36casesofasbestoslungHRCTandX-ray(DR)imagingcontrastAnalysis-discusstheadvantagesofHRCTinthediagnosisofasbestosisimage[Keywords:]asbestoslungHRCTDiagnosticImagingX-ray(DRAsbestosisispulmonaryfibrosisafterinhalationofasbestosdust.AsbestosisafibrousstructureofthesilicateinthepastbeforetheCTisnotusedinthediagnosisoflungdisease,thediagnosisofasbestosisdependsmainlyonyearsofasbestosexposurehistoryandX-rayfilm.areoftenX-rayfoundabnormalities,thelungdamageisrelativelysevere,themisdiagnosisrateof56%,andoftenmissthebesttimefortreatmentduetotheapplicationofCTinthelungdiseasediagnosis,especiallyInrecentyears,theuniqueadvantagesofHRCTinthelungsfinestructureresolution,sothatweallthemselves:whetherHRCTissuperiortothevalueoftheX-rayimagingdiagnosisofasbestosis?asbestoslungHRCTmorecoverage,butonlyinindividualcasesreported,whilethe64-rowHRCTimagingfindingsofasbestosisandX-raycontrasttotheimageanalysisof1largesamplereportedlessInthispaper,theissuetodiscussandsuperficialexplanation.Amethodandmaterials1.13-11yearsinalaborresearchdepartmenthasconfirmed36casestocomparethedescription.26malesand10females;18-25years,14cases,30to45yearsoldand13cases,ninecasesover50yearsofage.1.2X-rayfilm(DRlungsShimonotexturedisorderfromtimetotimethecableoftheshadowof11cases,thebottomoftheHRCTlungpleuraofftheassemblylineoftheshadowgridcable,with26casesofpleuralplaques.1.3pleurallimitationshummockythickeningin2cases,theHRCTpleuralsideofthechestwall,mound,thelimitationsofthediaphragmtoppleuralthickeningin18cases(individualcalcification.The1.4pleuraleffusion(thecostophrenicanglebluntingfivecasescasesHRCT7.21.5lungsstepdowninUenotexturedisorderandseestreaksnearthefilmwithtwohilarvisiblefinemeshandsmallneedle-likepointshadow.Mildemphysemaintheupperlungperformanceofground-glassdensityandlowerlungfields(lesionsintheactivestage).TheDR31cases,HRCT34cases.1.6lungsavarietyofinterstitiallungdiseasewithbronchiectasis.ThetheDR15cases,HRCT18cases.1.7Unilateralorbilaterallungvolumereduction,lungatthebottomofthestripandovalopacitiesofDR5cases,HRCT6case.1.8lunginterstitialgrid-likechanges,withpleuralcellular.ThetheDR1cases,HRCT7cases.1.9lungslimitationsofground-glassopacity.ThetheDR23cases,HRCT26case.1.10subpleuralline,thesubpleurallikeshadow,lungfieldtake-awaylanyardshadowDR11cases,HRCT29case.2ResultsHRCTcomparedwithDRwassignificantlyhigherpositiverateofupto98%ofpulmonaryfibrosisandpleuralplaques,theDRof48%detectionrateoftheDR60%Bronchiectasis,HRCT90%ofacuteexudativechangesDRandHRCTlittledifference3betweentheseverelungdamage(suchashoneycombing,thelimitationsofpulmonaryatelectasisHRCTisrelativelystraightforward,DRreflectinaccurate.Sharefreepaperdownloadcenterhttp://eng.hi138.comdiscuss64-sliceHRCTislessthan3mmthinlayerofcontinuousZ-axisvolumescanning,andimageformationinthebonealgorithmreconstructiononthebasisofintrapulmonarysepta,lobularnucleus,bronchialvascularbundleofinterstitiallungdisease,canbeclearhigh-resolutiondisplay.pathogenesisofasbestosisasfollows:Initially,theasbestosfibersintherespiratorybronchiolesalveolardepositionoftheinjuryresponse,andthenaccumulatedinthesubpleural,resultinginperipheraledemaofbronchiolesandalveolarhemorrhage.withmacrophagesphagocyticimmuneallergicreactioncausedbythemediators,repeatedsustainabledevelopmentultimatelyleadtodiffusepulmonaryfibrosisintheinterlobularseptaandthechangescausedfibrosisofthealveolarwalloflesionsandmoreoftenfromthelungsleavesstarttomoveupwards,thelastinvolvingtheupperlobeintheexpansionuntilthecause4ofthedensefibrosisofthelocalregionofthelungfielddistortionscausedbybronchialsubpleuralhoneycombingstimulatepleuraofasbestosfibersdepositedinthepleuralpuncturealveolarcausefilmfibrosis,theformationofpleuralplaquesandanumberoflimitationpleuralthickening.smallnumberofpatientscausedbypleuraleffusionreactionshowedapleuraleffusion.Inshort,thesepathologicalchangesinthelungsperformancealveolarexudationandinterstitialfibrosis,HRCT,alveolarandinterstitiallesionshastheincomparableadvantageoftheDR,soshouldbeoptimizedintheimagediagnosisofasbestosisonHRCTtomakeupDRdisplayedinsufficienttomakethediagnosisofasbestosisclosertothereal.References[1]CaizuLong,GaoYuanGui.ChestCTandMRIdiagnosisoflearning>>Beijing:People’sMedicalPublishingHouse,2005,364-370.[2]LiGuozhen<<ClinicalCTdiagnostics5>>Beijing:ChinaScienceandTechnologyPress,1994,353-355.[3]LiSong.“ModernbodyCTdiagnostics>>version.Beijing:ChinaMedicalScienceandTechnologyPress,2001,653-655.[4]whitehorse.<<MedicalDiagnosticImaging“secondedition.Beijing:People’sHealthPublishing,2004,306-307.[5]LiuCheng,LiuKai,benevolentonly,LiZhenping.TemporalbonediscriminativeCT.Beijing:People’sMedicalPublishingHouse,2009,3.ISBN978-7-5091-2525-0.2-4.Shareinfreepaperdownloadcenterhttp://eng.hi138.com6
