微囊型脑膜瘤与脑膜尤文肉瘤/外周原始神经外胚层肿瘤的MRI鉴别诊断  

Differentiating between microcystic meningioma and meningeal Ewing sarcoma/peripheral primitive neuroectodermal tumor using magnetic resonance imaging

作　　者：张婧 赵志勇[2,3,4] 张国晋 曹云太[2,3,4] 周俊林 ZHANG Jing;ZHAO Zhiyong;ZHANG Guojin;CAO Yuntai;ZHOU Junlin(the Fifth Affiliated Hospital of Zunyi Medical University,Zhuhai 519100,China;Department of Radiology,Lanzhou University Second Hospital,Lanzhou 730030,China;the Second Clinical Medical School,Lanzhou University,Lanzhou 730030,China;Key Laboratory of Medical Imaging of Gansu Province,Lanzhou 730030,China)

机构地区：[1]遵义医科大学第五附属(珠海)医院,广东珠海519100 [2]兰州大学第二医院放射科,甘肃兰州730030 [3]兰州大学第二临床医学院,甘肃兰州730030 [4]甘肃省医学影像重点实验室,甘肃兰州730030

出　　处：《中国医学物理学杂志》2021年第5期561-565,共5页Chinese Journal of Medical Physics

基　　金：国家自然科学基金(81772006);兰州大学第二医院“萃英科技创新计划”应用基础研究项目(CY2017-MS03);兰州大学第二医院博士研究生培养专项基金项目(YJS-BD-33);甘肃省医学影像重点实验室开放基金项目(GSYX202005)。

摘　　要：目的:探讨微囊型脑膜瘤与脑膜尤文肉瘤/外周原始神经外胚层肿瘤(pPNET)的MRI征象。方法:回顾性分析经病理证实的14例微囊型脑膜瘤和10例脑膜尤文肉瘤/pPNET患者的临床、影像学及病理资料,结合相关文献分析其MRI差异。结果:微囊型脑膜和脑膜尤文肉瘤/pPNET患者MRI特征在肿瘤形态、T2信号、强化特征、骨侵犯及远处转移方面有统计学意义(P<0.05);而在T1信号、硬膜尾征和瘤周水肿无统计学意义(P>0.05)。结论:微囊型脑膜瘤和脑膜尤文肉瘤/pPNET影像表现有差异,术前精准鉴别诊断有助于改善临床决策和预测预后。Objective To explore the magnetic resonance imaging(MRI)features of microcystic meningioma and meningeal Ewing sarcoma/peripheral primitive neuroectodermal tumor(pPNET).Methods The clinical,imaging and pathological data of 14 cases of pathologically confirmed microcystic meningioma and 10 cases of pathologically confirmed meningeal Ewing sarcoma/pPNET were retrospectively analyzed,and the differences in MRI features were analyzed,referring to relevant literatures.Results The MRI features such as tumor morphology,T2 signal,enhanced features,bone invasion and distant metastasis of microcystic meningiomas were different from those of meningeal Ewing sarcoma/pPNET,with statistical significances(P<0.05),while no statistical difference was found in T1 signal,dural tail sign and peritumoral edema(P>0.05).Conclusion There are differences in the imaging features of microcystic meningioma and meningeal Ewing sarcoma/pPNET.Preoperative accurate differential diagnosis contributes to improving clinical decision-making and prognosis prediction.

关 键 词：尤文肉瘤 磁共振成像 微囊型脑膜瘤 外周原始神经外胚层肿瘤 

分 类 号：R816.1[医药卫生—放射医学]