forty-six patients whose thyroid glands had been ablated for thyroid carcinoma , maintained on replacement treatment with triiodothyronine ( t3 ) , have been followed by means of serial determinations of pituitary thyrotropin ( tsh ) levels and of the tsh response to thyrotropin-releasing hormone ( trh ) , in order to verify the actual dose required to suppress tsh secretion .
C0040132
thyroid glands
C0549473
thyroid carcinoma