臂丛神经节前完全损伤的mri表现特点与诊断价值分析

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1、英文摘要ofmachinerytractioninjury，4casesoftampinjuryand2casesofhighfallinginjury．Allofthese29patientsreceivedmagneticresonanceexamination，amongwhom，25patientsreceivedsurgicalexplorationandintra—operativeelectrophysiologicalexamination。Numberofnerverootsofdirectsignsandtraumaticmeningealcy

2、stsinmagneticresonanceexamination，whichwerediagnosedaspreganglioniccompleteinjuryandpartialinjurywerecounteduprespectively,andwithsurgicalexplorationresultandintra—operativeelectrophysiologicalexaminationresultasdeterminationstandard，treatingpreganglionicpartialinjuryandnoinjuryaspreg

3、anglionicincompleteinjury，thesensitivity,specificityandaccuracyofdirectsignsandtraumaticmeningealcystsinresonanceexaminationtowardspreganglioniccompleteinjurywerecalculatedrespectively．Statisticalmethod：SPSS13．0statisticalsoftwarewasusedforstatisticalanalysisofexperimentaldatawithchi—

4、squaretest，preoperativeMRIexaminationresultswerewroteintofourfoldtablerespectively,andwithsurgicalexplorationresultandintra-operativeelectrophysiologicalexaminationresultasdeterminationstandard，thesensitivity,specificityandaccuracyofdirectsignsandtraumaticmeningealcystsinpreoperativeM

5、RIexaminationtowardspreganglioniccompleteinjurywerecalculatedrespectively．Result：among29casesofpatients，4casesshowednoobviousabnormalityinMRIexamination，whichwereimprovedbyconservativeobservedtreatment；and25casesofpatientswereconfirmedbysurgicalexplorationandintra—operativeelectrophys

6、iologicalexamination．MRIexaminationresultofbranchialplexusnervepreganglionicinjury：1．directsign：(1)53nerveswithcompleteinjury：①28nerveswithnerverootfiliformtexturedisappeared②18nerveswithnerverootfiliformtexturebroken③7nerveswithnerverootletthickened，twistedorstifftravellingroutewithd

7、isorderedstructure，whichcouldnotbetracedtointervertebralforamencontinuously．(2)18nerveswithpartialinjury：④7nerveswithsignificantlylessnerverootletsontheaffectedsidethanthehealthysideofthecoronalplane②1lnerveswithintra—spinalanteriorrootorposteriorrootbrokenor4英文摘要disappearedwithposter

8、iorro