2. Case report
A 28-year-old female developed cough, chills and fever along with fatigue and headache and had a confirmatory RT-PCR test for COVID-19 on February 14, 2022. Her symptoms lasted a week. One month later, she had palpitations and shortness of breath when exercising. There was no history of prior thyroid disease and normal thyroid function tests pre-COVID infection had been documented previously (Table 1). Mild and painless thyromegaly was present. Further evaluation on March 21, 2022 indicated TSH <0.01 mIU/L (range 0.34–5.6), elevated Free T4 36.04 pmol/L (7.86 – 14.41), elevated TRAb 31.7 U/L (normal <1.75 U/l), CRP and ESR normal (Table 1).
Table 1
Summary of patient demographics, time between COVID infection and onset of symptoms, clinical presentation, laboratory results before and after COVID infection, and thyroid imaging.