Otosclerosis

Question 1

Epidemiology

Answer 1

most common cause of progressive deafness in young adults.

Question 2

Inheritance pattern

Answer 2

Autosomal dominant

Question 3

Bone around the base of the […] becomes thickened and eventually fuses with the bone of the […].
This prevents the stapes natural function as a piston onto the cochlea and conduction progressively gets […] until a maximal […] hearing loss of […] is reached.

Answer 3

Bone around the base of the stapes becomes thickened and eventually fuses with the bone of the cochlea.
This prevents the stapes natural function as a piston onto the cochlea and conduction progressively gets worse until a maximal conductive hearing loss of 60dB is reached

Question 4

Mx

Answer 4

Hearing aids
Stapedectomy