Deafness and hereditary hearing loss, nonsyndromic
October 23 2016
Summary Hereditary hearing loss and deafness may be conductive, sensorineural, or a combination of both; syndromic (associated with malformations of the external ear or other organs or with medical problems involving other organ systems), or nonsyndromic (no other visible abnormalities of the external ear or any related medical problem); and prelingual (before language develops) or