肿瘤标志物CA211的正常值是多少？检查-名医在线

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名医在线

病情分析：肿瘤标志物是指伴随肿瘤出现,在量上通常是增加的抗原,酶,受体,激素或代谢产物形式的蛋白质,癌基因和抑癌基因及其相关产物等成分,是由肿瘤细胞产生和分泌.Cyfra21-1（CA211）( 阳性标准≥3.3ngml ) 是一种酸性多肽,水溶性细胞角蛋白,主要分布在肺泡上皮.当这些细胞发生癌变时,可释放Cyfra21－1进入血液循环,导致Cyfra21－1的血清水平升高.肺癌中晚期患者血清中Cyfra21－1含量明显升高.Cyfra21－1是鳞状上皮细胞癌目前首选的肿瘤标志物,灵敏度可达60％,特异性可达95

张超

副主任医师

提示：本内容仅作参考，不能代替面诊，如有不适请尽快线下就医

问题描述：肿瘤标志物CA211的正常值是多少？检查后据:CA211:5.18NGML NSE:18.9NGML。