ear, nose, and throat disorders
Otosclerosis
Introduction
Otosclerosis causes abnormal bone to form and accumulate in the bones of the ear. The abnormal bone interferes with the transmission of sound from the middle ear to the inner ear. In otosclerosis, the area most commonly affected is around the Middle Ear (one of three bones that connect the eardrum with the Otosclerosis tends to run in families, and half of all cases are inherited. Children have a 25% chance of developing otosclerosis if one parent has it and a 50% chance if both parents have it. 