TPO antibody status prior to first radioactive iodine therapy as a predictive parameter for hypothyroidism in Graves' disease KU Leuven
OBJECTIVE: We investigated whether a positive thyroid peroxidase antibody (TPO Ab) status before radioactive iodine (RAI) therapy in patients with Graves' hyperthyroidism is a predictive factor for developing hypothyroidism post RAI. METHODS: We performed a retrospective study of patients with Graves' hyperthyroidism with known TPO Ab status, receiving the first administration of RAI. Patients from four thyroid outpatient centres in Belgium ...