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1、原发性脑内淋巴瘤的MRI表现及相关病理特征分析论文【摘要】目的探讨原发性脑内淋巴瘤的MRI表现及其相关的病理特征,旨在提高对该病的认识。方法回顾性分析15例经病理证实的脑内淋巴瘤的MRI表现,结合病理特征进行评价。结果15例患者都为单发实质性病灶,病理类型均为B细胞型非霍奇金淋巴瘤,MRI表现为等或长T1等T2信号,FLAIR像呈等信号,增强扫描病灶呈均匀团块样或握拳样强化,存在的水肿与病变大小不成比例。结论颅内原发淋巴瘤的MR信号强度、增强方式以及占位程度对诊断和鉴别诊断具有重要价值。【关键词】淋巴
2、瘤原发性脑内磁共振成像病理学AbstractObjectiveToestimateMRIfeaturesandtheirpathologycharactersofprimaryintracraniallymphoma,andtoimprovethecognitionofthedisease.MethodsMRIfindingsin15casesaryintracraniallymphomaphomaofBcelltype.MRimagingrevealedintermediate-tolooronT1
3、-agesandeitherisointenseorhypointensesignalrelativetothegraymatteronT2-agesandFLAIRimages.Classicfindingsofaspace-occupyinglesion,includingmasseffectandsurroundingvasogenicedema.Aftertheinfusionofparamagiccontrastmaterial,intensehomogeneousenhancementof
4、asolitarymass,like"closedfist"or"clump",arkofprimaryintracraniallymphoma.ConclusionItissignificantvalueofMRsignalintensityandenhancementstyleandmasseffectofprimaryintracraniallymphomafordiagnosisanddifferentiatediagnosis.Keyphoma;primary;intracranial;ma
5、gicresonanceimaging;pathology原发性脑内淋巴瘤(primaryintracraniallymphoma,PCL)是相对少见的颅内肿瘤.freels),FSE-T2ALT淋巴瘤与Hodgkin病一样,在中枢神经系统中都是很少见的原发性疾病。在淋巴瘤的分类上有三种最常用的分类标准(RI表现对于评价S淋巴瘤,MRI是最适宜的检查。在T1RI诊断.中国CT与MRI杂志.2006,3:48-49.3.高培毅,孙波.原发性脑内淋巴瘤的MRI研究.中华放射学杂志,1999,11(33)7
6、49-753.4.NamikErdag,RajeevM.Bhorade,RonaldA.Albericoetal.PrimaryLymphomaoftheCentralNervousSystem:TypicalandAtypicalCTandMRImagingAppearances.AJR2001,176:1319-1326.5.BlakeA.Johnson,EvanK.Fram,PeterC.Johnson,andRonaldJacoboaryLymphomaoftheCentralNervousS
7、ystem:parisonJNeuroradiol.1997,18:563-572.6.高保安,曾晓华,刘忠,等.脑内原发性淋巴瘤CT及MRI诊断,医学影像学杂志,2005,1(15)13-15.7.何光武,王斌,何江波,等.原发颅内淋巴瘤的MRI诊断和鉴别诊断.中国CT与MRI杂志.2007,3:41-43.