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DiagnosticRadiologyofRespiratorySystemDiagnosticRadiologyof1LEARNINGOBJECTIVES
Masterdegree
(*):X-rayandCTappearanceofpneumonia,pulmonarytuberculosisandlungcancerLEARNINGOBJECTIVESMasterdeg2CommonimagingmethodsChestplainfilming√Computedtomography
(CT)√
Commonimagingmethods3CTPlainfilmDifferencebetweenX-rayplainfilmingandCTCTPlainfilmDifferencebetween4Posteroanteriorchest(P-A)ChestplainfilmimgRightLeftPosteroanteriorchest(P-A)C5NormalchestCTNormalchestCT6CommonabnormalimagingpatternsandlesionsAtelectasisConsolidationNoduleMassCalcificationCavityInterstitiallesionPleuraleffusionPneumothoraxPleuralthickeningandcalcificationCommonabnormalimagingpatter7DiagnosisofCommonDisease(I)
Inflammatorylesions:---Bronchiectasis---Pneumonia&abscess---TuberculosisDiagnosisofCommonDisease(I8BronchiectasisChronicirreversibledilatationofdiseasedbronchi.Causes
Post-infectious:bacteria,viruses,etc.Mechanicalobstruction:foreignbody,mucoidimpaction,tumour,inflammatorystenosis.CongenitalImmunodeficiencyGranulomasandfibrosisIdiopathicBronchiectasisChronicirrevers9BronchiectasisClinicalfeaturesProductionoflargevolumesofpurulentsputumRecurrenthaemoptysisFrequentinfectiveexacerbationBronchiectasis10
BronchiectasisTypesofbronchiectasis(*):(a)Cylindricalbronchiectasis(b)Varicosebronchiectasis(c)CysticbronchiectasisBronchiectasis11BronchiectasisX-rayfindingsPlainfilmIncreasingandthickeningoflungmarkings.CTCylindrical,varicose,orcysticappearance.BronchiectasisX-rayfindings12BronchiectasisCysticbronchiectasisCylindricaldilationdenseinfiltrationofthebothlungBronchiectasisCysticbronchiec13Bronchiectasisshowsdilatedbronchiandbronchioles,forminga“clusterofgrapes”
Signetringsignnormalarterybronchus“clusterofgrapes”
Bronchiectasisshowsdilatedbr14Pneumonia---infectiveconsolidationofthelungClassificationbyanatomy(*)
Lobarpneumonia
Lobularpneumonia
InterstitialpneumoniaPneumonia---infectiveconsolid15Lobarpneumonia
Causes
pneumococcus(usually)Clinicalmanifestation
Commonestinyoungandadults
suddenonsethighfever(>39℃)shakingchillcoughwithrustycolorsputum
Lobarpneumonia16
Lobarpneumonia
Dividedinto4
stages(*):Congestivestage(in24hafteronset)RedconsolidationstageGrayconsolidationstageResolutionstage(2weeks)X-rayfindings(*)
Thetypicalradiologicalpattern—Air-spaceconsolidationinvolvinganentirelobe
AirbronchogramsignLobar17homogeneousair-spaceconsolidationinvolvingtheentirerightlowerlobehomogeneousair-spaceconsolid18Lobarpneumonia
AirbronchogramsignLobarpneumoniaAirbronchogra19Causes
StaphylococcusaureusGram-negativeorganismssuchasPseudomonasaeruginosaLobularpneumonia
CausesLobularpneumonia20ClinicalmanifestationsHistoryofacutebronchitisCommonlyseeninchildrenandeldlypeople,
orthepatientswithpredisposingfactor.FeverProductivecough,Infected(yelloworgreen)sputum.CorsecrepitationsDullnesstopercussionBronchialbreathingLobularpneumonia
