Objective: To explore the clinical value of Lens culinaris agglutinin-reactive alpha-fetoprotein in the differentiation diagnosis between benign and malignant liver diseases, as well as the early warning of hepatocellular carcinoma.
Methods: Alpha-fetoprotein variants from 300 patients with liver diseases were isolated with micro-spin column equipped lens culinaris agglutinin (LCA). The AFP and AFP-L3 were detected by the electrochemical luminescence (ECL) method, and the proportions of AFP-L3 were calculated.
Results: The positive rates of AFP-L3 of HCC patients and chronic liver disease patients were 95% and 64% respectively, there were significant difference in two groups (chi2 = 134.72, P < 0.01), the HCC incidence rates of AFP-L3 positive and negative chronic liver disease patients showed significant difference (chi2 = 80.158, P < 0.01). there were no correlations between the proportion of AFP-L3 and AFP consistency(r = 0.046, P > 0.05).
Conclusions: The detection of AFP-L3 by micro-spin column assay show great clinical value in the differentiation diagnosis of benign and malignant liver diseases, as well as the early warning of hepatocellular carcinoma.
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