• 1. Department of Nuclear Medicine Laboratory, The People’s Hospital of Tangshan, Hebei Union University, Tangshan, Hebei 063000, P. R. China; 2. Department of Clinical Laboratory, The Leting County Hospital, Tangshan, Hebei 063000, P. R. China;
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目的  通過檢測肝病患者血清甲胎蛋白異質體(AFP-L3)濃度和AFP-L3/血清甲胎蛋白(AFP)比值,分析探討并聯運用兩指標在肝細胞癌(HCC)診斷中的價值。 方法  選取2011年3月-11月137例的住院患者血清標本,AFP檢測均為陽性。依據病理學診斷,將137例患者分為兩組,HCC組92例,良性肝病組45例,后者包括肝硬化結節37例、慢性活動性肝炎8例。采用酶聯免疫吸附試驗(ELISA)檢測所有患者血清AFP-L3濃度;同時運用微量吸附柱法分離血清中的AFP-L3,采用電化學發光法檢測分離后的AFP-L3和血清中總AFP濃度,計算AFP-L3/AFP比值。計算采用AFP-L3濃度與AFP-L3/AFP比值以及AFP-L3濃度與AFP-L3/AFP比值兩指標并聯診斷HCC的靈敏度、特異度、Youden指數等統計學指標,探討其在原發性肝癌診斷中的價值。 結果  ① HCC組 AFP-L3濃度(109.04 ± 62.51)ng/mL,明顯高于良性肝病組(25.96 ± 49.43)ng/mL,差異有統計學意義(t=8.28,P<0.001)。HCC組血清AFP-L3/AFP比值(17.35 ± 14.48%)高于良性肝病組(5.617 ± 6.38%), 差異有統計學意義(t=6.545,P<0.0001)。② 以血清AFP-L3濃度>38.0 ng/mL作為臨界值診斷原發性肝癌的靈敏度為83.69%,特異度為88.88%,以AFP-L3/AFP比值>10%作為臨界值診斷原發性肝癌的靈敏度為83.69%,特異度為95.55%。③ 并聯應用血清AFP-L3濃度>38.0 ng/mL、AFP-L3/AFP>比值7.5%診斷HCC的靈敏度為97.83%,特異度為84.44%。 結論  并聯應運AFP-L3濃度與AFP-L3/AFP比值診斷HCC較應用單一指標診斷特異度稍有下降,但明顯提高了診斷的靈敏度,更有利于HCC的早期診斷。

Citation: HUANG Caiyun,HAN Sugui,JIA Honglian.. The Value of Combined Serum Alpha-fetoprotein Heteroplasmon-L3 Concentration and AFP-L3/Alpha-fetoprotein Ratio Detection in the Early Diagnosis of Primary Liver Cancer. West China Medical Journal, 2013, 28(5): 724-727. doi: 10.7507/1002-0179.20130225 Copy

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