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1、马尾神经区肿瘤mr诊断探讨(MRdiagnosisofcaudaequinatumor)MRdiagnosisofcaudaequinatumorUpdateDate:12-07#e#[keyword]caudaequinaAbstract:Objective:ToinvestigatethecharacteristicsofMRincaudaequinatumorsandtoimprovethediagnosticanddifferentialdiagnosisofMR.Methods:theMRfeaturesof5
2、0casesofcaudaequinatumorsdiagnosedpathologicallyorclinicallywereanalyzed.Results:15casesoflipomain12caseswithcongenitalmalformation,2casesofvisibletailwrappedaround,2casesof3cases,MRMrotateinthesagittalvisiblesubarachnoidnarrowstooneside・Ofthe13schwannomas,10hadc
3、ysticdegeneration,andtheenhancedscanshowedasubstantialenhancementoftheparenchyma・2casesofMRMrotationofthecaudanervesheathshowedthe"cupmouth"liketruncationinthecerebrospinalfluidcolumnaboveandbelowthetumor・In7casesofneurofibroma,3casesweremultiple,thetumorT1WIshow
4、edequalorlowsignal,andT2WIshowedequalorslightlyhighersignal.In5casesofependymoma,T1WIshowedequalorslightlyhighersignal,T2WIshowedhighsignal,and1caseshadcysticdegeneration.In4casesofmeningioma,theenhancedseanwasmarkedlyenhanced,inwhich1casesshowed"duraltailsign〃an
5、dthecaudaequinashowedpoor・Multiplemetastaseswerefoundin2cases,andmultipledefectsinthecaudaequinaareawerefoundinMRM.Cholesteatoma,paraganglioma,lymphomaandhemangiomain1cases,ofwhichthereisnoenhancementofbileducttumor・Conclusion:MRcanclearlydisplaythemorphologicfea
6、tures,MRsignalcharacteristics,therelationshipwithcaudaequinaandvariouschangesofcaudaequina,whichisofhighvalueforthedifferentialdiagnosisofcaudaequinatumors・Keyword:spinaltumor;caudaequina;magneticresonanceimagingExploration,the,Diagnosis,of,MR,of,Cauda,Tumors,Equ
7、inaHUANG,Xun,WU,Che-fu,XIE,Qun-xian(The,Department,of,Radiology,Zhanjiang,Central,People's,Hospital,Guangdong,Zhanjiang,,China)Abstract:Objective:Inordertoimprovedingnosticability,theMRimagingfindingofcaudatumorswerestudied.Method:50pathologicallyclinicallyconfir
8、medcasesoftumorsinthecaudaareawereexaminedwithMRimaging・Results:Lipomaoccurredincasesofourseriesof15patientsand12casesoutofthecongeniteddefectofvarious15showed
