地方性甲状腺肿(简称地甲病)发生于世界各地,主要发病原因是外环境缺碘,碘掇入不足而致甲状腺代偿性增大。严重时使甲状腺激素形成不足,其子代可发生地方性克汀病(地克病),胚胎期脑发育不全为主,出生后精神发育迟缓,智力障碍,体格发育不良,神经系统受损。近年来把由缺碘引起的上述疾病,概称碘缺乏病 Endemic goiter (referred to as acanthosis) occurs in various parts of the world, the main cause of the external environment is iodine deficiency, iodine deficiency into the thyroid caused by compensatory increase. In severe cases, thyroid hormones are under-developed, their offspring may be localized cretinism (Dick’s disease), embryonic brain hypoplasia, postnatal mental retardation, mental retardation, physical dysplasia, nervous system damage. In recent years caused by the iodine deficiency caused by the above-mentioned diseases, generally referred to as iodine deficiency disorders