结论：彩色和能量多普勒血流显像对肝脏肿瘤良恶性的鉴别有重要价值。
Conclusion: Color and power Doppler flow imaging is useful in the differential diagnosis of hepatic tumors.
目的评价谐波能量显像（HPI）在正常肝脏声学造影中的造影增强效果，并与彩色多普勒血流显像（CDFI）进行对比。
Objective To assess normal liver contrast color enhancement using harmonic power imaging (HPI), comparative studies between HPI and color Doppler flow imaging (CDFI) were performed.
目的为对比研究彩色多普勒能量图与彩色多普勒血流显像在诊断肝脏小血管瘤中的作用。
Objective To comparative study of color doppler energy (CDE) with color doppler flow imaging (CDFI) in diagnosis of small hepatic hemangioma.
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