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ID:32813540
大小:6.11 MB
页数:40页
时间:2019-02-16
《3.0高场磁共振磁化传递成像对常规mri阴性癫痫的研究》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、遵义医学院硕士学位论文3.0高场磁共振磁化传递成像对常规MRI阴性癫痫的研究姓名:刘新峰申请学位级别:硕士专业:影像医学与核医学指导教师:先正元201205遵义医学院硕士学位论文3.OT高场磁共振磁化传递成像对常规MR阴性癫痫的研究3.0T高场磁共振磁化传递成像对常规MR阴性癫痫的研究摘要目的:应用磁化传递成像(magnetizationtransferimagingMTI)技术研究常规磁共振检查阴性的癫痫患者脑微观结构的改变,探讨磁化传递率(MagnetizationtransferratioMTR)改变与
2、病程的相关性,提高对其病理生理机制理解,为癫痫诊断及治疗提供理论依据。资料与方法:搜集2011年1月.2011年12月在遵义医学院附属医院门诊就诊的患者,由两名神经内科高年资医师根据2001年国际抗癫痫联盟的诊断标准‘¨及EEG诊断为癫痫的患者42例(男25,女17例),其中10例患者因常规M刚阳性或图像质量差舍弃,最后纳入研究病例组32例(男17例,女15例)。招募32例年龄、性别、利手及教育程度相匹配的健康志愿者作为正常对照组。本研究通过伦理委员会批准,并在检查前得到了所有纳入受试者或其监护人的同意并签署
3、知情同意书。所有受试者均行西门子3.0TTrioATim超导MR常规扫描和MTI序列扫描。MTI数据处理在基于Matlab环境用统计参数图软件(StatisticalParametricMapping2,SPM2)进行体素分析,包括:图像配准、MTR计算、空间标准化和平滑,对两组数据使用两样本t-lest进行统计学分析(取P4、D.05)。相关分析发现左侧小脑及枕叶舌回、梭状回与病程呈负相关。结论:MTI能够检测常规MR检查阴性癫痫潜在的微观病理变化,为癫痫病理生理机制研究提供理论依据。关键词磁共振成像;磁化传递成像;癫痫;常规MR阴性遵义医学院硕士学位论文3.0T高场磁共振磁化传递成像对常规MR阴性癫痫的研究MagnetizationtransferimagingstudyofconventionalMlU·negativeepilepsyat3.0ThighfieldmagneticresonancescanerAbstract5、objective:TostudycerebralmicrostructurechangesinpatientswithconventionalMRI-Negativeepilepsybymagnetizationtransferimagingtechnique,exploreCorrelationbetweenMTRandtheillnessduration,andimprovetheunderstandingofepilepsypathophysiologicalmechanisms.Methods:Fo6、ay-twopatientsfromoutpatientAffiliatedHospitalofZunyiMedicalCollegein2011tookpartinthisstudy.ThePatientgroup(male25,female17)werediagnosedbytwoexperienceddoctorsofNeurology,accordingtothediagnosticcriteriaoftheInternationalLeagueAgainstEpilepsyandEEG.Tenpat7、ientswereexcludedbecauseoftheintracranialorganicdiseasefoundbyconventionalMRIorimagequatliy.So,32cases(malel7,femalel5)wereanalyzedfinally.32age-,sex-,handedness·andeducationlevel-matchedhealthyvolunteerswererecruitedfornormalcontrolgroup.Allparticipantsorg8、uardiansgavewritteninformedconsentandthestudywasapprovedbytheinstitutionalethicalreviewboard.Magnetizationtransferimaging(MTI)andconventionalMRlwereperformedin32patientsand32sex..andage..matchedhealthy
4、D.05)。相关分析发现左侧小脑及枕叶舌回、梭状回与病程呈负相关。结论:MTI能够检测常规MR检查阴性癫痫潜在的微观病理变化,为癫痫病理生理机制研究提供理论依据。关键词磁共振成像;磁化传递成像;癫痫;常规MR阴性遵义医学院硕士学位论文3.0T高场磁共振磁化传递成像对常规MR阴性癫痫的研究MagnetizationtransferimagingstudyofconventionalMlU·negativeepilepsyat3.0ThighfieldmagneticresonancescanerAbstract
5、objective:TostudycerebralmicrostructurechangesinpatientswithconventionalMRI-Negativeepilepsybymagnetizationtransferimagingtechnique,exploreCorrelationbetweenMTRandtheillnessduration,andimprovetheunderstandingofepilepsypathophysiologicalmechanisms.Methods:Fo
6、ay-twopatientsfromoutpatientAffiliatedHospitalofZunyiMedicalCollegein2011tookpartinthisstudy.ThePatientgroup(male25,female17)werediagnosedbytwoexperienceddoctorsofNeurology,accordingtothediagnosticcriteriaoftheInternationalLeagueAgainstEpilepsyandEEG.Tenpat
7、ientswereexcludedbecauseoftheintracranialorganicdiseasefoundbyconventionalMRIorimagequatliy.So,32cases(malel7,femalel5)wereanalyzedfinally.32age-,sex-,handedness·andeducationlevel-matchedhealthyvolunteerswererecruitedfornormalcontrolgroup.Allparticipantsorg
8、uardiansgavewritteninformedconsentandthestudywasapprovedbytheinstitutionalethicalreviewboard.Magnetizationtransferimaging(MTI)andconventionalMRlwereperformedin32patientsand32sex..andage..matchedhealthy
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