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MR对烟雾病的诊断价值 被引量:4

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摘要 目的探讨磁共振血管造影(MRA)及磁共振成像(MRI)对烟雾病的诊断价值。方法对28例烟雾病患者行MRI和MRA检查,MRI包括横轴位T1WI、T2WI、FLAIR及矢状位T2WI;MRA常规采用3D-TOF法,3例加做对比增强磁共振血管造影(CE-MRA),2例加做增强后3D-TOFMRA。结果MRI表现为:脑出血12例,单纯蛛网膜下腔出血3例,脑梗死14例,脑出血合并梗死5例,仅轻度脑萎缩2例,无明显脑实质改变2例,21例脑内见Moyamoya血管。MRA均见颈内动脉狭窄或闭塞,其中双侧18例,单侧10例,大脑中动脉狭窄42支,大脑前动脉狭窄36支,大脑后动脉狭窄13支;27例显示异常血管网,8例见颈外动脉分支侧支循环,16例见大脑后动脉代偿性侧支循环。结论MRI可良好显示脑内病变,MRA能较完整显示异常血管,MRA结合MRI可作为烟雾病的首选检查方法,脑出血高信号影响3D-TOFMRA显像时,CE-MRA可更准确诊断烟雾病。
出处 《江西医药》 CAS 2008年第4期348-350,共3页 Jiangxi Medical Journal
关键词 烟雾病 MRI MRA CE-MRA
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参考文献6

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共引文献17

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