【摘要】目的：分析大脑表浅肿瘤的CT MRI表现并探讨其影像诊断特征。材料和方法：收集复旦大学附属华山医院经病理证实的大脑表浅肿瘤80例，行CT、MRI检查。结果：少枝胶质瘤47例，间变性少枝胶质瘤10例，节细胞胶质瘤15例，胚胎发育不良性神经上皮瘤5例，多形黄色细胞瘤3例。结论：脑浅表肿瘤存在影像特征，CT及MRI对其诊断有一定的价值。

    【关键词】少枝胶质细胞瘤；节细胞肿瘤；胚胎发育不良性神经上皮瘤；多形性黄色星形细胞瘤；CT；MRI

    【中图分类号】R739.41【文献标识码】A【文章编号】1007-8517(2009)10-0025-03

    Superficial brain CT and MRI tumor diagnosis and differential diagnosis

    XU Yuqiu YAO Zhenwei FENG Xiaoyuan

    (XIAN Zhong hospital,IJIANG Xi,WAN Nian,335500)

    【Abstract】 Purpose: Analysing images on CT and MRI of cerebra peripheral tumor. Materials and Methods: Collecting 80 cases of cerebra peripheral tumor confirmed by pathology from Huashan hospital ,Hudan university ,examining by CT and MRI. Results: The findings on CT and MRI were as follows: 57 cases of Oligodendroglioma, 15 cases of Ganglioglioma , 5 cases of Dysembryoplastic neuroepithelial tumor , 3 cases of Pleomorphic xanthoastrocytoma .Conclusion:The images on CT and MRI of cerebra peripheral tumor occur some characters , so CT and MRI were certain worth on the diagnose and differentiate diagnose of cerebra peripheral tumor. ......