ClinicalmanifestationsLobular21PathologicalchangesLobularconsolidationEdemaandthickeningofwallsofthesmallerbronchioles.X-rayfindings(*)Ascatteredappearanceofheterogeneousorhomogeneousopacitiesincompleteresolution:fibrosisLobularpneumonia
PathologicalchangesLobularpn22Lobularpneumonia
ill-defined,scatteredappearance,heterogeneousshadowsLobularpneumoniaill-defined,23Lobularpneumonia
multifocalareasofconsolidationLobularpneumoniamultifocala24Interstitialpneumonia---Involvementoftheinterstitialtissueoflungs---Occursaroundthebronchialtree,bloodvessels,thealveolarsepta,andinterlobularsetpa.X-rayfindings(*)Linear,reticular,orhoneycombingshadowsinbothlungfields.Interstitialpneumonia25Interstitialpneumoniastreak-likeandreticular,net-likeshadowsInterstitialpneumoniastreak-l26InterstitialpneumoniaHoneycombingpattern.tractionbronchiectasissub-pleuralcystsInterstitialpneumoniaHoneycom27Pulmonaryabscess--Focalareasofnecrosis
causedbyvarioussuppurativeinflammation,thendevelopslungabscessPathwaysAspiratedHaematogenousInfectiveClinicalmanifestations
Fever,shakingchill,foulsmellingsputum.Pulmonaryabscess28Acutestage
Exudativeandconsolidativeshadow.SubacutestageAbscesscavitywithfluidlevel;Thewallthickandirregular.ChronicstageThickandwell-definedwall;.
a
b
cPulmonaryabscessAcutestageabcPulmonaryabs29Pulmonaryabscess*air-fluidlevelPulmonaryabscess*air-fluidl30Pulmonarytuberculosis
(*)Causes:Mycobacteriumtuberculosisaffectspredominantlythelungs,lumphnodesandgut.ClassicSymptoms:Fever,nightsweetsandcoughSomefeaturesofthediseasevarywiththepatient’ssensitivitytotuberculin.Pulmonarytuberculosis(*)31PulmonarytuberculosisClassification(*)TypeIPrimarypulmonaryTBTypeIIHemo-disseminatedpulmonaryTBTypeIIIPost-primarypulmonaryTBTypeIVTuberculouspleuritisTypeVOtherPulmonarytuberculosis32PrimarypulmonaryTB(TypeI)---infectionwithM.tuberculosisinnonsensitivepatients(inchildren
andyoungpeople)thosewhohavenotpreviouslybeeninfected.Pathology(*)PrimaryfocusLymphangitisLymphadenitisPrimarypulmonaryTB(TypeI)33Primarycomplex(*)Definition---thecombinationoftheprimarypulmonarytuberculousfocus,lymphangitisandintrathoraciclymphadenitisX-rayFindings(*)Consolidation/exudationinthelung(pulmonarytuberculousfocus)
Ipsilateralenlargementofhilar/mediastinallymphnodes(lymphadenitis)
Streakyshadowsleadingfromtheexudationtothehilar(lymphangitis)
“Dumbbell-like”signPrimarycomplex(*)“Dumbbell-34A:
amanwithfever,hemoptysis,andweightloss,showsbilateralpatchyairspaceopacities,withareasofcavitationintheupperlobes(arrows).B:
9monthslatershowschangesofhealinginupperlobesconsistingoflinearopacities(straightarrow)andthin-walledcavities(curvedarrows).Primarytuberculosis
ABA:
amanwithfever,hemoptysi35
CTshowstheenlargementofhilar
withamountsofenlarged,necroticandlow-densitylymphnodesIntrathoraciclymphnodeTB
