thyroid suppression test
Definition: a thyroid function test used to diagnose difficult cases of hyperthyroidism, now largely replaced by the thyrotropin-releasing hormone stimulation test; triiodothyronine is administered for a week to 10 days, and a reduction of its uptake by the thyroid gland to less than half of the initial uptake is a normal response.
Synonym(s): Werner test
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Examples: glitazone, GI cocktail, etc.