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甲状腺功能减退(简称甲减),是甲状腺产生和分泌甲状腺激素不足,使体内代谢率降低的临床状态。本病根据年龄不同,可有三种临床类型:①发生于胎儿及新生儿者,称克汀病;②发病于发育前儿童,称为幼年粘液性水肿;③开始于成年期者,称为成年粘液水肿。一般根据典型临床表现,即可诊断。过去对亚临床型甲减的诊断,甚为困难。近年来,由于放射免疫技术在激素测定上的广泛应用,使甲减的早期诊断有了进展。
Hypothyroidism (referred to as hypothyroidism), thyroid production and secretion of thyroid hormone deficiency, the body’s metabolic rate decreased clinical status. The disease according to different ages, there are three clinical types: ① occurred in the fetus and newborn, called cretinism; ② onset in pre-developmental children, known as juvenile myxedema; ③ began in adulthood, known as the adult Mucous edema. According to the typical clinical manifestations, you can diagnose. In the past, the diagnosis of subclinical hypothyroidism was very difficult. In recent years, due to the wide application of radioimmunoassay in hormone determination, early diagnosis of hypothyroidism has been made.