椎管内硬膜内外淋巴瘤MR影像表现.pdfVIP

维普资讯 中国医学影像技术 2004年第 2O卷第 8期 ChinJMedImagingTechno1．2004．Vol20．No8 骨骼肌肉影像学黜 M R imagingofspinalintraduralandepidurallymphoma CHEN Yu．XUJJan—rain．SUNGuoping．XIAZhantong，LjYing， GONGJing—shan．ZHANGJing—zhong，RAOZi—bin (DepartmentofRadiology，ShenzhenPeoplesHospital，theSecondAffiliatedHospital ofJinanUniversity．Shenzhen518020，China) EAbstract] Objective TostudytheMRappearanceofspinalintraduralandepidurallymphoma．Methods Sevenpatients withspinal1ymphoma (3intradural，4epidura1)underwentMR examinationat1．0T．AUpatientswereprovedbyoperation crbiopsypathology．Results Epidurallymphomaoftenpresentedasfusiform ，isointenseon T1W Iandslighthyperintense cnT2wI．flatformwrapedspinalcordinaxialimage，slightormediumhomogenousenhancement．Involvementofadjacent 、ertebraeorhardmembraneandspinalcordwerefoundin3cases．Marrow tumoroftenshowedspinalcordswollen，inhom geneoushypointenseonT1W Iandmixediso-hyperintenseonT2W I，slightinhomogenousenhancementandaobviouslyen hancedmassinsideand withoutsyringomyelia．An intraduralmassshoweddiffuseddistributed lesion，homgeneousisoin tenseonT1W Iand slightbyperintenseon T2W I．intermediatehomogenousenhancement．Conclusion MR imaging isthe bestmethodindetectionofspinalintraduralandepidurallymphoma．Eitherspinalintraduralorepidurallymphomahascer— laincharacteristicsinMR imaging． [iKeywords] Spine；Intraduralandepidural；Lymphoma；Magneticresonanceimaging 椎管内硬膜 内、外淋巴瘤 MR影像表现 陈 宇，徐坚民，孙国平，夏 占统，李 莹，龚静山，张景忠，饶梓彬 (深圳市人民医院 暨南大学第二附属医院放射科，广东 深圳 518020) ：摘 要] 目的 探讨椎管内硬膜内外淋巴瘤 MRI表现。方法 7例经手术或病理证实的淋巴瘤患者行 MRI检查。结 果 硬膜外淋巴瘤多为梭形等T1，等或稍长 T2信号 ，轴位扁平状环绕脊髓生长 ，较均匀轻中度强化，可累及相邻脊椎或硬 膜、脊髓 。髓内淋巴瘤表现为病变脊髓肿胀，长T1等长混杂T2信号，增强后可见明显强化肿块。硬膜内