Also, the stylomastoid canal contains a vascular plexus that enhances. Patients present with external ear deformities and a conductive hearing loss. Inner ear anomalies are often isolated. Patients present with a sensorineural hearing loss. The SSC's appear short and wide or form common lumen with vestibule.
Cochlea consists of a basilar turn with a cystic cavity.
Atretic or dilated vestibular aqueduct.