CTshowstheenlargementofh36Hemo-disseminatedpulmonaryTB
(TypeII)Twotypes:AcutemiliaryTB
SubacuteorchronicdisseminatedTB
X-rayFindings(*)
alotoffine,pin-pointmottlingopacities,withsamesize,
samedensityanddiffuseddistributionHemo-disseminatedpulmonaryTB37Hemo-disseminatedpulmonaryTB(TypeII)AcutemiliaryTB
showsdiffusesmallnodulesintherightlung,andcavitarydiseaseontheleftresultofhematogenousspreadHemo-disseminatedpulmonaryTB38Post-primarypulmonaryTB(TypeIII)mostcommontype,chieflyinadultsX-rayfindings
Caseouslesionencapsulatedbyconnectivetissue.Round,solitarynodules;Commonlyintheapicalregions;Associated“satellite”lesionPost-primarypulmonaryTBmost39Post-primarypulmonaryTB(TypeIII)cavityand“satellite”lesionPost-primarypulmonaryTBcavit40Chronicfibro-cavitarypulmonarytuberculosisChronicfibro-cavitary41TypeIPrimarypulmonaryTBTypeIIHemo-disseminatedpulmonaryTBTypeIIIPost-primarypulmonaryTBTypeIVTuberculouspleuritisTypeVOtherTypeIPrimarypulmonaryTB42DiagnosisofCommonDisease(II)
Tumorlikelesions:---Primarylungcancer:PrimaryBronchogeniccarcinoma)---Secondarylungcancer:Metastaticpulmonarytumors)DiagnosisofCommonDisease(I43PrimaryBronchogeniccarcinoma*Histology(*)Squamouscellcarcinoma(commonest)AdenocarcinomaSmallcellcarcinomaLargecellanaplasticcarcinomaPrimaryBronchogeniccarcinoma44Bronchogeniccarcinoma*Classificationbyposition(*)Centralbronchogeniccarcinoma
Peripheralbronchogeniccarcinoma
DiffusebronchogeniccarcinomaBronchogeniccarcinoma*45Centralbronchogeniccarcinoma---originatedfrommainbronchi,lobarbronchiorsegmentalbronchi
andlocatedintheareaofhilumX-rayFindings(*)Directsign:hilarmassIndirectsigns:
ObstructiveemphysemaObstructivepneumonitisObstructiveatelectasisenlargementofhilar/mediastinallymphnodesCentralbronchogeniccarcinoma46Chestradiographsofa46ywomanwithsymptomsofpneumoniashowamassintheleftupperlobe.
CTshowsa7.8-cmmassarisingfromtheleftupperlobebronchus(arrow)
CentraltumorChestradiographsofa46ywom47A:
PAchestradiographofa48ymanshowsanirregularmassintherightupperlobeabuttingthemediastinum.CTshowsthemassextendingintothemediastinum.Thecenterofthemassisoflowattenuation,secondarytotumornecrosis.
CTwithlungwindowingshowsthespiculatedmass
CentraltumorA:
PAchestradiographofa4848ReverseSSign(GlodenSsign)Rightupperlobebronchusisobstructedbyanendo-bronchialmass,causingcollapseoftherightupperlobe,theminorfissureiselevated.:ShapeofareverseS。ReverseSSign(GlodenSsig49
CentraltumorcollapseoftherightlungCentraltumorcollapseofthe50Peripheralbronchogeniccarcinoma---locatedintheperipherallungfieldX-rayFindings(*)Directsign:Massornodule-likelesionsHomogeneousdensityhazyorlobulated,notched,spiculatedmarginmasswitheccentricandirregularcavityIndirectsigns:enlargementofhilar/mediastinallymphnodes
Peripheralbronchogeniccarcin51
PAchestradiographofa72-ymanwitha53yearhistoryof
smokingshowsamassintherightupperlobe.
CTshowsaspiculatedmass.
