2024
Utility of next generation sequencing to unequivocally establish clonality in synchronous vs metastatic endometrial and ovarian carcinomas
Greenman M, Bellone S, Hartwich T, Buza N, Santin A. Utility of next generation sequencing to unequivocally establish clonality in synchronous vs metastatic endometrial and ovarian carcinomas. Gynecologic Oncology Reports 2024, 56: 101524. PMID: 39435258, PMCID: PMC11492078, DOI: 10.1016/j.gore.2024.101524.Peer-Reviewed Original ResearchOvarian carcinomaNext generation sequencingPrimary uterine tumorsDiagnostically challenging casesOvarian tumorsPrimary tumorUterine tumorsEndometrial malignancyMetastatic tumorsAdjuvant treatmentClonal relationshipTargeted therapyUtilization of next generation sequencingTumor clonalityGeneration sequencingProtein expression profilesTumorChallenging casesImprove outcomesCarcinomaGold standardGenetic landscapeMalignancyClonalityExpression profiles
2023
Extrauterine epithelioid trophoblastic tumour and its somatic carcinoma mimics: short tandem repeat genotyping meets the diagnostic challenges
Niu N, Ordulu Z, Burak Z, Buza N, Hui P. Extrauterine epithelioid trophoblastic tumour and its somatic carcinoma mimics: short tandem repeat genotyping meets the diagnostic challenges. Histopathology 2023, 84: 325-335. PMID: 37743102, DOI: 10.1111/his.15054.Peer-Reviewed Original ResearchConceptsEpithelioid trophoblastic tumorGestational trophoblastic tumorsTrophoblastic tumorExtrauterine sitesSomatic carcinomasDifferential diagnosisDiagnosis of ETTExtrauterine epithelioid trophoblastic tumorsTriple-negative breast carcinomaTrophoblastic differentiationMetastatic triple-negative breast carcinomaPrimary lung carcinomaMain differential diagnosisMajor differential diagnosisEctopic gestationImmunohistochemical featuresDiagnostic challengeMetastatic tumorsLung carcinomaBreast carcinomaPatient managementEpithelioid malignanciesImmunohistochemical levelCarcinomaTumor tissue
2021
Reproducibility of scoring criteria for HER2 immunohistochemistry in endometrial serous carcinoma: a multi-institutional interobserver agreement study
Buza N, Euscher ED, Matias-Guiu X, McHenry A, Oliva E, Ordulu Z, Parra-Herran C, Rottmann D, Turner BM, Wong S, Hui P. Reproducibility of scoring criteria for HER2 immunohistochemistry in endometrial serous carcinoma: a multi-institutional interobserver agreement study. Modern Pathology 2021, 34: 1194-1202. PMID: 33536574, DOI: 10.1038/s41379-021-00746-5.Peer-Reviewed Original ResearchConceptsEndometrial serous carcinomaHER2 scoring criteriaSerous carcinomaHER2 scoreGynecologic pathologistsAnti-human epidermal growth factor receptor 2 (HER2) therapyRecent successful clinical trialsInterobserver disagreementCombination of HER2Successful clinical trialsHER2 gene amplificationInterobserver agreement studyScoring criteriaInterobserver agreement ratesOverall survivalEndometrial cancerPathologic studiesHER2 statusClinical trialsGastric carcinomaHER2 testingHER2 immunohistochemistryAdvanced stageCarcinomaScoring system
2020
Randomized phase II trial of carboplatin-paclitaxel compared to carboplatin-paclitaxel-trastuzumab in advanced or recurrent uterine serous carcinomas that overexpress HER2/Neu (NCT01367002): Updated survival analysis
