An extremely high level of anti-thyroglobulin (anti-Tg) antibodies (305.3 IU/mL; reference: <4.5 IU/mL) and antithyroid peroxidase (anti-TPO) antibodies (>1300 IU/mL; reference: <60 IU/mL) corresponded with Hashimoto's thyroiditis. Here, TG is linked to Hashimoto thyroiditis.