Peripheralbronchogeniccarcinomaspiculatedmass
PAchestradiographofa72-y52CTscanshowsalobulated,spiculatednoduleintherightupperlobe(arrow).PeripheralbronchogeniccarcinomaLobulatedlesionCTscanshowsalobulated,spi53Metastaticpulmonarytumors(secondary)
Sources:Thebreast,colon,kidney,uterus,prostate,headandneck.Choriocarcinoma,osteosarcoma,Ewing’ssarcoma,testiculartumours,melanomaandthyroidcarcinoma.Metastaticpulmonarytumors(se54
X-rayfindings
multiplenodulespredominantlydistributedintheperipheryofthelungs.Usuallywell-definedoutlinesLymphangeitis--beadingchanges
MetastaticpulmonarytumorsMetastaticpulmonarytumors55numerousbilateralwell-definednodulesofvaryingsizesTesticularcarcinomanumerousbilateralwell-define56multiplewelldefinedandvarioussizenodulesinbothlungscomefromhepaticcarcinomamultiplewelldefinedandvari57brief
summaryDiseasesXrayfeaturesBronchiectasisSignetringsign,clusterofgrapesPneumoniaAirbronchogramsignPulmonaryabscessCavitywithfluidlevelPrimarycomplexTB“Dumbbell-like”signAcutemiliaryTBalotoffine,pin-pointmottlingopacities,withsamesizeandsamedensityCentralbronchogeniccarcinomacausingcollapseoftherightupperlobeReverseSSignMetastaticpulmonarytumorsnumerousbilateralwell-definednodulesofvaryingsizesbrief
summaryDiseasesXrayfea58Thanksforyourattention!http://www.radiologyassistant.nl/Thanksforyourattention!http59DiagnosticRadiologyofRespiratorySystemDiagnosticRadiologyof60LEARNINGOBJECTIVES
Masterdegree
(*):X-rayandCTappearanceofpneumonia,pulmonarytuberculosisandlungcancerLEARNINGOBJECTIVESMasterdeg61CommonimagingmethodsChestplainfilming√Computedtomography
(CT)√
Commonimagingmethods62CTPlainfilmDifferencebetweenX-rayplainfilmingandCTCTPlainfilmDifferencebetween63Posteroanteriorchest(P-A)ChestplainfilmimgRightLeftPosteroanteriorchest(P-A)C64NormalchestCTNormalchestCT65CommonabnormalimagingpatternsandlesionsAtelectasisConsolidationNoduleMassCalcificationCavityInterstitiallesionPleuraleffusionPneumothoraxPleuralthickeningandcalcificationCommonabnormalimagingpatter66DiagnosisofCommonDisease(I)
Inflammatorylesions:---Bronchiectasis---Pneumonia&abscess---TuberculosisDiagnosisofCommonDisease(I67BronchiectasisChronicirreversibledilatationofdiseasedbronchi.Causes
Post-infectious:bacteria,viruses,etc.Mechanicalobstruction:foreignbody,mucoidimpaction,tumour,inflammatorystenosis.CongenitalImmunodeficiencyGranulomasandfibrosisIdiopathicBronchiectasisChronicirrevers68BronchiectasisClinicalfeaturesProductionoflargevolumesofpurulentsputumRecurrenthaemoptysisFrequentinfectiveexacerbationBronchiectasis69
BronchiectasisTypesofbronchiectasis(*):(a)Cylindricalbronchiectasis(b)Varicosebronchiectasis(c)CysticbronchiectasisBronchiectasis70BronchiectasisX-rayfindingsPlainfilmIncreasingandthickeningoflungmarkings.CTCylindrical,varicose,orcysticappearance.BronchiectasisX-rayfindings71BronchiectasisCysticbronchiectasisCylindricaldilationdenseinfiltrationofthebothlungBronchiectasisCysticbronchiec72Bronchiectasisshowsdilatedbronchiandbronchioles,forminga“clusterofgrapes”
Signetringsignnormalarterybronchus“clusterofgrapes”
