镜像动脉瘤发生、影像学及治疗.ppt

Genesis,ImagingandTreatmentofIntracranialMirrorAneurysms(MirANs)InstituteofDiagnosticandInterventionalRadiology,TheSixthAffiliatedPeople’sHospital,ShanghaiJiaoTongUniversityTANHUA-QIAOMD.Ph.D.1精品医学ppt

DefinitionofMirANUncommon，specialsubgroupofmutipleintracranialaneurysms;occuringatroughlythesamelocationoneachsideinthesamepatientwithoutconsideringthesizeoftheaneurysms.↙↘→←2精品医学ppt

HypothesisongenesisandgrowthofMirANsAdifferentetiologicprocessoccursinmirroraneurysmdisease.Acongenitalpredisposition,andtheearlyembryologicalderangementofvascularwallformationmightbeoneoftheirunderlyingcauses.EarlyruptureinpatientswithnoextrinsicriskfactorssupporttheroleofacongenitalpredispositionoverdegenerativecausesinthepatientswithMirAN.Hemodynamicforcesmightberesponsiblefortriggeringthedevelopmentofananeurysmintheprimarilyabnormalvesselwall.3精品医学ppt

EpidemiologyofMirANsPrevalence:Constitutelessthan5%ofoverallaneurysmsAccountforapproximately20%–30%amongmultipleaneurysmsFamilialandtwinintracranialaneurysm:65～70%Non-familial,sporadicintracranialaneurysm:～21%Ourresultfrom190patientsharboringmutipleintracranialaneurysmsbetweenJune2007andJuly2011MANsaccountfor26.3%amongmultipleaneurysms4精品医学ppt

EpidemiologyofMirANLocationCommonlocation:MCAbifurcationandPCoAreportedbyliteratureUncommonsite:ACAA1,Pericallosal,VertebralArteryOurresultfrom50patientswithMirANbetweenJune2007andJuly2011MCAbifurcation(10%)PCoA/C7(24%)C6(24%)C5(20%)C4(20%)Otherlocation(2%)5精品医学ppt

EpidemiologyofMirANsGenderdistributionMirANVSnMirANswithmutipleintracranialaneurysms-Female/maleratio:3.1:1VS2.1:1Female/maleratio