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ID:15199698
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页数:11页
时间:2018-08-01
《低场强mri在急性脊髓炎检查和诊断中的应用》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、低场强MRI在急性脊髓炎检查和诊断中的应用作者:马德智,陆玉敏,李保生【摘要】 目的探讨低场强MRI在急性脊髓炎检查与诊断中的应用价值,为影像诊断提供更多的依据。方法对临床确诊的12例急性脊髓炎的MRI和临床资料进行回顾分析。结果12例中病变累及颈髓者5例,颈髓至上段胸髓者1例,颈髓中、下段至上、中段胸髓者4例,下段胸髓受累2例;病变范围达4个以上椎体者10例;病变在T2WI上容易识别,均呈高或较高信号影,矢状位结合横轴位观察才能避免误判;5例脊髓轻度增粗,3例较明显增粗,4例脊髓形态改变不明显,脊髓形态改变在矢状位T1WI上显示清楚;3例行MRI对比增强
2、检查,其中1例呈中度条状强化,2例呈轻度斑片状强化,无占位效应。结论MRI能直观地反映急性脊髓炎的病理改变,是该病的一种理想影像检查和诊断技术。【关键词】磁共振成像脊髓炎/诊断 Low-fieldandhigh-resolutionMRIinexaminationanddiagnosisofacutemyelitis MADe-zhi,LUYuminLIBao-sheng11 (DepartmentofRadiology,AffiliatedHospitalofYoujiangMedicalCollegeforNationalities,Baise,G
3、uangxi533000,China) Abstract:ObjectiveToinvestigatetheclinicalvalueoflow-fieldandhigh-resolutionmagneticresonanceimaging(MRI)inexaminationanddiagnosisofacutemyelitis,soastoprovidemoreevidenceforimagediagnosis.MethodsTheMRIandclinicalmaterialsfrom12patientsprovenwithacutemyelitiswe
4、reprospectivelyanalysed.ResultsOf12patients,lesionsin5casesextendedtocervicalspinalcord,ofwhich1casewithlesionslocatedfromcervicalspinalcordtoupperthoracicspinalcord,4caseslocatedfrommiddleandinferiorcervicalspinalcordtosuperiorandmiddlethoracicspinalcord,2casessufferedinferiorthor
5、acicmyelitis.10patientssufferedmyelitiswithfourinjuredvertebralbodies.ThelesionswereeasilyidentifiedonT2WIimageswithhighorhigherresolution.Themisdiagnosiscouldbeavoidedviacross-sectionalincombinationwithsagittalscanningobservation.5caseswithslightcordenlargementwereobserved,and3wit
6、hobviouscordenlargement.Thecordformationchangesin4caseswerenot11obvious,andthcordformationchangesinsagittalpositionwereclearonT1WIimages.3casesundergoingcontrast-intensityexamination,of1withmoderateintensifiedstreakand2withslightplaque,nospaceoccupyingresponsewasobserved.Conclusion
7、MRIcancorrectlypresentthepathologicalchangesofacutemyelitis,whichresultsinareliabletechniqueforexaminationanddiagnosisofacutemyelitis. Keywords:magneticresonanceimaging;myelitis/diagnosis 急性脊髓炎是中枢神经系统较常见的疾病,临床上以急性横贯性脊髓损害为表现,过去主要依据病史、临床表现和脑脊液检查、并可辅以影像学的X线脊髓造影及CT进行诊断,但X线脊髓造影和CT对脊髓的
8、显示存在很大的局限性已为人们所熟知。随着MRI在临床
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