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脑发育性静脉畸形的MRI诊断 被引量:1

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摘要 目的探讨MRI对脑发育性静脉畸形的诊断价值。方法对8例脑发育性静脉畸形患者MRI资料进行回顾性分析,均行MRI常规平扫、磁敏感加权成像(SWI)及增强扫描。结果额叶4例,颞叶1例,小脑3例,引流静脉显示长T1短T2低信号流空影,显示的部分髓静脉呈稍长T1长T2信号。增强扫描及SWI显示全部的引流静脉及髓静脉,呈典型"海蛇头"样表现。结论 MRI能明确诊断DVA,增强扫描及SWI序列较敏感,其中SWI无需注射对比剂,能清晰显示DVA及伴发的隐匿性血管畸形,可作为DVA诊断的常规序列。
出处 《中国实用神经疾病杂志》 2015年第9期59-60,共2页 Chinese Journal of Practical Nervous Diseases
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