2024
Identification of Glandular (Acinar)/Tubule Formation in Invasive Carcinoma of the Breast: A Study to Determine Concordance Using the World Health Organization Definition.
Lo Y, Lester S, Ellis I, Lanjewar S, Laurini J, Patel A, Bhattarai A, Ustun B, Harmon B, Kleer C, Ross D, Amin A, Wang Y, Bradley R, Turashvili G, Zeng J, Baum J, Singh K, Hakima L, Harigopal M, Komforti M, Shin S, Abbott S, Jaffer S, Badve S, Khoury T, D'Alfonso T, Ginter P, Collins V, Towne W, Gan Y, Nassar A, Sahin A, Flieder A, Aldrees R, Ngo M, Edema U, Sapna F, Schnitt S, Fineberg S. Identification of Glandular (Acinar)/Tubule Formation in Invasive Carcinoma of the Breast: A Study to Determine Concordance Using the World Health Organization Definition. Archives Of Pathology & Laboratory Medicine 2024, 148: 1119-1125. PMID: 38244086, DOI: 10.5858/arpa.2023-0163-oa.Peer-Reviewed Original ResearchInvasive breast cancerWorld Health Organization definitionNottingham grading systemOrganization definitionMedian concordance rateMicropapillary carcinomaMucinous carcinomaInvasive carcinomaBreast pathologistsBreast cancerConcordance rateGrading systemCarcinomaTubulesPathologistsBreastConcordanceProfessor EllisCancerCases
2023
Breast Carcinoma With Tubulopapillary Features Has a Distinct Immunophenotypic and Molecular Signature: A Report of Two Tumors and Literature Review
Carrasco-Tenezaca F, Moreira-Dinzey J, Manrai P, Bearse M, Burela S, Podany P, Singh K, Pareja F, Zheng J, Muscato N, Liang Y, Zhan H, Krishnamurti U, Dolezal D, Wang J, Harigopal M. Breast Carcinoma With Tubulopapillary Features Has a Distinct Immunophenotypic and Molecular Signature: A Report of Two Tumors and Literature Review. International Journal Of Surgical Pathology 2023, 32: 1037-1045. PMID: 37908113, DOI: 10.1177/10668969231209780.Peer-Reviewed Original ResearchBreast carcinomaTubulopapillary featuresHuman epidermal growth factor 2 (HER2) expressionBreast cancer histologic subtypesNonmetastatic breast carcinomaTriple-negative profileHigh-grade nuclear featuresTriple-negative carcinomasHigh-grade featuresMetastatic breast carcinomaGrowth factor 2 expressionFactor 2 expressionReports of tumorsMicropapillary projectionsNeoadjuvant therapyHistologic subtypeWorse prognosisFirst tumorPoor prognosisAdditional tumorsInvasive carcinomaEstrogen receptorCarcinomaPathogenic variantsTumorsSignificance of Myoepithelial Cell Layer in Breast Ductal Carcinoma in situ With Papillary Architecture With and Without Associated Invasive Carcinoma
Golestani R, Singh K, Karam P, Pinto M, Liang Y, Orsaria M, Harigopal M. Significance of Myoepithelial Cell Layer in Breast Ductal Carcinoma in situ With Papillary Architecture With and Without Associated Invasive Carcinoma. Clinical Breast Cancer 2023, 23: 91-100. DOI: 10.1016/j.clbc.2022.09.006.Peer-Reviewed Original ResearchSolid papillary carcinomaPapillary DCISInvasive carcinomaMyoepithelial cellsPapillary architecturePapillary carcinomaConventional invasive carcinomaFoci of DCISPapillary breast lesionsAssociated invasive carcinomaBreast ductal carcinomaME cellsMyoepithelial cell layerCell layerMedian followDistant metastasisHistologic evidenceDuctal carcinomaME cell layersPathology databasePapillary componentRetrospective searchResults MajorityCarcinomaDCIS
2018
Breast cancer histopathology is predictive of low‐risk Oncotype Dx recurrence score
Wilson PC, Chagpar AB, Cicek AF, Bossuyt V, Buza N, Mougalian S, Killelea BK, Patel N, Harigopal M. Breast cancer histopathology is predictive of low‐risk Oncotype Dx recurrence score. The Breast Journal 2018, 24: 976-980. PMID: 30230117, DOI: 10.1111/tbj.13117.Peer-Reviewed Original ResearchConceptsLymph node-negative patientsNode-negative patientsOncotype DX testingInvasive carcinomaLow-grade invasive carcinomasHistologic subtypeOncotype DXRecurrence scoreEstrogen receptorHigh riskAJCC Breast Cancer Staging SystemBreast cancer staging systemOncotype DX recurrence scoreFavorable histologic subtypeOncotype recurrence scoreSimple multivariable modelsCancer (AJCC) staging systemRisk of recurrenceDX recurrence scoreOnly significant predictorExcellent prognosisIntermediate riskDuctal carcinomaHistologic gradeHistologic predictors
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 tissue