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Thyroid Function Tests

Thyroid function tests are used to identify hypothyroidism or hyperthyroidism, and suggest their cause. This section outlines an approach to the interpretation of TFTs.

Thyroid Function

Thyroid Antibodies

Anti-Thyroglobulin Antibodies

Present in Hashimoto's, though rarely required for diagnosis
Anti-TPO Antibodies

Present in Hashimoto's, though rarely required for diagnosis
Anti-TSH Receptor Antibodies

Pathognomonic of Grave's, though not always required for diagnosis

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