Fader A, Roque D, Siegel E, Buza N, Hui P, Havrilesky L, Secord A, O'Malley D, Backes F, Nevadunsky N, Chambers S, Edraki B, Celano P, Bellone S, Azodi M, Ratner E, Litkouhi B, Silasi D, Schwartz P, Santin A. Randomized phase II trial of carboplatin-paclitaxel compared to carboplatin-paclitaxel-trastuzumab in advanced or recurrent uterine serous carcinomas that overexpress HER2/Neu (NCT01367002): Updated survival analysis. Gynecologic Oncology 2020, 159: 7-8. DOI: 10.1016/j.ygyno.2020.06.014.Peer-Reviewed Original Research
2018
Minimal microsatellite shift in microsatellite instability high endometrial cancer: a significant pitfall in diagnostic interpretation
Wu X, Snir O, Rottmann D, Wong S, Buza N, Hui P. Minimal microsatellite shift in microsatellite instability high endometrial cancer: a significant pitfall in diagnostic interpretation. Modern Pathology 2018, 32: 650-658. PMID: 30443012, DOI: 10.1038/s41379-018-0179-3.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBiomarkers, TumorColorectal Neoplasms, Hereditary NonpolyposisDNA-Binding ProteinsEndometrial NeoplasmsFemaleGenetic LociGenetic Predisposition to DiseaseHumansImmunohistochemistryMicrosatellite InstabilityMiddle AgedMismatch Repair Endonuclease PMS2MutL Protein Homolog 1MutS Homolog 2 ProteinPhenotypePolymerase Chain ReactionPredictive Value of TestsReproducibility of ResultsConceptsEndometrial cancerMLH1/PMS2Endometrial carcinomaMSH6 lossMicrosatellite shiftCancer cohortMismatch repair deficiency testingMicrosatellite instability-high colorectal cancerEndometrial cancer cohortLoss of PMS2Clear cell carcinomaColorectal cancer cohortHigh colorectal cancerLynch syndrome familiesMSH2/MSH6PMS2 lossCell carcinomaColorectal cancerDeficiency testingSolid malignanciesColorectal carcinomaCarcinomaCancerIsolated lossMSH-6
2017
Comprehensive Analysis of PAX8 Expression in Epithelial Malignancies of the Uterine Cervix
Wong S, Hong W, Hui P, Buza N. Comprehensive Analysis of PAX8 Expression in Epithelial Malignancies of the Uterine Cervix. International Journal Of Gynecological Pathology 2017, 36: 101-106. PMID: 27362905, DOI: 10.1097/pgp.0000000000000309.Peer-Reviewed Original ResearchConceptsSquamous cell carcinomaEpithelial malignanciesPAX8 expressionAdenosquamous carcinomaMajority of SCCsCervical squamous cell carcinomaPossible primary sitesEndometrioid-type tumorsWeak nuclear stainingTissue microarray slidesGynecologic malignanciesEndometrial adenocarcinomaEndometrioid adenocarcinomaMetastatic lesionsEndometrial carcinomaMetastatic sitesUterine cervixCell carcinomaCervical tumorsEndocervical adenocarcinomaDifferential diagnosisPrimary siteAdenocarcinomaCarcinomaMalignancy
2014
HER2/neu in Endometrial Cancer: A Promising Therapeutic Target With Diagnostic Challenges
Buza N, Roque DM, Santin AD. HER2/neu in Endometrial Cancer: A Promising Therapeutic Target With Diagnostic Challenges. Archives Of Pathology & Laboratory Medicine 2014, 138: 343-50. PMID: 24576030, DOI: 10.5858/arpa.2012-0416-ra.Peer-Reviewed Original ResearchConceptsEndometrial carcinomaHER2/neuPromising therapeutic targetHER2 testingClinical responseTherapeutic targetHumanized monoclonal immunoglobulin G1 antibodyMonoclonal immunoglobulin G1 antibodyUterine serous carcinomaImmunoglobulin G1 antibodyNovel therapeutic strategiesEndometrial cancerSerous adenocarcinomaSerous carcinomaCase reportDiagnostic challengeHER2 overexpressionPathogenetic featuresClinical studiesG1 antibodyTherapeutic strategiesCarcinomaTherapeutic efficacyStandardized criteriaTherapy