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时间:2019-11-22
《[经典]MRI阴性的急性脊髓炎的临床特点分析》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、[经典]MRI阴性的急性脊髓炎的临床特点分析MRI阴性的急性脊髓炎的临床特点分析【摘要】目的研究MRI未发现病灶的急性脊髓炎(acutemyelitis,AM)的临床特点。方法观察并分析6例MRI阴性的AM患者(研究组)和25例MRI发现责任病灶的AM患者(对照组)的临床特点,所有患者符合急性横贯性脊髓炎协作组公布的AM诊断标准。结果研究组有前驱感染的比例显著高于对照组,从前驱感染到AM发病的潜伏期显著短于对照组,脊髓休克期出现的比例显著低于对照组,脊髓完全性横贯性损伤的比例显著低于对照组,治疗效果显著优丁对照组,转化为多发性硬化或视神经脊髓炎的比例显著低于
2、对照组。结论与MRI发现责任病灶的AM相比,MRI阴性的AM有其不同的临床特点,对其及时的识别和治疗具有重要的临床意义。【关键词】MRI;急性脊髓炎;临床特点AnalyseforcharactersofMRInegativeacutemyelitisZHANGLei,WANGJun-feng,LIUHan-wei・DepartmentofNeurology,The5thAffliatedHospitalofSunYat-senUniversity,Zhuhai519000,China[Abstract]ObjectiveToevaluatetheclinic
3、alcharactersofMRInegativeacutemyelitis(AM)・MethodsObservedandanalyzedtheclinicalcharactersof6AMcaseswithnegativeMRIfinding(studiedgroup)and25AMcaseswithresponsiblefocishownbyMRI(controlledgroup)・AllthecasesaccordedwithTransverseMyelitisconsortiumWorkingGroupproposeddiagnosticcriter
4、ia.ResultsThepercentageofprodromalinfectionsinstudiedgroupwassignificsntlyhigherthancontrolledgroup・ThelatentperiodbetweenprodromalinfectionsandAMattacksinstudiedgroupwassignificantlyshorterthancontrolledgroup・Thepercentageofspinalshockinstudiedgroupwassignificantlyhigherthancontro
5、lledgroup・comparedwithcontrolledgroup,thepercentageofcompletetransversespinaldamageswassignificantlylowerinstudiedgroup.Thecurativeeffectsweresignificantlybetterandthepercentageoftramsformedtomultiplesclerosisorneuromyelitisopticawassignificantlylowerinstudiedgroupcomparedwithcontr
6、olledgroup・ConclusionTheclinicalcharactersofMRInegativeAMaredifferentfromthoseofresponsiblefocishownbyMRI.Earlyrecognitionandtherapywereofgreatimportance・[Keywords]MRI;Acutemyelitis;Clinicalcharacters急性脊髓炎(acutemyelitis,AM)是一组病因未明的脊髓白质脱髓鞘或坏死性病变,导致急性脊髓横贯性损害。以往诊断AM主要依靠临床表现,有条件的可做脊髓造影
7、,但该检查具有一定危险性。口临床应用核磁共振成像(MRI)以來,AM的诊断有了突破性进展,但MRI正常不能排除本病[l]o国内外均有报道MRI阴性的AM[2-4],但未对其临床特点进行分析,木研究对6例MRI阴性的AM进行观察和分析,并与MRI发现责任病灶的AM进行对比,旨在总结出MRI阴性的AM的临床特点,更好地指导临床丁作。1资料与方法1.1一般资料选择2007〜2010年在中山大学附属第五医院神经内科住院且符合急性横贯性脊髓炎协作组公布的AM诊断标准的31例AM患者。其中男14例,女17例,平均(25.6±4,2)岁。1.2方法1.2.1检查与治疗应用
8、西门了1.5T永磁型磁共振成像仪对所有AM患者按临床
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