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绒毛膜促性腺激素测定在临床应用中的新问题
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY
- Issue:
- 1
- DOI:
- 10.3760/j.issn:0529-567X.2003.01.023
- Key Word:
- No keyword available
Abstract： @@ 人绒毛膜促性腺激素(hCG)是滋养细胞分泌的一种糖蛋白激素,一旦妊娠产生绒毛即可由血循环中测出,在正常与异常妊娠中有一定的分布规律,当胎盘排除后,血中hCG即迅速消失.hCG的分泌与滋养细胞的数量密切相关,因此血清hCG测定能在临床上诊断早孕、异位妊娠、先兆流产、葡萄胎及滋养细胞肿瘤,而且在治疗后的随访及预后中成为重要指标.对其他疾病如卵巢生殖细胞肿瘤、男性睾丸肿瘤、非滋养细胞疾病、非生殖细胞肿瘤亦有辅助诊断意义.随着hCG测定方法的不断改进,其灵敏度和特异性不断提高,尽管如此,仍有假阴性或假阳性的可能[1,2].近年来,在hCG测定的临床应用上出现hCG持续低水平升高与临床不符合的现象,下面就这一问题的有关文献综述如下.
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