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ID:36317775
大小:1.56 MB
页数:51页
时间:2019-05-09
《volumetric automatic breast density assessment in an …:容量自动乳腺密度评估一…》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、AutomaticVolumetricBreastDensityAssessmentintheeXtensibleImagingPlatformRachelEmbreeandChristinaSilleryDavidChannin,MD,AdvisorInCooperationwithAlexShnayder,PatMongkolwat,RayWuOverviewIntroductionMaterialandMethodsResultsDiscussionConclusionIntroductionWhatisBre
2、astDensity?Thebreastiscomposedoffibroglandulartissueembeddedinabackgroundoffattytissue.Theamountoffibroglandulartissueandfatvariesamongwomen.Breastcancerarisesinthisfibroglandulartissue.Mammographyisprojectionradiographyofthebreast.Inmammograms,densefibroglandu
3、lartissueattenuatesmoreradiationthandoesfat.Breastdensityreferstotheappearanceofthisfibroglandulartissueinamammogram[5]BreastDensityPositivelycorrelatedwithbreastcancerFourtosixtimesgreaterriskofbreastcancerforwomenwithgreaterthan60%densetissue[1]Breastdensitya
4、sariskfactoraccountsforasmanyas30%ofbreastcancercases[1]Canbechangedbyhormonal,dietaryandotherinterventionsAssessmentofBreastDensityinMammogramsSubjectiveVisualAssessmentbyRadiologists(Mandatory)Scorethebreastona4-pointscaleintheBreastImaging-ReportingandDataSy
5、stem(BIRADS),basedonpatternsdevelopedbyWolfe[5]ManualImageProcessingTechniques(forresearch)PlanimetryInteractiveThresholdingPreviousApproachesInteractiveThresholdingGoalCreateabreastdensityassessmentprogramthatis…AutomatedVolumetricAccurateIntheeXtensibleImagin
6、gPlatform(XIP)MaterialandMethodsWhatisXIP?eXtensibleImagingPlatformFundedbyNIH,NCICancerBioinformaticsGrid(caBIG)ProgramAprogramtosharedata,informaticstools,technologiesandinfrastructurebetweenthefundedComprehensiveCancerCentersacrossthenationOpenSource,OpenSta
7、ndards,OpenArchitecturePlatformfordevelopmentofmedicalimageprocessingandanalysisapplicationsforresearchandclinicalpurposes.WillsupporttheDICOMApplicationHostingstandardtofacilitatetransportabilityofXIPapplicationsXIPBuilderVisualProgrammingEnvironmentfordevelop
8、ingimagingapplications;basedonOpenInventor.Containsmodules(lots!)thatcanbeassembledtoperformsophisticatedtasks.IncludesvTK–TheVisualizationToolkit(NIH)iTK–TheInsightToolkitf
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