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MR imaging features of spinal cord ependymoma
Author(s): 
Pages: 124-126,130
Year: Issue:  3
Journal: Acta Academiae Medicinae Shandong

Keyword:  Spine cordEpendymomaMagnetic resonance imaging;
Abstract: 目的分析脊髓内室管膜瘤的MRI表现,提高其诊断准确率。方法回顾性分析经手术病理证实的27例脊髓内室管膜瘤,所有病例均行MRI平扫及增强检查。分析肿瘤的发病部位、范围、生长方式、信号特点、瘤内及瘤周囊变、含铁血黄素沉积及强化方式。结果所有肿瘤均呈中心性膨胀性生长,平均累及3.6个椎体水平,T1WI上以等或低信号为主,T2WI上以不均匀高信号为主,60%以上病例可见瘤内及瘤周囊变,约26%病例可见"帽征",约90%病例可见明显均一或不均一强化。结论脊髓内室管膜瘤MRI表现具有一定特征,掌握这些特征有助于术前诊断。
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