脑血肿CT诊断 英文.ppt

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1、HeadEmergency--Extraduralhaematoma--ByGuanmujuanwordsblow[bləu]n.吹；打击；殴打skull[skul]n.头盖骨，脑壳contrecoup['kɒntrə,kuː]n.对侧外伤contusion[kən'tjuːʒ(ə)n]n.挫伤；撞伤；青肿shearinginjuries剪切伤rupture['rʌptʃə]n.破裂；决裂；疝气dura['djʊərə]n.硬脑膜meningeal[mi'nindʒiəl]adj.脑膜的Temporoparietal颞顶部的郑州大学wordsstrip[st

2、rip]vt.剥夺；剥去；脱去衣服biconvex[bai'kɒnveks]adj.两面凸的lucid['luːsid]adj.易懂的；头脑清楚的ipsilateral[,ipsi'læt(ə)r(ə)l]adj.身体的同侧的dilatation[,dailei'teiʃ(ə)n]n.扩张；详述；膨胀度foramen[fə'reimen]n.孔Munroforamenmagnum[解剖]枕骨大孔郑州大学IntroductionCTisavitaltoolintheassessmentofpatientswithseriousheadinjury,andrev

3、olutionisedmanagementwhenitwasintroduced.郑州大学IntroductionAblowtotheskullresultsincompressioninjurytotheadjacentbrain(coup)andstretchingontheoppositeside(contrecoup).Thismayresultincontusion,shearinginjuriesandruptureofintraaxialorextra-axialvessels,leadingtohaemorrhage.郑州大学Extradur

4、alhaematoma-locationThesearisebetweentheinnertableoftheskullandthedura.Theyusuallydevelopfrominjurytothemiddlemeningealarteryoroneofitsbranches,andthereforeareusuallytemporoparietalinlocation.Atemporalbonefractureisoftenthecause,butisnotessential.郑州大学Theexpandinghaematomastripsthed

5、urafromtheskull;thisattachmentisquitestrongsuchthatthehaematomaisconfined,givingrisetoitscharacteristicbiconvexshape,withawelldefinedmargin.Extraduralhaematoma-characteristics郑州大学Itmaypresentasprimarydepressedconsciousnessorfollowingalucidinterval.Thebleedingisusuallyacuteandsoofhi

6、ghattenuation.ThereisoftensignificantmasseffectwithcompressionoftheipsilaterallateralventricleanddilatationoftheoppositelateralventricleduetoobstructionoftheforamenofMunro.Thebasalcisternsmaybeeffaced.Extraduralhaematoma-characteristics郑州大学Thisisthetypicalappearanceandlocationofana

7、cuteextraduralhaematoma.Notethehighdensityofthehaematoma.Slightmidlineshiftispresent.Examples郑州大学ExamplesThisexampleshowsamoreunusual,lowerlocation.Notealsothegaswithinthehaematoma-thisindicatesabasalskullfractureor,asinthiscase,itispostsurgical.Notealsothedilatedlateralventricleon

8、theoppositeside.郑州大学Rightf