2022
AMACR Expression is a Potential Diagnostic Marker in Apocrine Lesions of Breast, and is Associated with High Histologic Grade and Lymph Node Metastases in Some Invasive Apocrine Breast Cancers
Lerner G, Tang H, Singh K, Golestani R, St Claire S, Humphrey P, Lannin D, Janostiak R, Harigopal M. AMACR Expression is a Potential Diagnostic Marker in Apocrine Lesions of Breast, and is Associated with High Histologic Grade and Lymph Node Metastases in Some Invasive Apocrine Breast Cancers. Clinical Breast Cancer 2022, 23: 199-210. PMID: 36577560, DOI: 10.1016/j.clbc.2022.11.012.Peer-Reviewed Original ResearchConceptsInvasive ductal carcinomaTriple-negative breast cancerHigh histologic gradeApocrine differentiationAMACR expressionEstrogen receptorApocrine DCISER-/PRHistologic gradeProgesterone receptorApocrine featuresBreast cancerHuman epidermal growth factor 2 (HER2) statusLack of ERDistant metastasis-free survivalDiagnostic markerInitial N stageLack estrogen receptorApocrine breast cancerLymph node metastasisNegative breast cancerAndrogen receptor mRNACoA racemase expressionBenign breast tissueBreast cancer cohortIncreased Expression of LEF1 and β-Catenin in Invasive Micropapillary Carcinoma of the Breast is Associated With Lymphovascular Invasion and Lymph Node Metastasis
Dolezal D, Zhang X, Harigopal M. Increased Expression of LEF1 and β-Catenin in Invasive Micropapillary Carcinoma of the Breast is Associated With Lymphovascular Invasion and Lymph Node Metastasis. Applied Immunohistochemistry & Molecular Morphology 2022, 30: 557-565. PMID: 35960138, DOI: 10.1097/pai.0000000000001052.Peer-Reviewed Original ResearchMeSH KeywordsBeta CateninBreast NeoplasmsCarcinoma, Ductal, BreastCarcinoma, PapillaryFemaleHumansLymphatic MetastasisLymphoid Enhancer-Binding Factor 1ConceptsInvasive micropapillary breast carcinomaLymph node metastasisLymphoid enhancer-binding factor 1Lymphovascular invasionNode metastasisNodal metastasisPrimary tumorΒ-cateninBreast tumorsRare breast cancer subtypeSmall tumor cell clustersLEF1 expressionMicropapillary breast carcinomaAggressive breast tumorsBasal-like carcinomasInvasive micropapillary carcinomaΒ-catenin expression levelsBreast cancer subtypesΒ-catenin expressionTumor cell clustersEnhancer-binding factor 1Disease relapseMicropapillary carcinomaBreast carcinomaHigh incidence
2020
Epithelium Involving Bilateral Axillary Lymph Nodes: Metastasis, Misplaced, or Mullerian!
Singh K, Sardana R, Quddus MR, Harigopal M. Epithelium Involving Bilateral Axillary Lymph Nodes: Metastasis, Misplaced, or Mullerian! International Journal Of Surgical Pathology 2020, 29: 284-288. PMID: 32924678, DOI: 10.1177/1066896920958121.Peer-Reviewed Original ResearchConceptsSentinel lymph nodesBilateral axillary lymph nodesAxillary sentinel lymph nodesAxillary lymph nodesFrozen section examinationLymph nodesDifferential diagnosisEpithelial depositsSection examinationBreast cancer stagingNodal depositsCancer stagingHistological evaluationEpithelial restsEndosalpingiosisFirst caseDiagnosisEpitheliumExaminationMetastasisStagingMullerian
2019
Interobserver variability in breast carcinoma grading results in prognostic stage differences
Rabe K, Snir OL, Bossuyt V, Harigopal M, Celli R, Reisenbichler ES. Interobserver variability in breast carcinoma grading results in prognostic stage differences. Human Pathology 2019, 94: 51-57. PMID: 31655171, DOI: 10.1016/j.humpath.2019.09.006.Peer-Reviewed Original ResearchConceptsPathologic prognostic stagePrognostic stageStage II carcinomaInterobserver variabilityIntra-observer variabilityGood intra-observer variabilityStage IABreast pathologistsConsecutive casesTumor gradeBreast carcinomaTumor gradingDiscordant gradesAJCC cancerDiscordant casesCarcinoma gradeInterobserver agreementGrading criteriaPathologistsCarcinomaComplete concordanceGradeOverall gradeGrading results
2012
Endoscopic ultrasound‐guided fine‐needle aspiration diagnosis of merkel cell carcinoma metastatic to the pancreas
Bernstein J, Adeniran AJ, Cai G, Theoharis CG, Ustun B, Beckman D, Aslanian HR, Harigopal M. Endoscopic ultrasound‐guided fine‐needle aspiration diagnosis of merkel cell carcinoma metastatic to the pancreas. Diagnostic Cytopathology 2012, 42: 247-252. PMID: 22730170, DOI: 10.1002/dc.22884.Peer-Reviewed Case Reports and Technical Notes
