Radiographic evaluation of the tegmen in patients with superior semicircular canal dehiscence.

ObjectiveTo determine a radiographic association between superior semicircular canal dehiscence (SSCD) and tegmen dehiscence (TD).Study DesignRetrospective case-control series.SettingTertiary referral center.PatientsPatients seen between 2003 and 2010 with radiographic SSCD were compared with cochle