA. 2017;30(2):17–22.
Derks W, De Groot JA, Raymakers JA, et al. Fluoride therapy for cochlear otosc...
H80.90 Unspecified otosclerosis, unspecified ear
H80.20 Cochlear otosclerosis, unspecified ear
H80.00 Otosclerosis w oval window, nonobliterative, unsp ear
H80.10 Otosclerosis involving oval w...
The audiometric signature of otosclerosis is a dip in conductive hearing at 2,000 Hz.
Hearing aids are helpful in patients with preserved speech discrimination.
Bilateral involvement and...
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