Pendred Syndrome, also known as goiter-deafness syndrome, is related to congenital hypothyroidism and goiter. An important gene associated with Pendred Syndrome is SLC26A4 (Solute Carrier Family 26 Member 4), and among its related pathways/superpathways are Disorders of transmembrane transporters and Thyroxine (thyroid hormone) production. Affiliated tissues include thyroid and testis, and related phenotypes are sensorineural hearing impairment and abnormality of the inner ear