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Antithyroid AntibodyAka: TSH Receptor Antibody, Thyroid Stimulating Immunoglobulin, Antithyroid Microsomal Antibody, Antithyroid Peroxidase Antibody, Antithyroglobulin Antibody

Measurement
1. Bioassay
Thyroid Stimulating Immunoglobulin (TSH receptor ab)
1. Binds and activates TSH receptor in Thyroid
2. Seen in Hyperthyroidism: Grave's Disease
3. Linked with ophthalmopathy
Antithyroid Microsomal Antibody (TMAb)
1. Antithyroid Peroxidase Antibody
2. Seen in Hypothyroidism
  1. Hashimoto's Thyroiditis
  2. Subclinical Hypothyroidism
Antithyroglobulin Antibody (TgAb)
1. Seen in Hashimoto's Thyroiditis
2. Less commonly elevated compared with TMAb

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This page was written by Scott Moses, MD, and was last revised 1/26/2008. Please send comments and questions to the editor. Contact information may be found on the page About the Family Practice Notebook. These pages are best viewed with Microsoft Internet Explorer 5.0.