脊髓缺血

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1、Neuroradiology(2015)57:241–257DOI10.1007/s00234-014-1464-6CONTINUINGEDUCATIONSpinalcordischemia:aetiology,clinicalsyndromesandimagingfeaturesStefanWeidauer&MichaelNichtweiß&ElkeHattingen&JoachimBerkefeldReceived:16September2014/Accepted:3November2014/Publishedonl

2、ine:16November2014#Springer-VerlagBerlinHeidelberg2014AbstractconsequenceofanteriorspinalarteryduplicationwhichisIntroductionThepurposeofthisstudywastoanalyseMRobservedpreferentiallyhere.imagingfeaturesandlesionpatternsasdefinedbycompro-misedvascularterritories,c

3、orrelatingthemtodifferentclinicalKeywordsSpinalcord.Infarct.MRI.Aetiology.Clinicalsyndromesandaetiologicalaspects.syndromeMethodsIna19.8-yearperiod,clinicalrecordsandmagneticresonanceimaging(MRI)featuresof55consecutivepatientssufferingfromspinalcordischemiawereev

4、aluated.IntroductionResultsAetiologiesofinfarctswerearteriosclerosisoftheaortaandvertebralarteries(23.6%),aorticsurgeryorinter-Contrarytocerebralinfarction,spinalcordischemiaisarareventionalaneurysmrepair(11%)andaorticandvertebraldiseaseandaccountsforlessthan1%of

5、allstrokes[1].Onearterydissection(11%),andin23.6%,aetiologyremainedreasonforthisistheextensivevascularcollateralnetworkofunclear.Infarctsoccurredin38.2%atthecervicalandtho-thespinalcord,whichisprovidedbytheanteriorspinalarteryraciclevel,respectively,and49%ofpatie

6、ntssufferedfrom(ASA),dualposteriorspinalarteries(PSA)anddualpostero-centromedullarsyndromecausedbyanteriorspinalarterylateralspinalarteries(PLSA)[2–5].Thesearterieshavenu-ischemia.MRIdisclosedhyperintensepencil-likelesionpat-meroussegmentalcircularanastomosesviat

7、hevasocoronaternonT2WIin98.2%,cordswellingin40%,enhancementand,inaddition,manytransverseandlongitudinalintercon-onpost-contrastT1WIin42.9%andalwayshyperintensenectionsonthespinalcordsurface[2–5].signalondiffusion-weightedimaging(DWI)whenacquired.Aetiologyofspinal

8、cordinfarctionisheterogeneousin-ConclusionThemostcommonclinicalfeatureinspinalcordcludingspontaneousandtraumaticuni-orbilateralvertebralischemiaisacentromedull