[Timing of follow-up of hyperthyroidism treated with 131I]

The purpose of this study was to explore the optimal reexamination time for the patients who had 131I therapy. The weight of thyroid, serum levels of T3 and T4 were observed in 128 patients with hyperthyroidism in various time before and after 131I therapy. The result indicated that the optimal reexamination time for the patients was 60 to 90 days after 131I treatment if the patient has no special complaints.