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磁共振弥散成像在早期脑梗死诊断中的价值

Jilin Medical Journal(2011)

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Abstract
目的:探讨磁共振弥散成像(DWI)诊断早期脑梗死的价值。方法:回顾分析122例早期脑梗死患者的弥散成像(DWI)和常规MRI(包括T1WI、T2WI及FLAIR)图像特点。结果:48例超急性期脑梗死患者DWI全部显示为高信号,27例在T1WI、T2WI及FLAIR均为正常;21例T1WI未见异常,T2WI及FLAIR呈稍高信号影。74例急性期脑梗死病例,DWI、T2WI及FLAIR序列显示为高信号、略高信号,T1WI序列显示为低信号、略低信号。结论:DWI在早期脑梗死诊断中具有重要价值,结合常规磁共振可以准确判断超急性及急性期脑梗死。
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