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绒毛膜癌合并甲亢患者人绒毛膜促性腺激素检测“钩状效应”一例报道 被引量:1

The "hook effect" on serum human chorionic gonadotropin estimation in a patient with hyperthyroidism due to choriocarcinoma: one case report
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摘要 绒毛膜癌是妊娠滋养细胞肿瘤的一种主要类型.妊娠滋养细胞肿瘤60%继发于葡萄胎,30%继发于流产.10%继发于足月妊娠或者异位妊娠。妊娠滋养细胞肿瘤分泌大量人绒毛膜促性腺激素(humanchorionicgonadotropin,hCG),hCGct亚基与TSHa亚基结构相同,能促进甲状腺分泌甲状腺素。检测hCG可作为早孕、病理妊娠及妊娠滋养细胞肿瘤诊断和治疗监测的可靠指标。hCG检测中经常出现高剂量“钩状效应”(hook效应)导致结果不准确。该效应是指被测抗原浓度过高超过抗原抗体反应的线性范围,反应曲线不呈平台状无限延伸,出现向下弯落型似钩状的现象。我们发现1例hook效应导致hCG假性低值的病例,报告如下。
出处 《中华内分泌代谢杂志》 CAS CSCD 北大核心 2015年第10期915-916,共2页 Chinese Journal of Endocrinology and Metabolism
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