Concentration of Thyroglobulin and Thyroglobulin-Specific Autoantibodies in Patients With Differentiated Thyroid Cancer After Treatment With Radioactive Iodine 131

Background: Measurement of serum thyroglobulin (Tg) is primarily used as a tumor marker in the postoperative management of patients with differentiated thyroid cancer (DTC), while thyroglobulin autoantibodies (TgAbs) are elevated in some patients as well. The aim of this study was to evaluate the concentrations of Tg and TgAbs in DTC patients 3 and 6 months after radioiodine therapy and to analyze whether the development and course of TgAbs is...