自二十年代开始用食盐加碘防治地方性甲状腺肿以来,广大山区及平原因碘缺乏所致的地方性甲状腺肿的防治取得了显著成绩。但对环境及食物中并非缺碘的沿海地区出现的甲状腺肿,除日本报道北海道居民患病和我国于志恒氏论及海滨性申状腺肿外,尚未见碘致地方性甲状腺肿之报道。为探讨 Since the beginning of the 20th century, salt iodization prevention and treatment of endemic goiter, the majority of mountain and peace due to iodine deficiency caused by endemic goiter prevention and treatment has made remarkable achievements. However, there are no reports of endemic goiter caused by iodine in Japan, except for the reports of goiter in the coastal area where iodine deficiency is not found in the environment and in food except for the reports of the residents living in Hokkaido in Japan and our country’s discussion of seabed seyo in the coastal area. For discussion