Conclusion: Color and power Doppler flow imaging is useful in the differential diagnosis of hepatic tumors.

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。

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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。

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