超声造影对小肝癌合并肝炎后肝硬化的诊断价值

目的 探讨超声造影对小肝癌合并肝炎后肝硬化的诊断价值。方法 2004年3月至2005年10月，使用造影剂Sonovue对小肝癌结节行超声造影检查，评价肝癌瘤体内的增强变化，并与动态增强CT和（或）动态增强MRI对比。结果 小肝癌超声造影的表现以动脉期呈高增强，门静脉期呈等或低增强，延迟期呈低增强为标准，正确诊断率为88．2％（60／68），而结合延迟期肝癌呈低增强的标准，正确诊断率为97．1％（66／68），假阳性率2．9％（2／68）。结论 超声造影能提高肝硬化背景下小肝癌的诊断率。

Diagnosis of small hepatocellular carcinoma in patients with post-hepatitic cirrhosis with contrast- enhanced ultrasound

Objective To evaluate the clinical merit of contrast-enhancedultrasound (CEUS) in the diagnosis of Small hepatocellular carcinoma (HCC) in patients with posthepatitic cirrhosis.Methods Small hepatocellular carcinoma were examined and observed by CEUS between March 2004 and October 2005,using ultrasound contrast agent-Sonovue.Contrast enhanced CT and or MRI were performed in all cases.Results The accuracy of diagnosing Small HCC by CEUS were 88.2% (60/68),according to the hypo-enhancement in arterial phase,iso-enhancement or hyo-enhancement in portal phase,hypo-enhancement in delayed phase.The accuracy and false positive rate of diagnosing Small HCC by CEUS were 97.1% (66/68) and 2.9%(2/68) according to the hypo-enhancement in delayed phase.Conclusion CEUS might increase the diagnosis of small HCC.