A 43-year-old man comes to the physician for a 2-day history of neck tenderness and palpitations. He recently recovered from an upper respiratory tract viral infection. Serum TSH is 0.01 mIU/L. Which of the following is most likely to be seen in this patient?
Anti-microsomal antibody
Hot nodule
Exophthalmos
Reduced 131I uptake
Thyroid-stimulating immunoglobulin
