پاورپوینت با عنوان بررسی اختلالات تیروئید در نوزادان Evaluation of Thyroid Disorders in Neonates در فرمت پاورپوینت . 51 اسلاید قابل ویرایش •Agenda •Definitions •Congenital hypothyroidism oPrevalence oScreening management •Neonatal thyrotoxicosis •Developmental defects –1 every 4000 newborns; In Iran >1/1000 –Complete absence of thyroid tissue –Failure of thyroid to descend properly during embryologic development –Route of descent (foramen caecum at the junction of anterior two thirds and posterior third of tongue to normal site or below) •Biosynthetic defects in the thyroid •Pituitary or hypothalamic failure •Family with mutation in gene coding TSH β subunit ...