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肝局灶性结节性增生MR及CT表现 被引量:1

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摘要 目的:通过CT及MR成像方法,系统性分析肝脏局灶性结节增生(FNH)影像学表现特点及相关鉴别诊断,为临床诊治提供重要的依据。方法:对13例经手术病理证实的FNH影像学表现进行回顾分析。结果:13例CT平扫病灶呈等密度或低密度。增强扫描动脉期除中心瘢痕外,所有病灶均有明显均匀强化,其中2例还可见到病灶中心及周边增粗、扭曲的动脉。门脉期和延迟期扫描7例呈略高密度、2例病灶呈等密度或略低密度,2例伴有中心瘢痕者有延迟强化。MRI病例9例,病灶均呈不均匀略长或等T1及Tz信号,增强动脉呈明显强化,门脉期及延迟期呈等或略高强化。结论:平扫和动态增强320排东芝动态容积CT(Aquilionone)、飞利浦3.0TMRI(Achleva3.0T)较全面显示FNH的病理改变和相应血供特点,明显提高与其它富血管恶性肿瘤的鉴别诊断及对比。
作者 贾政 杨海山
出处 《按摩与康复医学》 2012年第35期16-17,共2页 Chinese Manipulation and Rehabilitation Medicine
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