Bronchiectasisshowsdilatedbr73Pneumonia---infectiveconsolidationofthelungClassificationbyanatomy(*)
Lobarpneumonia
Lobularpneumonia
InterstitialpneumoniaPneumonia---infectiveconsolid74Lobarpneumonia
Causes
pneumococcus(usually)Clinicalmanifestation
Commonestinyoungandadults
suddenonsethighfever(>39℃)shakingchillcoughwithrustycolorsputum
Lobarpneumonia75
Lobarpneumonia
Dividedinto4
stages(*):Congestivestage(in24hafteronset)RedconsolidationstageGrayconsolidationstageResolutionstage(2weeks)X-rayfindings(*)
Thetypicalradiologicalpattern—Air-spaceconsolidationinvolvinganentirelobe
AirbronchogramsignLobar76homogeneousair-spaceconsolidationinvolvingtheentirerightlowerlobehomogeneousair-spaceconsolid77Lobarpneumonia
AirbronchogramsignLobarpneumoniaAirbronchogra78Causes
StaphylococcusaureusGram-negativeorganismssuchasPseudomonasaeruginosaLobularpneumonia
CausesLobularpneumonia79ClinicalmanifestationsHistoryofacutebronchitisCommonlyseeninchildrenandeldlypeople,
orthepatientswithpredisposingfactor.FeverProductivecough,Infected(yelloworgreen)sputum.CorsecrepitationsDullnesstopercussionBronchialbreathingLobularpneumonia
ClinicalmanifestationsLobular80PathologicalchangesLobularconsolidationEdemaandthickeningofwallsofthesmallerbronchioles.X-rayfindings(*)Ascatteredappearanceofheterogeneousorhomogeneousopacitiesincompleteresolution:fibrosisLobularpneumonia
PathologicalchangesLobularpn81Lobularpneumonia
ill-defined,scatteredappearance,heterogeneousshadowsLobularpneumoniaill-defined,82Lobularpneumonia
multifocalareasofconsolidationLobularpneumoniamultifocala83Interstitialpneumonia---Involvementoftheinterstitialtissueoflungs---Occursaroundthebronchialtree,bloodvessels,thealveolarsepta,andinterlobularsetpa.X-rayfindings(*)Linear,reticular,orhoneycombingshadowsinbothlungfields.Interstitialpneumonia84Interstitialpneumoniastreak-likeandreticular,net-likeshadowsInterstitialpneumoniastreak-l85InterstitialpneumoniaHoneycombingpattern.tractionbronchiectasissub-pleuralcystsInterstitialpneumoniaHoneycom86Pulmonaryabscess--Focalareasofnecrosis
causedbyvarioussuppurativeinflammation,thendevelopslungabscessPathwaysAspiratedHaematogenousInfectiveClinicalmanifestations
Fever,shakingchill,foulsmellingsputum.Pulmonaryabscess87Acutestage
Exudativeandconsolidativeshadow.SubacutestageAbscesscavitywithfluidlevel;Thewallthickandirregular.ChronicstageThickandwell-definedwall;.
a
b
cPulmonaryabscessAcutestageabcPulmonaryabs88Pulmonaryabscess*air-fluidlevelPulmonaryabscess*air-fluidl89Pulmonarytuberculosis
(*)Causes:Mycobacteriumtuberculosisaffectspredominantlythelungs,lumphnodesandgut.ClassicSymptoms:Fever,nightsweetsandcoughSomefeaturesofthediseasevarywiththepatient’ssensitivitytotuberculin.Pulmonarytuberculosis(*)90PulmonarytuberculosisClassification(*)TypeIPrimarypulmonaryTBTypeIIHemo-disseminatedpulmonaryTBTypeIIIPost-primarypulmonaryTBTypeIVTuberculouspleuritisTypeVOtherPulmonarytuberculosis91PrimarypulmonaryTB(TypeI)---infectionwithM.tuberculosisinnonsensitivepatients(inchildren
