摘要
目的探讨异常凝血酶原(PIVKA-Ⅱ)和甲胎蛋白(AFP)在原发性肝癌(PHC)中的诊断价值。方法回顾性分析108例PHC、100例肝硬化、89例慢性肝炎、76例继发性肝癌及84例健康体检者的临床资料,所有研究对象均检测血清PIVKA-Ⅱ与AFP水平。比较各组研究对象血清PIVKA-Ⅱ与AFP水平,并采用受试者工作特征(ROC)曲线评价PIVKA-Ⅱ及AFP对PHC的诊断效能。结果 PHC患者PIVKA-Ⅱ与AFP水平均高于非PHC肝病患者及健康体检者(均P <0. 05),且中晚期PHC患者PIVKA-Ⅱ与AFP水平均高于早期PHC患者(均P <0. 05)。不同病因PHC患者AFP水平差异无统计学意义(P> 0. 05),但肝炎合并酒精性PHC患者PIVKA-Ⅱ水平均低于病毒性肝炎性PHC与酒精性PHC患者(均P <0. 05),病毒性肝炎性PHC与酒精性PHC患者PIVKA-Ⅱ水平差异无统计学意义(P> 0. 05)。PIVKA-Ⅱ、AFP、PIVKA-Ⅱ联合AFP诊断PHC的ROC曲线下面积分别为0. 928、0. 871、0. 963,PIVKA-Ⅱ联合AFP诊断PHC的曲线下面积大于PIVKA-Ⅱ及AFP(P <0. 05)。结论 PIVKA-Ⅱ联合AFP检测在PHC中具有较高的诊断价值。
Objective To investigate the diagnostic value of abnormal prothrombin[protein induced by vitamin K absence or antagonist Ⅱ( PIVKA-Ⅱ) ] and alpha-fetoprotein( AFP) in primary hepatic carcinoma( PHC). Methods The clinical data of 108 patients with PHC,100 patients with cirrhosis,89 patients with chronic hepatitis,76 patients with secondary hepatocellular carcinoma and84 healthy persons undergoing a check-up were analyzed retrospectively. The serum levels of PIVKA-Ⅱ and AFP of the subjects were compared among all groups. The diagnostic efficiency of PIVKA-Ⅱ and AFP for PHC was evaluated by the receiver operating characteristic( ROC) curve as well. Results The levels of PIVKA-Ⅱ and AFP in the patients with PHC were higher than those in the patients with liver disease but without PHC or in the healthy subjects( all P < 0. 05),and the levels of PIVKA-Ⅱ and AFP in the patients with advanced PHC were higher than those in the patients with early PHC( all P < 0. 05). There was no statistically significant difference in the AFP level among the PHC patients with different etiologies( P > 0. 05),but the PIVKA-Ⅱ level in the hepatitis patients complicated with alcoholic PHC was lower than that in the patients with viral hepatitis PHC or alcoholic PHC( all P < 0. 05),there was no statistically significant difference in the PIVKA-Ⅱlevel between the patients with viral hepatitis PHC and the patients with alcoholic PHC( P > 0. 05). The areas of ROC curve of PIVKA-Ⅱ,AFP and their combination for diagnosing PHC were 0. 928,0. 871 and 0. 963 respectively,and the area of PIVKA-Ⅱcombined with AFP for diagnosing PHC was greater than that of PIVKA-Ⅱ or AFP( P < 0. 05). Conclusion The combined detection of PIVKA-Ⅱ and AFP has a higher diagnostic value for PHC.
引文
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