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胸部原始神经外胚层肿瘤的影像学诊断 被引量:3

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摘要 目的探讨胸部原始神经外胚层肿瘤(PNET)的影像学特点,以提高对PNET的诊断水平。方法对经手术病理证实的5例胸部PNET的影像资料进行回顾性分析,5例均行CT平扫,其中4例行CT增强扫描,2例行MR平扫及增强扫描。结果左、右外侧胸壁各1例,左、右后纵隔各1例,右侧叶间胸膜1例。肿块均较大,大小范围约6~18cm。CT平扫2例密度均匀,2例呈囊实性混杂密度,1例见大量高密度骨化影;MR平扫1例T1WI呈均匀稍低信号,T2WI呈均匀稍高信号,1例T1WI呈混杂低信号,T2WI呈混杂高信号;CT和MR增强扫描肿块呈均匀或不均匀轻中度强化。结论PNET的临床和影像学表现有一定的特点,结合临床和影像学特点有助于病变的术前诊断。
出处 《江西医药》 CAS 2010年第4期350-352,共3页 Jiangxi Medical Journal
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