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甲状腺机能亢进症(以下简称甲亢)是仅次于糖尿病的内分泌系统常见病。甲状腺吸碘~131率测定对甲亢诊断的准确性达80～90％。缺碘性甲状腺肿,甲状腺肿性呆小病,慢性肝病,妊娠,发热,或服用硫脲类抗甲状腺药物后而引起吸取值增高者,易与甲亢症混淆。这情况可用抑制吸取试验(Suppression-uptake test)作鉴别诊断。抑制吸取试验的临床符合率较甲状腺吸碘~131率有所提高。但该试验费时较久,以甲状腺片作抑制剂时,病人需服药1～2周;以三碘甲状腺原氨酸(tri-iodo-thyronine,
Hyperthyroidism (hereinafter referred to as hyperthyroidism) is second only to the common disease of endocrine system of diabetes. 131I thyroid iodine determination of the accuracy of the diagnosis of hyperthyroidism up to 80 ~ 90%. Iodine-deficiency goiter, goitre’s disease, chronic liver disease, pregnancy, fever, or taking thiourea antithyroid drugs caused by increased suction value, easily confused with hyperthyroidism. This situation can be used to suppress the absorption test (Suppression-uptake test) for differential diagnosis. Inhibition of the clinical compliance rate of suction test than the thyroid iodine ~ 131 rate increased. However, the test takes a long time to take thyroid tablets as an inhibitor, the patient takes 1 to 2 weeks; triiodothyronine (tri-iodo-thyronine,