A 26yo woman has become aware of increasing right sided hearing deficiency since her recent
pregnancy. Her eardrums are normal. Her hearing tests show: BC-normal. Weber test lateralizes
to the right ear. What is the single most likely dx?
a. Encephalopathy
b. Functional hearing loss
c. Tympano-sclerosis
d. Otosclerosis
e. Sensorineural deafness
Answer: D
Otosclerosis: fusion of stapes, stops vibrating
F>M, progresses during pregnancy
C/P
Progressive conductive hearing loss, may progress to SNHL if cochlea involved
Normal TM -/+ shcwartz sign(pinkish blush)
Dip at 2000hz on audiogram
Treatment
Hearing aid, Stapedectomy/Stapedotomy + implant
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