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脑实质内神经鞘瘤6例MRI表现及分析 被引量:3

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摘要 目的分析脑实质内神经鞘瘤的MRI表现,以提高对其认识和诊断。方法回顾性分析6例经手术病理证实的脑实质内神经鞘瘤的MRI表现,并结合文献进行讨论。结果 6例脑实质内神经鞘瘤中,4例位于左额叶皮髓交界区,2例位于左侧侧脑室旁。其MRI表现与桥小脑角区的神经鞘瘤相似,T1WI呈等或稍低信号,T2WI呈等或稍高信号,6例内均见囊变区。增强扫描实质部分呈明显强化,2例位于脑实质内的神经鞘瘤增强后邻近硬脑膜线形明显强化。6例肿瘤周边出现轻重不等的水肿,且均见占位效应。结论脑实质内神经鞘瘤多位于脑实质皮髓交界区或脑室旁,MRI具有一定的特征性表现。仔细分析其MRI特征有助于术前正确诊断。
出处 《现代实用医学》 2014年第12期1479-1481,共3页 Modern Practical Medicine
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参考文献7

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二级参考文献16

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