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自身免疫性甲状腺炎患者血清中存在多种抗体，本文对６８例患者测定了甲状腺球蛋白抗体（ＴＧＡ）和甲状腺微粒体抗体（ＴＭＡ），结果显示，本病患者这两种抗体明显高于Ｇｒａｖｅｓ病者。单纯性甲状腺肿和亚急性甲状腺炎两种抗体均正常。凡抗体增高者甲状腺针吸细胞学检查有淋巴细胞浸润和纤维组织增生。说明测定ＴＧＡ和ＴＭＡ以及针吸细胞学检查是诊断自身免疫性甲状腺炎（ＡＩＴ）的主要依据。
There are many antibodies in the sera of patients with autoimmune thyroiditis. Thyroglobulin antibody (TGA) and thyroid microsomal antibody (TMA) were measured in 68 patients. The results showed that these two antibodies were significantly higher than Graves patient. Simple goiter and subacute thyroiditis two antibodies were normal. Where antibody increased thyroid needle aspiration cytology lymphocyte infiltration and fibrous tissue hyperplasia. Description Determination of TGA and TMA and needle aspiration cytology is the main basis for the diagnosis of autoimmune thyroiditis (AIT).