2007
Quantitative Justification of the Change From 10% to 30% for Human Epidermal Growth Factor Receptor 2 Scoring in the American Society of Clinical Oncology/College of American Pathologists Guidelines: Tumor Heterogeneity in Breast Cancer and Its Implications for Tissue Microarray–Based Assessment of Outcome
Moeder CB, Giltnane JM, Harigopal M, Molinaro A, Robinson A, Gelmon K, Huntsman D, Camp RL, Rimm DL. Quantitative Justification of the Change From 10% to 30% for Human Epidermal Growth Factor Receptor 2 Scoring in the American Society of Clinical Oncology/College of American Pathologists Guidelines: Tumor Heterogeneity in Breast Cancer and Its Implications for Tissue Microarray–Based Assessment of Outcome. Journal Of Clinical Oncology 2007, 25: 5418-5425. PMID: 18048824, DOI: 10.1200/jco.2007.12.8033.Peer-Reviewed Original Research
2005
Automated Quantitative Analysis of E-Cadherin Expression in Lymph Node Metastases Is Predictive of Survival in Invasive Ductal Breast Cancer
Harigopal M, Berger AJ, Camp RL, Rimm DL, Kluger HM. Automated Quantitative Analysis of E-Cadherin Expression in Lymph Node Metastases Is Predictive of Survival in Invasive Ductal Breast Cancer. Clinical Cancer Research 2005, 11: 4083-4089. PMID: 15930343, DOI: 10.1158/1078-0432.ccr-04-2191.Peer-Reviewed Original ResearchConceptsE-cadherin expressionLymph node metastasisNodal metastasisBreast cancerImproved survivalNode metastasisTissue microarrayNode-positive breast cancerInvasive ductal breast cancerHER2/neu statusAnti-invasive roleInvasive ductal tumorsNode-positive patientsDuctal breast cancerSubset of patientsGood prognostic markerAggressive tumor behaviorStrong E-cadherin expressionHigh E-cadherin expressionCy5-conjugated antibodiesDuctal tumorsMetastatic sitesPrognostic valueTumor sizePrimary tumorβ1,6-Branched Oligosaccharides Are Increased in Lymph Node Metastases and Predict Poor Outcome in Breast Carcinoma
Handerson T, Camp R, Harigopal M, Rimm D, Pawelek J. β1,6-Branched Oligosaccharides Are Increased in Lymph Node Metastases and Predict Poor Outcome in Breast Carcinoma. Clinical Cancer Research 2005, 11: 2969-2973. PMID: 15837749, DOI: 10.1158/1078-0432.ccr-04-2211.Peer-Reviewed Original ResearchConceptsLymph node metastasisPrimary tumorNode metastasisPoor outcomeBreast carcinomaNode-positive primary tumorsPatient-matched primary tumorsNode-negative tumorsBreast carcinoma metastasisPatient ageNodal metastasisTumor sizeRisk factorsNuclear gradeCarcinoma metastasisTissue microarrayBlinded observersMyeloid cellsMetastasisMultivariate analysisTumor progressionTumorsSystemic migrationCancer cellsLectin histochemistry
2004
Prognostic Significance of p16 Protein Levels in Oropharyngeal Squamous Cell Cancer
Weinberger PM, Yu Z, Haffty BG, Kowalski D, Harigopal M, Sasaki C, Rimm DL, Psyrri A. Prognostic Significance of p16 Protein Levels in Oropharyngeal Squamous Cell Cancer. Clinical Cancer Research 2004, 10: 5684-5691. PMID: 15355894, DOI: 10.1158/1078-0432.ccr-04-0448.Peer-Reviewed Original ResearchConceptsSquamous cell cancerOropharyngeal squamous cell carcinomaOropharyngeal squamous cell cancerDisease-free survivalLocal recurrence rateSquamous cell carcinomaCell cancerOverall survivalRecurrence rateCell carcinomaP16 overexpressionNeck squamous cell cancerLow local recurrence rateAdvanced Tumor-NodeMean patient followIndependent prognostic factorHigh histologic gradeP16 expression statusOverexpression of p16Local recurrencePrognostic factorsPrognostic importanceP16 protein expressionPrognostic significanceHistologic grade
2002
Pathological examination of sentinel lymph node in breast cancer: Potential problems and possible solutions
Hoda SA, Chiu A, Resetkova E, Harigopal M, Hoda RS, Osborne MP. Pathological examination of sentinel lymph node in breast cancer: Potential problems and possible solutions. Microscopy Research And Technique 2002, 59: 85-91. PMID: 12373718, DOI: 10.1002/jemt.10179.Peer-Reviewed Original ResearchMeSH KeywordsBreast NeoplasmsFemaleHumansLymph Node ExcisionLymph NodesLymphatic MetastasisNeoplasm StagingSentinel Lymph Node Biopsy