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甲胎蛋白异质体AFP-L3鉴别良恶肝病及预警肝癌的研究

MEDICAL LABORATORY SCIENCE AND CLINICS(2011)

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Abstract
目的 研究微量离心柱法检测甲胎蛋白异质体(AFP-L3)用于鉴别良恶性肝病及对肝细胞癌的预警.方法 147例AFP升高(主要为低浓度阳性)的肝病患者血清,同时检测AFP-L3%含量,对AFP-L3%异常升高者、正常者进行临床病理核对,分析AFP-L3%升高作为鉴别良恶性肝病的新指标是否比单纯检测AFP更为准确有效;并对疑似HCC的19例肝病患者结合6个月后临床诊断结果,分析AFP-L3%>10%对肝癌的预警作用.结果 AFP升高的患者中AFP-L3%值与AFP值无相关性;AFP-L3%>10%对肝癌诊断敏感度为89.1%;诊断特异度为94.4%;总有效率为90.6%.AFP-L3>10%发生肝癌的危险性比AFP-L3%<10%增加了6.88倍.结论 以AFP-L3%>10%做为诊断标准对区分良恶肝病具有良好的临床意义;AFP-L3%>10%可以做为肝细胞癌的预警.
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