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脑发育性静脉异常磁共振成像特征分析

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摘要 目的:评估脑发育性静脉异常(DVAs)的磁共振成像(MRI)形态特征,分析可能影响DVAs在MRI上显示的因素。方法:回顾分析53例DVAs患者的MRI图像。评估DVAs位置、数量、引流静脉直径以及伴随的脑实质异常信号或病变,并评估MRI各序列上DVAs的显示效果。结果:本组DVAs发病率为2.5%。共观察到58个DVAs。48例为单发DVAs,5例多发(均为2个)。45例位于幕上,13例位于幕下。结论:DVAs多为单发,好发于幕上,最常见于额叶。引流静脉直径越大越容易在平扫MRI序列上显示,而细小的DVAs即使在增强MRI上,若不仔细研判亦容易被遗漏。
出处 《深圳中西医结合杂志》 2016年第16期65-66,共2页 Shenzhen Journal of Integrated Traditional Chinese and Western Medicine
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