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颅内畸胎瘤的MRI诊断(附5例报告) 被引量:2

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摘要 目的分析颅内畸胎瘤MRI表现,提高对其MRI诊断的认识。方法回顾性分析经病理证实5例畸胎瘤MRI资料。5例均做MR平扫,其中4例加做增强扫描,3例加做CT平扫和增强扫描。结果5例畸胎瘤分布在侧脑室、松果体区、鞍旁及小脑中线各1例,其中1例为发生在中颅窝成熟畸胎瘤术后复发。2例典型者MRI表现为混杂信号,在T1WI及T2WI上其内均可见高信号脂肪,钙化、骨骼均为低信号,有完整的包膜。不典型者鉴别诊断有困难。结论MRI对颅内畸胎瘤的诊断有重要价值,部分典型者可明确诊断。
出处 《影像诊断与介入放射学》 2002年第4期221-223,共3页 Diagnostic Imaging & Interventional Radiology
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