Lab

Antithyroid Antibody

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Antithyroid Antibody, Thyroid Autoantibody, TSH Receptor Antibody, Anti TSH receptor antibody, TSHrAb, Thyroid Stimulating Immunoglobulin, Antithyroid Microsomal Antibody, Antithyroid Peroxidase Antibody, Antithyroglobulin Antibody, Thyroglobulin Antibody, TPO Antibody

  • See Also
  1. Thyroid Function Test
  2. Thyroid Function Summary
  3. Triiodothyronine ( Free T3)
  4. Thyroxine (Free T4)
  5. Thyroid Stimulating Hormone (TSH)
  6. Free Thyroxine Index (Free T4 Index)
  7. Thyroxine Binding Globulin (TBG)
  8. Thyroid Releasing Hormone (TRH)
  9. Thyroxine Replacement
  10. Hypothyroidism
  11. Hyperthyroidism
  12. Hypothyroidism in Pregnancy
  13. Thyroid Dysfunction in Pregnancy
  • Measurement
  1. Bioassay
  • Labs
  • Thyroid Stimulating Immunoglobulin (TSH receptor ab)
  1. Binds and activates TSH receptor in Thyroid
  2. Linked with Grave's ophthalmopathy
  3. Sensitive and Specific for Grave's Disease as a cause of Hyperthyroidism
    1. Test Sensitivity: 97%
    2. Test Specificity: >=98%
  • Labs
  • Antithyroid Microsomal Antibody (TMAb) or Antithyroid Peroxidase Antibody (TPO Antibody)
  1. Seen in Autoimmune Thyroiditis
    1. Hashimoto's Thyroiditis
    2. Subacute Thyroiditis
    3. Silent Thyroiditis
    4. Postpartum Thyroiditis
  • Labs
  • Antithyroglobulin Antibody (TgAb)
  1. Seen in Hashimoto's Thyroiditis
  2. Less commonly elevated compared with TMAb