Fig. 1.
An overview of the clinical course of the patient. Changes in antithyroid drug dosages and choices are indicated by arrows. The dark gray area indicates the duration of hospitalization for worsening thyroid symptoms until RAI administration. At time point 1, intravenous hydrocortisone, oral methimazole, Lugol’s solution, and oral propranolol were added for two days. At time point 2, 10 mCi of RAI was administered. At time point 3, lithium carbonate was discontinued, and thyroxine replacement was initiated. RAI, radioactive iodine therapy; CBZ, carbimazole; PTU, propylthiouracil; Li2CO3, lithium carbonate.