2022
Does Breast Cancer Subtype Impact Margin Status in Patients Undergoing Partial Mastectomy?
Horattas I, Fenton A, Gabra J, Mendiola A, Li F, Namm J, Solomon N, Gass J, Lum S, Murray M, Howard-McNatt M, Dupont E, Levine E, Brown E, Ollila D, Chiba A, Chagpar AB. Does Breast Cancer Subtype Impact Margin Status in Patients Undergoing Partial Mastectomy? The American Surgeon 2022, 88: 1607-1612. PMID: 34982015, DOI: 10.1177/00031348211069783.Peer-Reviewed Original ResearchConceptsCavity shave marginsMargin statusPartial mastectomyMolecular subtypesBreast cancer stage IOverall positive margin rateStandard partial mastectomyBreast-conserving therapyCancer stage IInvasive breast cancerImpact of subtypePositive margin rateBreast cancer subtypesLymphovascular invasionSurgical therapySystemic therapyRandomized trialsSurgical marginsShave marginsInvasive carcinomaMargin rateBreast cancerHispanic ethnicityStage IPatients
2019
Resection of Cavity Shave Margins in Stage 0–III Breast Cancer Patients Undergoing Breast Conserving Surgery
Dupont E, Tsangaris T, Garcia-Cantu C, Howard-McNatt M, Chiba A, Berger AC, Levine EA, Gass JS, Gallagher K, Lum SS, Martinez RD, Willis AI, Pandya SV, Brown EA, Fenton A, Mendiola A, Murray M, Solomon NL, Senthil M, Ollila DW, Edmonson D, Lazar M, Namm JP, Li F, Butler M, McGowan NE, Herrera ME, Avitan YP, Yoder B, Walters LL, McPartland T, Chagpar AB. Resection of Cavity Shave Margins in Stage 0–III Breast Cancer Patients Undergoing Breast Conserving Surgery. Annals Of Surgery 2019, 273: 876-881. PMID: 31290763, DOI: 10.1097/sla.0000000000003449.Peer-Reviewed Original ResearchConceptsCavity shave marginsBreast cancer patientsPartial mastectomyPositive marginsRe-excision ratesCancer patientsShave marginsStage 0Standard partial mastectomyMedian patient ageSingle-center studyBreast conserving surgeryPrimary outcome measurePositive margin rateConserving surgeryPatient ageClinicopathologic factorsMargin clearanceMargin rateInclusion criteriaOutcome measuresPatientsResectionPractice settingsMastectomy
2017
Economic Impact of Routine Cavity Margins Versus Standard Partial Mastectomy in Breast Cancer Patients
Chagpar AB, Horowitz NR, Killelea BK, Tsangaris T, Longley P, Grizzle S, Loftus M, Li F, Butler M, Stavris K, Yao X, Harigopal M, Bossuyt V, Lannin DR, Pusztai L, Davidoff AJ, Gross CP. Economic Impact of Routine Cavity Margins Versus Standard Partial Mastectomy in Breast Cancer Patients. Annals Of Surgery 2017, 265: 39-44. PMID: 27192352, PMCID: PMC5605915, DOI: 10.1097/sla.0000000000001799.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overBreast NeoplasmsCarcinoma, Ductal, BreastCarcinoma, Intraductal, NoninfiltratingCarcinoma, LobularConnecticutFemaleFollow-Up StudiesHealth ExpendituresHospital CostsHumansMargins of ExcisionMastectomy, SegmentalMiddle AgedProspective StudiesReoperationSingle-Blind MethodTreatment OutcomeConceptsCavity shave marginsStandard partial mastectomyPartial mastectomyRe-excision ratesIndex surgeryInitial surgeryBreast cancerHospital perspectiveLower re-excision ratesDirect hospital costsBreast cancer patientsOperating room timeReoperative surgeryBaseline characteristicsOperative timePositive marginsShave marginsCancer patientsHospital costsStage 0Room timeSurgeryPathology costsPatientsMastectomy
2015
A Randomized, Controlled Trial of Cavity Shave Margins in Breast Cancer
Chagpar AB, Killelea BK, Tsangaris TN, Butler M, Stavris K, Li F, Yao X, Bossuyt V, Harigopal M, Lannin DR, Pusztai L, Horowitz NR. A Randomized, Controlled Trial of Cavity Shave Margins in Breast Cancer. New England Journal Of Medicine 2015, 373: 503-510. PMID: 26028131, PMCID: PMC5584380, DOI: 10.1056/nejmoa1504473.Peer-Reviewed Original ResearchConceptsCavity shave marginsPositive marginsPartial mastectomyShave marginsDuctal carcinomaBreast cancerInvasive cancerOutcome measuresStandard partial mastectomySecondary outcome measuresPrimary outcome measureLower ratesRoutine resectionMedian ageClinicopathological characteristicsCavity shavingMargin clearanceSecond surgeryInvasive carcinomaStage 0MastectomyPathological testingPatientsFurther diseaseVolume of tissueCan routine cavity shave margins (CSM) improve local control in breast cancer? Initial results of the SHAVE trial, a prospective randomized controlled trial of routine CSM vs. standard partial mastectomy (SPM).
Chagpar A, Killelea B, Tsangaris T, Butler M, Stavris K, Yao X, Li F, Bossuyt V, Pusztai L, Horowitz N. Can routine cavity shave margins (CSM) improve local control in breast cancer? Initial results of the SHAVE trial, a prospective randomized controlled trial of routine CSM vs. standard partial mastectomy (SPM). Journal Of Clinical Oncology 2015, 33: 1012-1012. DOI: 10.1200/jco.2015.33.15_suppl.1012.Peer-Reviewed Original Research