最新七年制医学课件影像诊断-药学医学精品资料.ppt

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1、最新七年制医学课件影像诊断-药学医学精品资料Introducepneumoniaismaycausedbybacteria、virusorfungus,etc.Pneumoniacanbecertainlydiagnosedinapatientbytheradiologicaldemonstrationofconsolidation.Radiologyplaysakeyroleinthediagnosisandmanagement.Iwillteachthelobarpneumonia、thelobularpneumonia、interstitialpneumoniaandthelun

2、gabscessinthislesson.ThelobarpneumoniaThelobarpneumoniaisanacuteinfectioncausedbypneumococcus.Clinicpresent:1.youngadult.2.anacuteillnesswithchills.highfever.cough(sputumandsometimesblood-streakedsputum).chestpain.etc.3.laboratorytest:leucocytetotalityandN(neutrophilia)bothincreased.Thelobarpneu

3、moniaConsolidationstageUniformityconsolidationoflobeorsegment.Alargeuniformityhighdensityshadowoccupyinginalobeorsegment.Bronchiolarairsign(airbronchogram):Itshowsintheconsolidationadjacentlunghilar.Distinguishwithatelectasis:atelectasisaccompanywithcontractedfinding.ThelobarpneumoniaAbsorbstag

4、eThelesionisbeginningabsorbedfromtheedgeofconsolidationandalmostallofthemwillvanishedintwoweeks.But,fewfibrosismaychronicallyremaininthelungsinthefewcases.ThelobarpneumoniaSummaryUniformityconsolidationoccupyinginasegmentorlobe.Incubationperiod:12hr.“Bronchiolarairsign”intheconsolidation.Consol

5、idationcanbeabsorbedintwoweeks.Bronchopneumonialobular-pneumoniaThelobular-pneumoniaisachronicinfectioncausedbybacteriaand/orviruses.Mostoccurredinoldpeople,childrenandpersonwhoin-bedinlong-range.Slightandchronicclinicpresent.lobular-pneumoniaTheX-rayfeatures1.Position:bilateralinferiorlobes.2

6、.ThematterandinterstitialoflungareInvolved.3.Multiple,Patchyconsolidation.4.Lungmarkingsincreasing.5.Bronchialwallthickening(bronchitis):Railwaysign.TheinterstitialpneumoniaBothmedium-inferiorlungsshowsincreasedandfaintlungmarkings;Companiedwithdiffusedemphysemainsometimes;Hilardensityincreased.

7、LungabscessInfectingway:aspiration.bloodtransmit.Clinicpresent:Oldpeopleorchildren.Acuteillness.Highfever,alotofsputumwithpus(putrid).LungabscessPathogenicConsolidationandnecrosis.Regionalpleuralreaction.LungabscessTheX-ra