andyoungpeople)thosewhohavenotpreviouslybeeninfected.Pathology(*)PrimaryfocusLymphangitisLymphadenitisPrimarypulmonaryTB(TypeI)92Primarycomplex(*)Definition---thecombinationoftheprimarypulmonarytuberculousfocus,lymphangitisandintrathoraciclymphadenitisX-rayFindings(*)Consolidation/exudationinthelung(pulmonarytuberculousfocus)
Ipsilateralenlargementofhilar/mediastinallymphnodes(lymphadenitis)
Streakyshadowsleadingfromtheexudationtothehilar(lymphangitis)
“Dumbbell-like”signPrimarycomplex(*)“Dumbbell-93A:
amanwithfever,hemoptysis,andweightloss,showsbilateralpatchyairspaceopacities,withareasofcavitationintheupperlobes(arrows).B:
9monthslatershowschangesofhealinginupperlobesconsistingoflinearopacities(straightarrow)andthin-walledcavities(curvedarrows).Primarytuberculosis
ABA:
amanwithfever,hemoptysi94
CTshowstheenlargementofhilar
withamountsofenlarged,necroticandlow-densitylymphnodesIntrathoraciclymphnodeTB
CTshowstheenlargementofh95Hemo-disseminatedpulmonaryTB
(TypeII)Twotypes:AcutemiliaryTB
SubacuteorchronicdisseminatedTB
X-rayFindings(*)
alotoffine,pin-pointmottlingopacities,withsamesize,
samedensityanddiffuseddistributionHemo-disseminatedpulmonaryTB96Hemo-disseminatedpulmonaryTB(TypeII)AcutemiliaryTB
showsdiffusesmallnodulesintherightlung,andcavitarydiseaseontheleftresultofhematogenousspreadHemo-disseminatedpulmonaryTB97Post-primarypulmonaryTB(TypeIII)mostcommontype,chieflyinadultsX-rayfindings
Caseouslesionencapsulatedbyconnectivetissue.Round,solitarynodules;Commonlyintheapicalregions;Associated“satellite”lesionPost-primarypulmonaryTBmost98Post-primarypulmonaryTB(TypeIII)cavityand“satellite”lesionPost-primarypulmonaryTBcavit99Chronicfibro-cavitarypulmonarytuberculosisChronicfibro-cavitary100TypeIPrimarypulmonaryTBTypeIIHemo-disseminatedpulmonaryTBTypeIIIPost-primarypulmonaryTBTypeIVTuberculouspleuritisTypeVOtherTypeIPrimarypulmonaryTB101DiagnosisofCommonDisease(II)
Tumorlikelesions:---Primarylungcancer:PrimaryBronchogeniccarcinoma)---Secondarylungcancer:Metastaticpulmonarytumors)DiagnosisofCommonDisease(I102PrimaryBronchogeniccarcinoma*Histology(*)Squamouscellcarcinoma(commonest)AdenocarcinomaSmallcellcarcinomaLargecellanaplasticcarcinomaPrimaryBronchogeniccarcinoma103Bronchogeniccarcinoma*Classificationbyposition(*)Centralbronchogeniccarcinoma
Peripheralbronchogeniccarcinoma
DiffusebronchogeniccarcinomaBronchogeniccarcinoma*104Centralbronchogeniccarcinoma---originatedfrommainbronchi,lobarbronchiorsegmentalbronchi
andlocatedintheareaofhilumX-rayFindings(*)Directsign:hilarmassIndirectsigns:
ObstructiveemphysemaObstructivepneumonitisObstructiveatelectasisenlargementofhilar/mediastinallymphnodesCentralbronchogeniccarcinoma105Chestradiographsofa46ywomanwithsymptomsofpneumoniashowamassintheleftupperlobe.
CTshowsa7.8-cmmassarisingfromtheleftupperlobebronchus(arrow)
CentraltumorChestradiographsofa46ywom106A:
PAchestradiographofa48ymanshowsanirregularmassintherightupperlobeabuttingthemediastinum.CTshowsthemassextendingintothemediastinum.Thecenterofthemassisoflowattenuation,secondarytotumornecrosis.
CTwithlungwindowingshowsthespiculatedmass
CentraltumorA:
PAchestradiograph
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