She is asymptomatic. Vital signs, thyroid palpation, and general physical exam are normal. The results of further tests are: ultrasensitive TSH 0.2 µU/mL (normal, 0.5 5.0); free T 4 1.5 ng/dL ...

1,2); these are usually firm and nontender to palpation, and they may either be ... In Graves' disease, thyroid gland is typically enlarged and soft to slightly firm. Reprinted with permission ...