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 ResearchMeSH KeywordsCarcinomaFemaleGenotypeGestational Trophoblastic DiseaseHumansMicrosatellite RepeatsPregnancyUterine NeoplasmsUterusConceptsEpithelioid 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 tissueIn Vivo and In Vitro Efficacy of Trastuzumab Deruxtecan in Uterine Serous Carcinoma.
Mutlu L, Manavella D, Bellone S, McNamara B, Harold J, Mauricio D, Siegel E, Buza N, Hui P, Hartwich T, Yang-Hartwich Y, Demirkiran C, Verzosa M, Altwerger G, Ratner E, Huang G, Clark M, Andikyan V, Azodi M, Dottino P, Schwartz P, Santin A. In Vivo and In Vitro Efficacy of Trastuzumab Deruxtecan in Uterine Serous Carcinoma. Molecular Cancer Therapeutics 2023, 22: 1404-1412. PMID: 37676984, DOI: 10.1158/1535-7163.mct-23-0126.Peer-Reviewed Original ResearchMeSH KeywordsAntibodies, Monoclonal, HumanizedCamptothecinCarcinomaFemaleHumansImmunoconjugatesReceptor, ErbB-2TrastuzumabUterine NeoplasmsConceptsUterine serous carcinomaAntibody-dependent cellular cytotoxicityT-DXdUSC patientsUSC cell linesTrastuzumab deruxtecanSerous carcinomaHER2 expressionClinical trialsRecurrent uterine serous carcinomaTopoisomerase I inhibitor payloadSignificant antibody-dependent cellular cytotoxicityCell linesMultiple tumor indicationsPrimary USC cell linesLow HER2 expressionFuture clinical trialsHigh recurrence ratePeripheral blood lymphocytesERBB2 gene amplificationGrowth suppressionHER2-overexpressing cell linesTumor growth suppressionOverall survivalStandard chemotherapy
2022
Ovarian and uterine carcinosarcomas are sensitive in vitro and in vivo to elimusertib, a novel ataxia-telangiectasia and Rad3-related (ATR) kinase inhibitor
Manavella D, McNamara B, Harold J, Bellone S, Hartwich T, Yang-Hartwich Y, Mutlu L, Zipponi M, Demirkiran C, Verzosa M, Altwerger G, Ratner E, Huang G, Clark M, Andikyan V, Azodi M, Schwartz P, Dottino P, Choi J, Alexandrov L, Buza N, Hui P, Santin A. Ovarian and uterine carcinosarcomas are sensitive in vitro and in vivo to elimusertib, a novel ataxia-telangiectasia and Rad3-related (ATR) kinase inhibitor. Gynecologic Oncology 2022, 169: 98-105. PMID: 36525930, PMCID: PMC9925406, DOI: 10.1016/j.ygyno.2022.12.003.Peer-Reviewed Original ResearchConceptsHomologous recombination deficiencyCS cell linesCell linesWestern blotKinase inhibitorsOverall animal survivalProtein expressionDose-dependent increaseDose-dependent inhibitionCarcinosarcoma cell lineTumor growth inhibitionCaspase-3 expressionEndometrioid histologyAggressive malignancyUterine carcinosarcomaCS patientsPreclinical activityClinical trialsEpithelial componentAnimal survivalXenograftsApoptosis markersRecombination deficiencyP-ATRP-Chk1Elimusertib (BAY1895344), a novel ATR inhibitor, demonstrates in vivo activity in ATRX mutated models of uterine leiomyosarcoma
Harold J, Bellone S, Manavella D, Mutlu L, McNamara B, Hartwich T, Zipponi M, Yang-Hartwich Y, Demirkiran C, Verzosa M, Choi J, Dong W, Buza N, Hui P, Altwerger G, Huang G, Andikyan V, Clark M, Ratner E, Azodi M, Schwartz P, Santin A. Elimusertib (BAY1895344), a novel ATR inhibitor, demonstrates in vivo activity in ATRX mutated models of uterine leiomyosarcoma. Gynecologic Oncology 2022, 168: 157-165. PMID: 36442427, PMCID: PMC9797429, DOI: 10.1016/j.ygyno.2022.11.014.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAtaxia Telangiectasia Mutated ProteinsFemaleHumansLeiomyosarcomaMiceMice, SCIDMutationUterine NeoplasmsX-linked Nuclear ProteinConceptsPatient-derived xenograftsUterine leiomyosarcomaVivo activityVehicle control treatmentMedian overall survivalTumor volume differencesOral scheduleWestern blot analysisOverall survivalOral gavageAggressive malignancyPDX modelsClinical trialsSCID miceTumor measurementsULMS patientsSignificant growth inhibitionNovel ATR inhibitorTumor samplesSignificant toxicityWestern blotKinase inhibitorsATRX mutationsGene mutationsControl vehicleSynergistic activity of neratinib in combination with olaparib in uterine serous carcinoma overexpressing HER2/neu
Yadav G, Roque DM, Bellone S, Manavella DD, Hartwich TMP, Zipponi M, Harold J, Tymon-Rosario J, Mutlu L, Altwerger G, Menderes G, Ratner E, Buza N, Hui P, Huang GS, Andikyan V, Clark M, Azodi M, Schwartz PE, Alexandrov LB, Santin AD. Synergistic activity of neratinib in combination with olaparib in uterine serous carcinoma overexpressing HER2/neu. Gynecologic Oncology 2022, 166: 351-357. PMID: 35641325, DOI: 10.1016/j.ygyno.2022.05.021.Peer-Reviewed Original ResearchConceptsUterine serous carcinomaHER2/neu expressionHER2/neuCombination of olaparibUSC xenograftsUSC cell linesNeu expressionSerous carcinomaLow HER2/neu expressionHER2/neu 3Cell linesHER2/neu gene amplificationNovel therapeutic optionsPolymerase inhibitor olaparibNeu gene amplificationDurable growth inhibitionNeratinib treatmentUSC cellsUSC patientsEndometrial cancerAggressive variantTherapeutic optionsPoor prognosisHER2/Single agentGestational Trophoblastic Disease Contemporary Diagnostic Approach
