MRI在出血性脑梗塞诊断中的价值
QINGHAI MEDICAL JOURNAL（2005）
Abstract
目的:探讨出血性脑梗塞的MRI表现特点.方法:本组26例,男18例,女8例,年龄42岁～81岁,平均61.5岁.常规扫描包括矢状位T1WI,横切位T1及T2WI,7例同时做MRI增强扫描.结果:梗塞区具有长T1长T2信号特点,出血以T1WI观察最佳.16例出血仅累及皮层者,于脑梗塞边缘在T1WI呈线状、脑回状或波浪状高信号强度.7例累及皮层下,3例累及皮层和白质.梗塞区域呈三角形、扇形或片状,T1WI呈较低信号,T2WI呈高信号强度,7例增强MRI见6例强化,其中4例脑回样强化,2例不规则斑片状强化.结论:MRI是出血性脑梗塞最佳的检查方法之一,及早地检查有利于患者的进一步治疗.
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