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小型凸面脑膜瘤颅骨受侵MRI特征探讨 被引量:5

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摘要 目的分析小型凸面脑膜瘤侵犯颅骨的MRI表现特征,为制定手术方案提供准确信息。方法收集20例小型凸面脑膜瘤单纯颅骨受侵患者术前MRI资料进行分析。结果本组20例脑膜瘤肿块。术后病理分型为纤维型8例,血管瘤型3例,砂粒体型2例,过度细胞型2例,上皮型3例,微囊型2例。MRI上位于大脑凸面18例,矢状窦旁者2例。20例均有颅骨受侵,无瘤周水肿。结论小型凸面脑膜瘤颅骨侵袭的MRI表现具有一定特征性,即单纯颅骨内板增厚,瘤体组织呈结节状、蘑菇状、匍匐状侵及内板、板障,且沿板障侵袭性生长,可使颅骨骨质完全破坏,向颅外累及头皮。
机构地区 解放军
出处 《西南国防医药》 CAS 2010年第10期1101-1103,共3页 Medical Journal of National Defending Forces in Southwest China
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参考文献6

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