甲状腺功能测试的实际应用。
The practical use of thyroid function tests.
作者信息
Feldman J M
出版信息
Am Fam Physician. 1977 Sep;16(3):159-65.
The diagnosis of thyroid disorders can usually be established by two tests: the serum T4 and the resin T3 uptake (RT3U). The T4 test measures both free and bound thyroxine; the RT3U reflects the number of binding sites available on thyroid-binding globulin. The values of these two tests can be used to calculate a free thyroxine index (FTI), which gives an approximation of the free T4 in the serum. Measurement of thyroid-stimulating hormone (TSH) is useful for the diagnosis of hypothyroidism, while the thyrotropin-releasing hormone (TRH) test may facilitate diagnosis of hyperthyroidism.
甲状腺疾病的诊断通常可通过两项检查来确定
血清T4和树脂T3摄取试验（RT3U）。T4检查可测量游离甲状腺素和结合甲状腺素；RT3U反映甲状腺结合球蛋白上可用结合位点的数量。这两项检查的值可用于计算游离甲状腺素指数（FTI），它能大致反映血清中的游离T4水平。促甲状腺激素（TSH）的测量对甲状腺功能减退症的诊断很有用，而促甲状腺激素释放激素（TRH）试验可能有助于甲状腺功能亢进症的诊断。
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