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脑发育性静脉异常的磁共振成像表现 被引量:1

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摘要 目的探讨脑发育性静脉异常的各种磁共振成像表现及磁共振对该病的诊断价值。方法9例脑发育性静脉异常患者均行常规MR平扫,8例行增强扫描及增强前后MRA,MRV。结果异常血管位于小脑半球5例,额叶2例,颞叶1例,多发(双顶叶、双枕叶及右颞叶)1例。9例均表现为多条髓静脉汇入1条引流静脉,1例多发者尚可见髓静脉直接汇入室管膜下静脉。T1WI均呈低信号。在T2WI及FLAIR,引流静脉7例呈高信号,2例呈轨道样稍高信号夹低信号,髓静脉均呈高信号。增强扫描均明显强化。增强前后动、静脉血管成像更清楚显示异常血管的全貌及引流部位。结论各种磁共振成像方法相结合能满意显示脑发育性静脉异常的典型征象,在诊断本病方面可取代脑血管造影。
出处 《广东医学》 CAS CSCD 北大核心 2007年第4期630-631,共2页 Guangdong Medical Journal
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参考文献8

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共引文献23

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