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1、HeadEmergency--Extraduralhaematoma--ByGuanmujuanwordsblow[bl?u]n.吹;打擊;毆打skull[skul]n.頭蓋骨,腦殼contrecoup['k?ntr?,ku?]n.對側外傷contusion[k?n'tju??(?)n]n.挫傷;撞傷;青腫shearinginjuries剪切傷rupture['r?pt??]n.破裂;決裂;疝氣dura['dj??r?]n.硬腦膜meningeal[mi'nind?i?l]adj.腦膜的Temporoparietal顳頂部的鄭州大學wordsstrip[st
2、rip]vt.剝奪;剝?nèi)ィ幻撊ヒ路iconvex[bai'k?nveks]adj.兩面凸的lucid['lu?sid]adj.易懂的;頭腦清楚的ipsilateral[,ipsi'l?t(?)r(?)l]adj.身體的同側的dilatation[,dailei'tei?(?)n]n.擴張;詳述;膨脹度foramen[f?'reimen]n.孔Munroforamenmagnum[解剖]枕骨大孔鄭州大學IntroductionCTisavitaltoolintheassessmentofpatientswithseriousheadinjury,andrev
3、olutionisedmanagementwhenitwasintroduced.鄭州大學IntroductionAblowtotheskullresultsincompressioninjurytotheadjacentbrain(coup)andstretchingontheoppositeside(contrecoup).Thismayresultincontusion,shearinginjuriesandruptureofintraaxialorextra-axialvessels,leadingtohaemorrhage.鄭州大學Extradur
4、alhaematoma-locationThesearisebetweentheinnertableoftheskullandthedura.Theyusuallydevelopfrominjurytothemiddlemeningealarteryoroneofitsbranches,andthereforeareusuallytemporoparietalinlocation.Atemporalbonefractureisoftenthecause,butisnotessential.鄭州大學Theexpandinghaematomastripsthed
5、urafromtheskull;thisattachmentisquitestrongsuchthatthehaematomaisconfined,givingrisetoitscharacteristicbiconvexshape,withawelldefinedmargin.Extraduralhaematoma-characteristics鄭州大學Itmaypresentasprimarydepressedconsciousnessorfollowingalucidinterval.Thebleedingisusuallyacuteandsoofhi
6、ghattenuation.ThereisoftensignificantmasseffectwithcompressionoftheipsilaterallateralventricleanddilatationoftheoppositelateralventricleduetoobstructionoftheforamenofMunro.Thebasalcisternsmaybeeffaced.Extraduralhaematoma-characteristics鄭州大學Thisisthetypicalappearanceandlocationofana
7、cuteextraduralhaematoma.Notethehighdensityofthehaematoma.Slightmidlineshiftispresent.Examples鄭州大學ExamplesThisexampleshowsamoreunusual,lowerlocation.Notealsothegaswithinthehaematoma-thisindicatesabasalskullfractureor,asinthiscase,itispostsurgical.Notealsothedilatedlateralventricleon
8、theoppositeside.鄭州大學Rightf