Sensorineural deafness seen in -
(a) Alport's syndrome
(b) Pendred syndrome
(c) Treacher - Collins syndrome
(d) Crouzon's disease
(e) Michel’s aplasia
Causes of Congenital Deafness
Conductive hearing loss

Meatal atresia
Fixation of stapes footplate
Fixation of malleus head
Congential cholesteatoma
Ossicular discontinuity
Crouzons syndrome
Aperts syndrome.

Mnemonic
Sensorineural Hearing Loss
abcd
bcda
abce
bcda