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AJCCStagingMomentsAJCCTNMStaging7thEditionBreastCase#2Contributors:StephenB.Edge,MDRoswellParkCancerInstitute,Buffalo,NewYorkDavidR.Byrd,MDUniversityofWashingtonMedicalCenter,Seattle,WashingtonDavidJ.Winchester,MDNorthShoreUniversityEvanstonHospital,Evanston,IllinoisDavidP.Winchester,MDNorthShoreUniversityEvanstonHospital,Evanston,Illinois第1页BreastCase#2
PresentationofNewCaseNewlydiagnosedbreastcancerpatientPresentationatCancerConferencefortreatmentrecommendationsandclinicalstaging第2页BreastCase#2
History&Physical62yroldwomannoticedanon-tendermassintheupperouterquadrant(UOQ)oftheleftbreastFamilyhx-breastcainmaternalauntatage70Physicalexaminationrevealsafirm,mobile,4cmmassintheUOQwithnooverlyingskinchangesandnopalpableadenopathy第3页BreastCase#2
ImagingResultsMammogram-3.9cmdensityUOQ
leftbreast,rightbreastnegativeUltrasoundbreast-3.8cm
hypoechoicareaUOQleft
breast,leftaxillarynodes
negative,rightbreast
negativeUsedwithpermission第4页BreastCase#2
DiagnosticProcedureProcedureUltrasound-guidedcoreneedlebiopsyUOQleftbreastPathologyReportInfiltratingductcarcinomaBloom-Scarff-Richardson(BSR)Grade3EstrogenreceptorpositiveProgesteronereceptorpositiveHER2negativebyIHC第5页BreastCase#2
ClinicalStagingClinicalstagingUsesinformationfromthephysicalexam,imaging,anddiagnosticbiopsyPurposeSelectappropriatetreatmentEstimateprognosis第6页BreastCase#2
ClinicalStagingSynopsis-patientwith3.9cmmass,infiltratingductca,axillaisnegativeonexamandimagingWhatistheclinicalstage?T____N____M____StageGroup______第7页BreastCase#2
ClinicalStagingClinicalStagecorrectanswerT2N0M0StageGroupIIABasedonstage,treatmentisselectedReviewNCCNtreatmentguidelinesforthisstage第8页BreastCase#2
ClinicalStagingRationaleforstagingchoicesT2for3.9cmprimarytumorN0becausenodeswereclinicallynegativeonphysicalexamandimagingM0becausetherewasnothingtosuggestdistantmetastases;iftherewas,appropriatetestswouldbeperformedbeforedevelopingatreatmentplan第9页PrognosticFactors
ClinicallySignificantApplicabletothiscasePaget’sdisease:noBSR:Grade3Estrogenreceptor:positiveProgesteronereceptor:positiveHER2status:negativeMethodofnodeassessment:radiographic,physicalexaminationTherearenoprognosticfactorsrequiredforstaging第10页第11页BreastCase#2
Surgery&FindingsPatientdeclinedoptionofneoadjuvantsystemictherapyProcedureLumpectomyUOQleftbreast,sentinellymphnode(SLN)biopsyOperativefindingsSentinelnodeswerereportedasnegativeonfrozensection,additionalstainswillbeperformed第12页BreastCase#2
PathologyResultsInfiltratingductcarcinomaSizeofinvasivecancer:4.1cmwithdermalinvasionBSRGradeIIIMarginsofresectionnegative–closestmargininferiorat4mmSentinelnodesNegativebyH&ESentinelNode1–cytokeratinimmunohistochemistryshowsclusterofisolatedtumorcells(ITCs),<0.1mminsize第13页BreastCase#2
PathologicStagingPathologicstagingUsesinformationfromtheclinicalstagingsupplementedormodifiedbyinformationfromsurgeryandthepathologyreportPurposeAdditionalprecisedataforestimatingprognosisCalculatingendresults(survivaldata)第14页BreastCase#2
PathologicStagingSynopsis-patientwith4.1cminfiltratingductca,1sentinelnodewithITCsdetectedonlyonIHCWhatisthepathologicstage?
(remember,clinicalMmaybeusedinpathologicstaging)T____N____M____StageGroup______第15页BreastCase#2
PathologicStagingPathologicStagecorrectanswerpT2pN0(i+)cM0StageGroupIIABasedonpathologicstage,thereismoreinformationtoestimateprognosisandadjuvanttreatmentisselected
第16页BreastCase#2
PathologicStagingRationaleforstagingchoicespT2Skininvasionisdefinedasfullthicknessinvolvementincludingepidermis.FocaldermalinvolvementisnotconsideredT4.pN0(i+)sentinelnodeshadITCsfoundonIHConly,H&Estainsnegative.ITCsusuallyhavenohistologicevidenceofmalignantactivity.cM0-useclinicalMwithpathologicstagingunlessthereispathologicconfirmationofdistantmetastases第17页PrognosticFactors
ClinicallySignificantApplicabletothiscasePaget’sdisease:noBSR:Grade3Estrogenreceptor:positiveProgesteronereceptor:positiveHER2status:negativebyIHCMethodofnodeassessment:sentinelnodebiopsyIHCofnodes:positiveTherearenoprognosticfactorsrequiredforstaging第18页AJCCCancerStagingAtlas
pN0(i+)isdefinedasPositiveITCsfoundon
H&EorIHC,noITCs>0.2mmNonconfluent,ornearlyconfluentclustersofcellsnotexceeding200cellsinasinglehistologiclymphnodecrosssection第19页BreastCase#2
RecapofStagingSummaryofcorrectanswersClinicalstageT2N0M0StageGroupIIAPathologicstageT2N0(i+)cM0StageGroupIIAThestagingclassificationshaveadifferentpurposeandthereforecanbedifferent.Donotgobackandchangetheclinicalstagingbasedonpathologicstaginginformation.第20页StagingM
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