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超声检查对肝脏硬化程度的诊断价值 被引量:6

Diagnosis of liver cirrhosis by ultrasound dimentional image(U.D.I) changes
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摘要 目的探讨超声检查对肝硬化的诊断价值。方法对42例慢性肝炎、24例肝硬化患者在肝脏病理活检前或后2 d内行超声检查,依超声对肝脏表面、边缘、实质和肝内静脉四方面检查的综合积分评价肝脏硬化程度,并与病理分期作对比。结果不同病理分期超声检查肝脏硬化综合积分值显著不同(F=130.25,P<0.01),病理分期越高,积分值也越大;肝脏硬化的超声检查综合积分值与病理分期呈显著正相关(r=0.989,P<0.01),根据经验公式Y=X/2-2,由已知的肝硬化综合积分值(X)便可得出病理分期(Y)的程度;曲线分析方法显示肝硬化综合积分值等于10为诊断肝硬化(早期肝硬化)的最佳临界值,其诊断的敏感性为87.5%,特异性为97.5%。结论超声检查可较好地评价肝硬化的纤维化程度,为肝硬化的诊断提供了可靠的半定量指标。 Objective To evaluate the value of uhrasound for diagnosing liver cirrhosis. Methods Fortytwo cases of chronic hepatitis and 24 cases of cirrhosis in various histological liver fibrotic stages ( 2 cases of SO ,20 cases of S1,17 cases of S2,13 cases of $3 and 14 cases of S4) were included in this study. All patients were examined by ultrasound in fasting state with Toshiba SSA-270, DU-6 equipment. A fibrotic scoring system, consisting of four items ( liver surface, margin, parenchyma and intrahepatic vessels) , was used to evaluate the ultrasound findings and in contrast with fibrotic stages in each patients. Results The results revealed that patients of various histological fibrotic stage had significantly different total U. D. I scores (F = 130.25 ,P 〈0.001 ) ,the higher fibrotic histological stage,the more the dimentional fibrotic score ; the total liver fibrosis U. D. I scores had a significantly positive correlation with the histological liver fibrotic stage (rs'=0.989,P 〈0.001 ) ; the stage of hisiological liver fibrosis (Y) can be calculated by the total fibrotic U. D. I scores (X) according to the experiential formula: Y = X/2-2; receiver operating curves (ROC) showed that the best cut-off values for differentiating cirrhosis from chronic hepatitis with the sensitivity of 87.5% and specificity of 97.5 %. Conclusion These findings suggested that the combined fibrotic scores of uhrasound can provide a semiquantitative marker to evaluate liver fibrosis and differentiate cirrhosis from chronic hepatitis.
作者 周涛 苗兴和
出处 《中国临床保健杂志》 CAS 2007年第3期256-258,共3页 Chinese Journal of Clinical Healthcare
关键词 肝硬化 肝炎 慢性 超声检查 多普勒 彩色 Liver cirrhosis Hepatitis, chronic Uhrasonography, doppler, color
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