Question

A 32-year-old woman presents with fatigue, weight gain, and cold intolerance. Blood tests show: TSH 15 mU/L (0.4-4.0), Free T4 8 pmol/L (12-22). What autoantibody is most commonly associated with the underlying cause?

Accepted Answer

Anti-thyroid peroxidase antibodies (Anti-TPO)

Answer

Anti-TSH receptor antibodies (TRAb)

Answer

Anti-thyroglobulin antibodies

Answer

Anti-nuclear antibodies (ANA)

Answer

Anti-mitochondrial antibodies (AMA)

Practice question

A 32-year-old woman presents with fatigue, weight gain, and cold intolerance. Blood tests show: TSH 15 mU/L (0.4-4.0), Free T4 8 pmol/L (12-22). What autoantibody is most commonly associated with the underlying cause?