正常颅脑ct和mri影像表现英文版

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1、CTANDMRIIMAGINGOFNORMALBRAINwww.smso.netNORMALANATOMYOFBRAINBrainisseparatedfromcalvariumbythreemeninges-duramater,arachnoidmembraneandpiamater.Dividedintosupratentorialandinfratentorialcompartmentscontaining:-Supratentorium:CerebralhemispheresdiencephalonInfr

2、atentorium:BrainstemstructurescerebellumEachcerebralhemisphereisfurtherdividedintoFrontal,Parietal,TemporalandOccipitallobesbyfissureswww.smso.netBRAINANATOMYwww.smso.netSagittalsurfaceLatventGenuFornixPituitaryglandMidbrainPonsMedullaCingulategyrusQuadrigemina

3、lcisternSpleniumColliculi4thventCerebellumThalamuswww.smso.netSagittalsurfacePinealglandSup.colliculiInf.ColliculiAqueductofsylviusMidbrainCerebellum4thventriclePonsOculomotornInterthalamiccommissure109www.smso.netInferiorsurfaceInterhemisphericfissureTemporall

4、obeMammillarybodiesFrontallobeOlfactorytractOptictractPit.stalkponsMedullaoblongataCerebellumVermiswww.smso.netBrainstemstructuresMidbrain:dividedintoCerebralpedunclesandcolliculi.Supcolliculiattachedtomed.Geniculate&InftolateralGeniculatebodySurroundedbyPeri-m

5、esencephaliccistern.Pons:dividedintotectumandtegmentumConnectsmidbraintomedullaMedulla:continuesasspinalcordContainsascendinganddescendingSpinaltractswww.smso.netCerebellumDividedintotwohemispheresbyfalxcerebelliConnectedinthemidlinebyawormlikestructure-VermisD

6、ividedintoI.Anteriorlobeii.MiddlelobeIii.Flocculo-nodularlobewww.smso.netVentriclesofbrainLateralventricle:-Cshapedcavitywithbodyintheparietallobeandextensionsinthefrontaltemporal,occipitallobesConnectedtothirdventriclebyforamenofmonro.Thirdventricle:-liesb/wtw

7、othalami.connectedtofourthventriclebycerebralaqueduct.Fourthventricle:-liesinthecerebellumCSFFlow:-Lat.vent->foramenofmonro->3rdvent->cerebralaqueduct->4thvent->foramenofmagindieandluschka->subarachnoidspace>finallyabsorbedbythearachnoidgranulationswww.smso.net

8、Ventriclesofbrainwww.smso.netBloodsupplyofthebrainwww.smso.netBloodsupplyofthebrainByInternalCarotidandVertebralAInternalcarotidA:MiddlecerebralAAntcerebralAPost.communicati