2024
Targetable ERBB2/HER2 Mutations in Gynecologic Malignancies: Clinicopathological, Immunohistochemical, and Molecular Correlations.
Manrai P, McHenry A, Sun T, Santin A, Ratner E, Lin D, Elvin J, Hui P, Buza N. Targetable ERBB2/HER2 Mutations in Gynecologic Malignancies: Clinicopathological, Immunohistochemical, and Molecular Correlations. International Journal Of Gynecological Pathology 2024 PMID: 38914011, DOI: 10.1097/pgp.0000000000001050.Peer-Reviewed Original ResearchEndometrial carcinomaGynecologic malignanciesTyrosine kinase domainHER2-mutated non-small cell lung cancerTargeted anti-HER2 therapyNon-small cell lung cancerHigh-grade endometrioid adenocarcinomasFam-trastuzumab deruxtecanOvarian mucinous adenocarcinomaAnti-HER2 therapyAnti-HER2 drugsHER2 3+US Food and Drug AdministrationCell lung cancerEndometrial serous carcinomaSolid tumor typesStandard treatment recommendationsFood and Drug AdministrationFluorescence in situ hybridizationGynecological cancer typesEndometrial primaryMullerian originSerous carcinomaHER2 IHCEndometrioid adenocarcinoma
2022
Characteristics of HER2 Gene Amplification by Fluorescence In Situ Hybridization in Endometrial Serous Carcinoma.
Buza N, Hui P. Characteristics of HER2 Gene Amplification by Fluorescence In Situ Hybridization in Endometrial Serous Carcinoma. Archives Of Pathology & Laboratory Medicine 2022, 146: 0. PMID: 35687792, DOI: 10.5858/arpa.2021-0547-oa.Peer-Reviewed Original ResearchConceptsEndometrial serous carcinomaClinical trial criteriaHER2 gene amplificationTrial criteriaHER2 immunohistochemistrySerous carcinomaAnti-human epidermal growth factor receptor 2 (HER2) therapyClinical Oncology/CollegeHER2 testing algorithmHER2 FISHProspective clinical investigationHER2 IHC 2HER2/CEP17Gene amplificationContext of breastTherapeutic responseIHC 2HER2 amplificationAverage HER2Most tumorsClinical investigationImmunohistochemistryHER2 fluorescenceTumorsMonosomy 17
2021
Minimal uterine serous carcinoma and endometrial polyp: a close clinicopathological relationship
Assem H, Rottmann D, Finkelstein A, Wang M, Ratner E, Santin AD, Buza N, Hui P. Minimal uterine serous carcinoma and endometrial polyp: a close clinicopathological relationship. Human Pathology 2021, 118: 1-8. PMID: 34508766, DOI: 10.1016/j.humpath.2021.09.001.Peer-Reviewed Original ResearchConceptsMinimal uterine serous carcinomaEndometrial polypsUterine serous carcinomaSerous carcinomaHigh stage patientsLow stage patientsPelvic washing cytologyAdvanced stage diseaseEndometrial serous carcinomaHigher stage diseaseLower tumor stageClinical outcome assessmentClose topographic relationshipBackground endometriumExtrauterine diseaseExtrauterine spreadStage diseaseExcellent prognosisLymphovascular invasionClinicopathological relationshipWashing cytologyTumor stageHigh riskPatientsLarge series
2020
Does Specimen Type Have an Impact on HER2 Status in Endometrial Serous Carcinoma? Discordant HER2 Status of Paired Endometrial Biopsy and Hysterectomy Specimens in the Presence of Frequent Intratumoral Heterogeneity
Rottmann D, Assem H, Matsumoto N, Wong S, Hui P, Buza N. Does Specimen Type Have an Impact on HER2 Status in Endometrial Serous Carcinoma? Discordant HER2 Status of Paired Endometrial Biopsy and Hysterectomy Specimens in the Presence of Frequent Intratumoral Heterogeneity. International Journal Of Gynecological Pathology 2020, 40: 263-271. PMID: 32897955, DOI: 10.1097/pgp.0000000000000690.Peer-Reviewed Original ResearchConceptsEndometrial serous carcinomaDiscordant HER2 statusHER2 immunohistochemical scoresHER2 protein expressionSerous carcinomaHER2 statusEndometrial biopsies/curettingsImmunohistochemical scoreProtein expressionHER2 testingIntratumoral heterogeneityEndometrial biopsy/curettageProlonged progression-free survivalHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2HER2 testing algorithmProgression-free survivalGrowth factor receptor 2HER2-negative tumorsFinal study cohortHER2-positive tumorsRecent clinical trialsSpecimen typesFactor receptor 2Optimal specimen types
2019
HER2 testing of gynecologic carcinosarcomas: tumor stratification for potential targeted therapy
