低场MRI对脑静脉窦血栓形成的诊断价值(1)
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[摘 要] 目的 探讨低场MRI对脑静脉窦血栓形成的诊断价值。方法 回顾性分析5例脑静脉窦血栓形成患者的影像学资料。结果 受累的静脉窦有上矢状窦4例,横窦1例。常规MRI可见受累静脉窦血液流空信号消失, 静脉窦内信号高低不一,2例脑实质内出现静脉性脑梗死表现,其中1例合并出血。增强扫描 3例静脉窦内出现充盈缺损及静脉窦壁强化表现,1例脑实质内出现脑回样强化。结 论 低场MRI对诊断脑静脉窦血栓形成有意义。
[关键词] 脑静脉窦血栓形成;磁共振成像
中图分类号:R743 文献标识 码:A 文章编号:1009_816X(2007)03_0159_02
The Diagnostic Value of Low Field MR in Cerebral Venous Sinus Thrombo sis. FENG Yue, CHEN Fu-qin. Department of Radiology, Zhejiang Hospita l, Zhejiang 310013, China
[Abstract] Objective To evaluate the diagnostic value of low f ield MPI for intracerebral venous sinus thrombosis. Methods The imaging data were retrospectively analyzed in 5 cases of sinus thrombosis. Results The involved intracerebral venous included 4 superior sagitta l sinus and 1 transverse sinus. Conventional MRI showed the flow void signal of the venous sinus disappeared and abnormal signals were found ......
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