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肝细胞肝癌超声造影增强模式及诊断标准探讨 被引量:31

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摘要 目的分析超声造影(CEUS)对肝细胞性肝癌(HCC)各时相的时间定义及病灶增强模式,提出CEUS诊断肝癌的参考标准。方法分析206例253个明确诊断的HCC病灶超声造影表现,记录注射造影剂后肝动脉、门静脉及肝实质的开始增强时间、肝实质增强峰值时间、HCC病灶开始增强、开始减退时间及增强特征。结果设置以注射造影剂肝动脉开始显影(5.8-18.4秒)作为动脉相起始时间;以门静脉开始显影(8.7~23.8秒)作为门脉相起始时问;以肝实质增强达峰值(17.6-38.1秒)为实质相起始时间;以180~360秒作为延迟期时间。253个HCC中94.1%(238灶)在动脉期增强,5.9%(15灶)在门脉期增强;84.6%(214灶)在门脉期或实质期退出,11.1%(28灶)在延迟期退出;4.3%(11灶)最终未能退出。归纳HCC的造影表现显示为“快进快出”、“快进慢出”、“快进不出”、“慢进快出”、“慢进慢出或不出”五种模式。结论根据超声造影时相定义及HCC增强退出特征。总结HCC超声造影模式及诊断参考标准。
出处 《中国医刊》 CAS 2006年第4期32-34,共3页 Chinese Journal of Medicine
基金 北京市科委重大项目培育专项(编号:Z0005190040431)
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