A 55-year-old man presents to the physician for a routine health maintenance examination. Vitals are: temperature 98.6F, HR 88, RR 14, BP 135/85. BMI is 26. He has lost approximately 10 pounds the past month. Serum TSH is 0.3 mIU/L (NR 0.5-5.0). The thyroid gland is small and non-palpable. Radioiodine uptake is decreased. What’s the diagnosis?
Graves disease
Hashimoto thyroiditis
Riedel thyroiditis
Surreptitious thyrotoxicosis
Thyroid failure (idiopathic senile type)
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Cut-to-the-chase Answer (0:33):
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HY USMLE Answer (5:56):