Alternative titles and symbols : Hypothyroidism, congenital, due to dyshormonogenesis, 4; Deiodinase deficiency; Iodotyrosine dehalogenase deficiency; Thyroid hormonogenesis, genetic defect in, 4;
Inheritance : Autosomal recessive;
Molecular basis : Caused by mutation in the iodotyrosine deiodinase gene (IYD, 612025.0001);
Laboratory abnormalities : Low T4; Low T3; Rapid high RAI (radioactive iodine) uptake and turnover; Iodotyrosine deiodinase deficiency; Continuous urinary iodine loss; Tyrosine loss; Iodine depletion;