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甲状腺抗体


又名: 甲状腺自身抗体; 抗甲状腺抗体; 抗微粒体抗体; 甲状腺微粒体抗体; 甲状腺过氧化物酶抗体; TPOAb; 抗TPO抗体; TBII; 抗甲状腺球蛋白抗体; TgAb; TSH受体抗体; TRAb; 甲状腺刺激性免疫球蛋白; TSI
正式名称: 甲状腺过氧化物酶抗体(TPOAb); 甲状腺球蛋白抗体 (TgAb); 促甲状腺激素受体抗体(TRAb)
相关试验: T3; T4; TSH; 甲状腺球蛋白

快速浏览

为何检测?

辅助诊断和监测自身免疫性甲状腺疾病,区分自身免疫性与其他类型的甲状腺疾病,指导治疗方案的改进。

何时检测?

当患者出现甲状腺肿大,或其他甲状腺指标,例如T3,T4,TSH等显示存在甲状腺功能不全时;当医生用甲状腺球蛋白试验监测病情时,需要同时检测甲状腺抗体;当确诊患有自身免疫性甲状腺疾病时,医生会要求患者做定期检查。

何种样本?

手臂静脉血。

是否需要作试验前准备?

不需要。

检测样本

检测什么?

这些试验用于检测是否存在甲状腺自身抗体及其浓度。当人体的免疫系统将甲状腺误认为外来物质(非自身的),就会产生自身抗体,可以导致甲状腺慢性炎症(甲状腺炎)、组织损伤和甲状腺功能丧失。

甲状腺是一个较小的、呈蝴蝶状平铺在咽喉前气管上的腺体。它主要产生甲状腺素(T4)和三碘甲状腺原氨酸(T3),在新陈代谢和调节人体能量消耗过程中发挥重要的作用。人体有反馈系统,利用甲状腺刺激激素(TSH)开启或关闭甲状腺激素的产生,维持血流中甲状腺激素含量的稳定。当甲状腺抗体影响到这个过程时,就会导致甲状腺功能亢进或减退的慢性疾病或紊乱。甲状腺功能减退会导致体重增加、疲劳、皮肤干燥、脱发、畏寒和便秘等症状。甲状腺功能亢进会出现盗汗,心动过速,焦虑,激动,疲劳,失眠,体重突然减轻和双目怒张。

测试样本如何采集?

手臂静脉穿刺采血。

是否需要进行任何试验前准备以保证样本的质量?

不需要。

试验

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参考文献

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注意:本文是在此处引用的参考文献和医学检验项目在线介绍编辑审核委员会全体成员的经验和研究结果的基础上总结而成。本文由编辑委员会定期审核、更新。任何新引用的文献都会添加到列表中,并且会与原有的参考文献区分开。

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