脑部的正常CT及MRI解剖

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1、腦部----(1)腦部的正常CT及MRI解剖腦部解剖構造---BrainParenchyma(腦實質)Cerebrum:frontallobe,temporallobe,parietallobe,occipitallobeCerebellumBasalganglia,thalamusBrainstem,midbrainSubarachnoidspaces(蜘蛛網膜下腔,CSFspaces)Ventricles(腦室)---lateral,3rd,4thventriclesCisterns(腦池)---suprasellar,quadrigeminalciste

2、rns(四疊體腦池)….Fissures(腦裂)---Sylvian,interhemisphericfissures…Sulci(腦溝)F:frontallobeP:ponsT:temporallobes:suprasellarcistern(碟鞍上腦池)Ce:cerebellumd:dorsumsellaFTCesPdparietallobe4thVFTMbCeF:frontallobeMb:midbrainT:temporallobes:suprasellarcistern(碟鞍上腦池)Ce:cerebellumsTemporallobeparietall

3、obeFQcMb3vTOF:frontallobeSy:SylvianfissureT:temporallobeO:occipitallobeMb:midbrain3v:3rdventriclelv:lateralventricleCC:corpuscallosum(genu)Qc:quadrigeminalcistern(四疊體腦池)SyCCparietallobelvFPOSpCCF:frontallobeCC:corpuscallosumP:parietallobeSp:spleniumofCCO:occipitallobelv:lateralventri

4、cles:sulcusparietallobelvssFPCiCSIfF:frontallobeIf:interhemisphericP:parietallobefissureCi:cingulumcs:centralsulcusCS:centrumsemiovalcsparietallobepgctic:caudatenucleus尾狀核p:putamen被核g:globuspallidus蒼白核t:thalamus視丘i:internalcapsule內囊Basalganglialv:lateralventricle,frontalhorn3v:3rdven

5、tricleqc:quadrigeminalcisternSy:Sylvianfissureqcsf3vlvsc:suprasellarcisternaq:aqueductth:temporalhornoflateralventricle認識腦室及腦池scaqthSyth3vlv頭部外傷ClassificationofHeadInjury腦外病灶(ExtracerebralLesions)腦內病灶(IntracerebralLesions)其他傷害頭部外傷的後遺症ExtracerebralLesionsEpiduralhematoma（硬腦膜上腔血腫）Subdu

6、ralhematoma(硬腦膜下腔血腫)Subduraleffusion(硬腦膜下積水）Counter-coupInjuryThelesionisintheoppositesideofimpactsite30%incidence.ScalpswellingEDH同側撞擊同側出血Counter-coupInjuryDura(硬腦膜)Subdural(硬腦膜下)Epidural(硬腦膜上)二.ExtracerebrallesionsEpiduralhematomaSubduralhematomaSubduraleffusionAcuteEpiduralHematom

7、aFusiform(紡綞狀)orbiconvex(雙凸狀)hyperdenselesion腫塊效應強，可造成herniation(疝脫）Thehematomastillcontainsuncoagulatedblood,orstillhasactivebleeding.Round,stream-likefillingdefectsmaybeseeninthehematoma.需緊急處理AcuteEpiduralHematoma血塊內含較灰區(箭)，代表正在出血中，有未凝結的血塊EDH：紡垂型，高濃度血塊頭皮腫(箭)，撞擊處AcuteSubduralHemato

8、maSickle-sha