为什么缺碘会引起大脖子病

来自袁晓勇医生的专业解答，快打开看看是否又获得了新的知识点～

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医联媒体

病情分析：因为缺碘会迫使甲状腺增大以及增加甲状腺激素的分泌，所以才会引起大脖子，其中甲状腺是含碘的氨基酸衍生物，当人体缺碘时，甲状腺激素原料减少，甲状腺激素分泌过少，导致机体的代偿性病理反应，不断增大甲状腺以吸收更多的碘，而甲状腺在脖子两侧，所以会引起脖子变粗。

袁晓勇

副主任医师

提示：本内容仅作参考，不能代替面诊，如有不适请尽快线下就医

问题描述：脖子部位异常的粗大，得了大脖子病。为什么缺碘会引起大脖子病？