Monarch Disease Ontology term MONDO_0010134 (Pendred syndrome) (PDS) is a clinically variable genetic disorder characterized by bilateral sensorineural hearing loss and euthyroid goiter. Also known as: TDH2B, congenital hypothyroidism due to dyshormonogenesis 2B, deafness with goiter, deafness with goitre, genetic defect in thyroid hormonogenesis 2B, goiter-deafness syndrome, hypothyroidism, congenital, due to dyshormonogenesis, 2B, thyroid dyshormonogenesis 2B.