众所周知碘过剩可抑制碘的有机化过程。经甲状腺切除术或~(131)Ⅰ处理的淋巴瘤性甲状腺肿或突眼性甲亢的患者易患碘性粘液水肿。在服用含碘药物的患者中,即使没有任何甲状腺疾患的证据也偶而见到碘诱导甲低症的报道。我们已指出经常摄取海藻也能引起明显的原发性甲低症,组织学上被证实为淋巴瘤性甲状腺炎。碘诱导的甲低症在日本并不罕见,平均碘摄取约为0.1～20mg/天,在限 It is well known that excess iodine can inhibit the organic process of iodine. Patients who have undergone thyroidectomy or 131I-treated lymphoma or exophthalmos are predisposed to iodine-induced mucinous edema. Iodine-induced hypothyroidism is occasionally seen even in the absence of any evidence of thyroid disease in patients taking iodized medications. We have noted that frequent ingestion of algae can also cause significant primary hypothyroidism that is histologically confirmed as having lymphoid thyroiditis. Iodine-induced hypothyroidism is not uncommon in Japan with an average iodine uptake of about 0.1 to 20 mg / day,