Sandbox:DDx HEENT
- 15-30 yo women
- Fatigue, weight gain, cold intolerance, constipation, myopathy, depression, menorrhagia, and infertility
- Nontender mild neck swelling
- Puffy face, bradycardia, and dry skin
- Decreased T3/T4 and increased TSH
- Anti-thyroid peroxidase antibodies
- Elevated cholesterol levels
- Hypoechoic thyroid gland with coarse or "micronodular" echotexture on U/S
- Increased vascularity of the gland
- Extensive T cell lymphocytic infiltrate
- Nuclear clearing
- Germinal center formation
- Hürthle cells and giant cells
- Fibrosis
- HLA-DR5
- CTLA4