Thyrotropin Receptor Antibody Activities Significantly Correlate with the Outcome of Radioiodine (131I) Therapy for Hyperthyroid Graves' Disease.

The outcome of 131I therapy for 109 patients with Graves' disease was analysed according to pretreatment laboratory data including thyrotropin receptor antibody (TRAb) activities. Forty-five percent of patients became euthyroid, and 13% of patients became hypothyroid within one year after 131I therapy. Forty-two percent of patients remained hyperthyroid one year after 131I therapy. Pretreatment va…