A 25-year-old female presents to the office after visiting t…
A 25-year-old female presents to the office after visiting the emergency room over the weekend. She recently had surgery for a broken ankle but developed a fever, felt like her heart was racing, and was very anxious. Upon presentation to the ER, she was found to have a TSH of 0.8 and was diagnosed with thyroid storm. She is unaware of any thyroid history but hasn’t felt “right” for the past year, reporting weight loss, fatigue, and tremors. She was treated for the storm and referred to you. Which of the following is she likely to have that has not yet been diagnosed?