Rottmann D, Snir OL, Wu X, Wong S, Hui P, Santin AD, Buza N. HER2 testing of gynecologic carcinosarcomas: tumor stratification for potential targeted therapy. Modern Pathology 2019, 33: 118-127. PMID: 31477811, DOI: 10.1038/s41379-019-0358-x.Peer-Reviewed Original ResearchConceptsEndometrial serous carcinomaHER2-positive tumorsSerous carcinomaSarcoma componentHER2 statusGynecologic carcinosarcomaHER2 expression/amplificationRecent phase II clinical trialPhase II clinical trialCarboplatin-paclitaxel chemotherapyEquivocal HER2 expressionProgression-free survivalAppropriate patient selectionExpression/amplificationFemale genital tractMembranous staining patternHER2 protein expressionHER2 immunohistochemical scoresUterine primaryDismal prognosisPatient selectionCarcinoma componentMixed carcinomasHER2 expressionClinical trials
2018
MicroRNA signatures discriminate between uterine and ovarian serous carcinomas
Hui P, Gysler SM, Uduman M, Togun TA, Prado DE, Brambs CE, Nallur S, Schwartz PE, Rutherford TJ, Santin AD, Weidhaas JB, Ratner ES. MicroRNA signatures discriminate between uterine and ovarian serous carcinomas. Human Pathology 2018, 76: 133-140. PMID: 29518404, DOI: 10.1016/j.humpath.2018.02.019.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overBiomarkers, TumorCarcinomaDiagnosis, DifferentialFemaleGene Expression ProfilingGenetic Predisposition to DiseaseHumansMicroRNAsMiddle AgedNeoplasm GradingNeoplasms, Cystic, Mucinous, and SerousOligonucleotide Array Sequence AnalysisOvarian NeoplasmsPhenotypePredictive Value of TestsReproducibility of ResultsRetrospective StudiesTranscriptomeUterine NeoplasmsConceptsHigh-grade serous carcinomaOvarian serous carcinomaSerous carcinomaOvarian malignancyPrimary ovarian high-grade serous carcinomaOvarian high-grade serous carcinomaMiRNA signatureEndometrial serous carcinomaHigh-grade ovarian serous carcinomaUterine serous carcinomaEndometrial counterpartOvarian primaryTaqMan Low Density Array technologySynchronous primariesEndometrial cancerMetastatic tumorsCarcinomaPrimary siteSignature panelPathological determinationMicroRNA signatureSignificant discriminatory powerCancer cellsMalignancyLineage characteristics
2013
Marked heterogeneity of HER2/NEU gene amplification in endometrial serous carcinoma
Buza N, Hui P. Marked heterogeneity of HER2/NEU gene amplification in endometrial serous carcinoma. Genes Chromosomes And Cancer 2013, 52: 1178-1186. PMID: 24123408, DOI: 10.1002/gcc.22113.Peer-Reviewed Original ResearchConceptsEndometrial serous carcinomaHER2/neu gene amplificationNeu gene amplificationSerous carcinomaHER2 protein expressionGene amplificationHeterogeneous tumorsProtein expressionHER2 testing guidelinesHER2 protein overexpressionTumor tissue areaTumor tissue sectionsHER2 statusDifferent tumor samplesHER2 overexpressionHER2 amplificationBreast cancerImmunohistochemical scoreAggressive subclonesCarcinomaClinical testingImmunostaining patternTumor samplesTumor cellsTesting guidelinesToward standard HER2 testing of endometrial serous carcinoma: 4-year experience at a large academic center and recommendations for clinical practice
Buza N, English DP, Santin AD, Hui P. Toward standard HER2 testing of endometrial serous carcinoma: 4-year experience at a large academic center and recommendations for clinical practice. Modern Pathology 2013, 26: 1605-1612. PMID: 23765245, DOI: 10.1038/modpathol.2013.113.Peer-Reviewed Original ResearchConceptsEndometrial serous carcinomaSerous carcinomaHER2 overexpressionEndometrial carcinomaMedical recordsImmunohistochemical scoreHER2 testingProtein expressionHER2 immunohistochemistrySignificant heterogeneityScoring systemMultiple tumor sectionsPure serous carcinomaHER2-positive casesHER2-positive tumorsScoring criteriaEndometrial carcinoma casesFDA criteriaPatients' medical recordsLarge academic centerHER2 FISH resultsHER2 protein overexpressionPromising therapeutic targetOverall concordance rateHER2 immunohistochemical scores
2010
Minimal Uterine Serous Carcinoma With Extrauterine Tumor of Identical Morphology: An Immunohistochemical Study of 13 Cases
Yan Z, Hui P. Minimal Uterine Serous Carcinoma With Extrauterine Tumor of Identical Morphology: An Immunohistochemical Study of 13 Cases. Applied Immunohistochemistry & Molecular Morphology 2010, 18: 75-79. PMID: 19956063, DOI: 10.1097/pai.0b013e3181b1d10e.Peer-Reviewed Original ResearchConceptsMinimal uterine serous carcinomaUterine serous carcinomaInvasive serous carcinomasSerous carcinomaExtrauterine tumorsExtrauterine involvementEndometrial serous carcinomaSimilar histologic featuresOvarian serous carcinomaProtein markersEndometrial primarySynchronous tumorsMetastatic lesionsHistologic featuresExtrauterine lesionsEndometrial tumorsImmunohistochemical studyProgestin receptorsHistologic examinationEstrogen receptorImmunohistochemical stainingKi-67CarcinomaMorphologic assessmentTumors