地方性甲状腺肿,在我国分布比較广,患病人数也比較多,一般人叫做大脖子。这个病在我国的云南、四川、貴州、河南、陝西、甘肃、河北、內蒙古等省比較严重。它主要發生在山岳地带,但是平原和沿海一带也有發生的。在山区發病率一般約占当地人口总数的20—60％左右。某些發病比較严 Endemic goiter is widely distributed in our country, and the number of patients suffering from it is also relatively large. Most people call it a big neck. The disease is serious in Yunnan, Sichuan, Guizhou, Henan, Shaanxi, Gansu, Hebei, and Inner Mongolia. It mainly occurs in the mountainous area, but there are also areas along the plains and the coast. The incidence in the mountains generally accounts for about 20-60% of the total population of the local population. Some cases are more severe