地方性甲状腺肿是我国和世界分布最广、患病人数最多的一种地方病,也是一种威胁全世界五大洲的一种常见病。因此,联合国卫生组织认为本病是一个严重的公共卫生问题。地方性甲状腺肿的基本特征是甲状腺肿大,而甲状腺肿火不仅见于缺碘的地方性甲状腺肿病区,同时也见于不缺碘的所谓非病区。所不同的只是发生的频度及程度有所差 Endemic goitre is one of the most widely distributed endemic diseases in our country and in the world. It is also a common disease that threatens the five continents of the world. Therefore, the WHO considers this disease a serious public health problem. The basic characteristics of endemic goiter goiter, and goiter is not only seen in iodine deficiency endemic goiter area, but also seen in the so-called non-iodine deficiency area. The difference is only the occurrence of the frequency and degree of difference