引言地方性甲状腺肿民间称之为“瘿瘤”,在流行区的居民多称之为“大脖子”、“大粗脖”或“瘿瓜瓜”。其症状为甲状腺肿大而不伴有內分泌的机能障碍,故又称单纯性甲状腺肿;有时腺体肿大过甚而腺组织受到较多的破坏时也可同时伴有甲状腺机能过低的症状。世界上地方性甲状腺肿的流行区分布极为广泛,举凡山岳高原地带,距离海洋较远之处都可有流行区。欧洲阿尔卑斯山区和亚洲的喜马拉雅山一带都是著名的甲 Introduction Local goiter civil called “Tumor”, residents in the popular area are often called “big neck”, “big neck” or “cucumber melon.” The symptoms of goiter without endocrine dysfunction, it is also called simple goiter; gland swelling sometimes over even when more damage to glandular tissue can also be accompanied by hypothyroidism symptoms. The prevalence of endemic goitre in the world is extremely widespread. Take the mountain plateau area as an example, there are popular areas farther away from the ocean. The European Alps and the Himalayas in Asia are famous