Thyroid Hypoplasia in Congenital Hypothyroidism Associated with Thyroid Peroxidase Mutations

Background: Primary congenital hypothyroidism (CH) affects about 1:3000 newborns worldwide and is mainly caused by defects in thyroid gland development (thyroid dysgenesis [TD]) or hormone synthesis. A genetic cause is identified in T, p.S292F) was found in the Tunisian patient with severe thyroi…