七年制医学课件影像诊断医学影像诊断学复习笔记二

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1、©PneumoniaYANMIN14/03/2005©Introduceopneumoniaismaycausedbybacteria.virusorfungus，etc.oPneumoniacanbecertainlydiagnosedinapatientbytheradiologicaldemonstrationofconsolidation.oRadiologyplaysakeyroleinthediagnosisandmanagement.oIwillteachthelobarpneumonia、thelobularpneumonia、interstitialpneumonia

2、andthelungabscessinthislesson.©ThelobarpneumoniaThelobarpneumoniaisanacuteinfectioncausedbypneumococcus.□Clinicpresent:1.youngadult2・anacuteillnesswithchills.highfever.cough(sputumandsometimesblood-streakedsputum)xhestpain.etc.3.1aboratorytest:leucocytetotalityandN(neutrophilia)bothincreased•□Th

3、elobarpneumoniaPathogenicThestagesofpathogenic:LInflammationandedemastage.2.Consolidationstage.Redliver.Greyliven3.Absorbstage.□ThelobarpneumoniaExaminemethods1.fluoroscopy.ICsappliedonlyinearlystage.2.Chestfilm•mainlymethodsofradiology.P-AfilmLateralfilm.3.CT.accessorialmethod.□Thelobarpneumoni

4、aX-rayfeaturesInflammationandedemastage:Incubationperiod:12hr.Negative.Lungmarkingsincreasing*□ThelobarpneumoniaConsolidationstageoUniformityconsolidationoflobeorsegmentAlargeuniformityhighdensityshadowoccupyinginalobeorsegment.oBronchiolarairsign(airbronchogram):Itshowsintheconsolidationadjacen

5、tlunghilar.oDistinguishwithatelectasis:atelectasisaccompanywithcontractedfinding•□ThelobarpneumoniaAbsorbstageThelesionisbeginningabsorbedfromtheedgeofconsolidationandalmostallofthemwillvanishedintwoweeks.But,fewfibrosismaychronicallyremaininthelungsinthefewcases•□ThelobarpneumoniaSummaryUniform

6、ityconsolidationoccupyinginasegmentorlobe.Incubationperiod:12hr.uBronchiolarairsign”intheconsolidation.Consolidationcanbeabsorbedintwoweeks.◎Bronchopneumonialobular-pneumoniaThelobular-pneumoniaisachronicinfectioncausedbybacteriaand/orviruses.Mostoccurredinoldpeople^childrenandpersonwhoin-bedinl

7、ong-range•Slightandchronicclinicpresent.□lobular-pneumoniaTheX-rayfeaturesLPosition:bilateralinferiorlobes.2.ThematterandinterstitialoflungareInvolved.3・Multiple,Patchyconsolidation.4.Lungmarkingsincreasing.5.Bronchialwallth