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- W3029454674 abstract "目的 探讨磁敏感加权成像(SWI)技术对脑血管畸形的诊断价值.方法 对21例脑血管畸形行3.0T常规MRI和SWI检查,其中5例同时行时间飞跃法(TOF)磁共振血管成像(MRA)检查,1例CE-MRA检查,7例行静脉注射钆喷酸葡胺注射液(Gd-DTPA)常规增强扫描.SWI采用新的3D静态梯度回调采集(GRASS)序列覆盖全脑扫描,图像后处理采用美国通用电气公司4.2工作站及最小强度投影技术获得完整的静脉血管形态.结果 在21例脑血管畸形中,包括动静脉畸形(AVM)4例,静脉畸形8例、海绵状血管瘤9例均在SWI清楚显示,其中4例AVM常规MRI和MRA与SWI情况基本一致;8例静脉畸形在常规MRJ和MRA检查均未见显示,但5例增强扫描的图像有3例显示异常静脉畸形血管,与SWI所见一致;9例海绵状血管瘤常规MRI显示7例,且SWI所显示的瘤体轮廓比常规图像更加清楚.结论 SWI在脑血管畸形的诊断中扮演重要的作用,特别是对小AVM、静脉畸形和海绵状血管瘤的早期检出和由此引起的出血或微出血评价有重要的价值。" @default.
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- W3029454674 date "2007-10-15" @default.
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- W3029454674 title "Evaluation of 3.0T susceptibility-weighted magnetic resonance imaging in diagnosing cerebrovascular malformations" @default.
- W3029454674 doi "https://doi.org/10.3760/cma.j.issn.1671-8925.2007.10.019" @default.
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