摘要:目的:总结MRI及磁共振静脉成像(MRV)在脑静脉窦血栓(CVST)形成诊断中的应用价值和意义。方法:对18例经临床证实的CVST患者的临床和影像学资料进行回顾分析,全部病例均行颅脑常规MRI平扫检查,15例行MRV(3D-PC-MRV)检查。结果:本组病例在MRI平扫中16例可见静脉窦正常流空信号消失,15例MRV均可见静脉窦充盈缺损、闭塞或中断征象,7例伴有脑梗死,2例伴有出血,3例MRI增强扫描显示静脉窦内血栓无强化呈低信号。结论:MRI结合MRV可快速、无创、无辐射的对CVST做出诊断,是临床首选的最佳影像学检查方法。
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