Figure 2From: A patient with Graves’ disease showing only psychiatric symptoms and negativity for both TSH receptor autoantibody and thyroid stimulating antibody Changes of the first generation TSH receptor autoantibody (TRAb1), the second generation TSH receptor autoantibody (TRAb2) and thyroid stimulating antibody (TSAb). The cutoff points for TRAb1 and TSAb are values recommended by manufactures. The cutoff point for TRAb2 is value recommended by Schott M, et al. [10].Back to article page