Hashimoto's thyroiditis with elevated serum IgG4 concentrations is not equivalent to IgG4 Hashimoto's thyroiditis.
Yang YuNan YuGuizhi LuTing LiYang ZhangJing ZhangYing GaoYanming GaoXiaohui GuoPublished in: Clinical endocrinology (2018)
The measurement of serum IgG4 allows the identification of patients with HT closely associated with hypothyroidism. However, our study demonstrated that elevated serum IgG4 HT is not equivalent to IgG4 HT.
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