Which among the following is not true about otosclerosis?
Otosclerosis- Enchondral bone conve to spongy bone (Fissula ante fenestrum is mc site )- Conductive Hearing loss- Paracusis willsi - patient hear better in noisy - Eustachian tube is normal- Carha's notch - dip at 2000hz
Hearing better in louder conditions
Eustachian tube is always abnormal
Tympanic membrane is normal
Bilateral progressive conduction deafness
JIPMER 2019