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应用甲状腺吸 I~(131)率试验测定甲状腺机能状态,现已被公认是一种较灵敏的方法。此法在测定前二周必须避免含碘食物、抗甲状腺药等影响因素,因而使患者不能及早诊治,也限制了其在甲状腺机能亢进患者治疗中观察疗效之应用。吸I~(131)率试验亦有一定的误诊率,并在轻度或不典型病例与正常人之间有交迭的现象。Clark及Collica等曾报道用PBI~(131)转化率(Conversion Ratio)进行甲状腺机能亢进
The application of thyroid suction I ~ (131) rate test of thyroid function status, has now been recognized as a more sensitive method. This method must be avoided in the first two weeks of determination of iodine-containing foods, anti-thyroid drugs and other influencing factors, so that patients can not early diagnosis and treatment, but also limits its efficacy in the treatment of hyperthyroidism in the observation of the application. Suction I ~ (131) rate test also has a certain misdiagnosis rate, and in mild or atypical cases and normal overlap between the phenomenon. Clark and Collica et al. Reported on the use of PBI ~ (131) Conversion Ratio (Conversion Ratio) for hyperthyroidism