Buza N. Gestational Trophoblastic Disease Contemporary Diagnostic Approach. Surgical Pathology Clinics 2022, 15: 197-218. PMID: 35715158, DOI: 10.1016/j.path.2022.02.002.Peer-Reviewed Original Research
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 ResearchMeSH KeywordsAgedCystadenocarcinoma, SerousEndometrial NeoplasmsFemaleHumansMiddle AgedPolypsUterine NeoplasmsConceptsMinimal 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 seriesDHES0815A, a novel antibody-drug conjugate targeting HER2/neu, is highly active against uterine serous carcinomas in vitro and in vivo
Tymon-Rosario J, Bonazzoli E, Bellone S, Manzano A, Pelligra S, Guglielmi A, Gnutti B, Nagarkatti N, Zeybek B, Manara P, Zammataro L, Harold J, Mauricio D, Buza N, Hui P, Altwerger G, Menderes G, Ratner E, Clark M, Andikyan V, Huang GS, Silasi DA, Azodi M, Schwartz PE, Santin AD. DHES0815A, a novel antibody-drug conjugate targeting HER2/neu, is highly active against uterine serous carcinomas in vitro and in vivo. Gynecologic Oncology 2021, 163: 334-341. PMID: 34452746, PMCID: PMC8722447, DOI: 10.1016/j.ygyno.2021.08.014.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntibodies, Monoclonal, HumanizedBenzodiazepinesBystander EffectCell Line, TumorCystadenocarcinoma, SerousDrug Resistance, NeoplasmFemaleHumansImmunoconjugatesMiddle AgedPrimary Cell CultureReceptor, ErbB-2TrastuzumabUterine NeoplasmsXenograft Model Antitumor AssaysConceptsHER2/neuPrimary USC cell linesUSC cell linesUterine serous carcinomaSerous carcinomaHER2/Cell linesBystander killingHER2/neu protein expressionHER2/neu overexpressionProtein expressionNovel treatment optionsAggressive histologic variantNeu protein expressionHER2 protein expressionC-erbB2 gene amplificationSignificant bystander killingUSC xenograftsEndometrial cancerNegative tumorsPoor prognosisPositive tumorsTreatment optionsPreclinical activityHistologic variantsIntegrated mutational landscape analysis of uterine leiomyosarcomas
Choi J, Manzano A, Dong W, Bellone S, Bonazzoli E, Zammataro L, Yao X, Deshpande A, Zaidi S, Guglielmi A, Gnutti B, Nagarkatti N, Tymon-Rosario JR, Harold J, Mauricio D, Zeybek B, Menderes G, Altwerger G, Jeong K, Zhao S, Buza N, Hui P, Ravaggi A, Bignotti E, Romani C, Todeschini P, Zanotti L, Odicino F, Pecorelli S, Ardighieri L, Bilguvar K, Quick CM, Silasi DA, Huang GS, Andikyan V, Clark M, Ratner E, Azodi M, Imielinski M, Schwartz PE, Alexandrov LB, Lifton RP, Schlessinger J, Santin AD. Integrated mutational landscape analysis of uterine leiomyosarcomas. Proceedings Of The National Academy Of Sciences Of The United States Of America 2021, 118: e2025182118. PMID: 33876771, PMCID: PMC8053980, DOI: 10.1073/pnas.2025182118.Peer-Reviewed Original ResearchConceptsHomologous recombination DNA repair deficiencySequencing dataWhole-genome sequencing dataRNA sequencing dataTCGA samplesCopy number variation analysisATRX/DAXXCopy number lossNumber variation analysisDNA repair deficiencyWhole-exome sequencing dataRecurrent somatic mutationsCopy number gainsCancer Genome AtlasPatient-derived xenograftsTumor suppressorAkt geneGenetic landscapeHRD signaturesPTEN geneGenesMost fusionsC-MycMutational signaturesC-myc/
2020
Human epidermal growth factor 2 (HER2) in early stage uterine serous carcinoma: A multi-institutional cohort study
Erickson BK, Najjar O, Damast S, Blakaj A, Tymon-Rosario J, Shahi M, Santin A, Klein M, Dolan M, Cimino-Mathews A, Buza N, Ferriss JS, Stone RL, Khalifa M, Fader AN. Human epidermal growth factor 2 (HER2) in early stage uterine serous carcinoma: A multi-institutional cohort study. Gynecologic Oncology 2020, 159: 17-22. PMID: 32709539, PMCID: PMC7541557, DOI: 10.1016/j.ygyno.2020.07.016.Peer-Reviewed Original ResearchMeSH KeywordsAgedAntineoplastic Combined Chemotherapy ProtocolsBiomarkers, TumorChemoradiotherapy, AdjuvantCystadenocarcinoma, SerousFemaleFollow-Up StudiesHumansHysterectomyImmunohistochemistryMiddle AgedNeoplasm InvasivenessNeoplasm Recurrence, LocalNeoplasm StagingPrognosisProgression-Free SurvivalReceptor, ErbB-2Retrospective StudiesRisk AssessmentUnited StatesUterine NeoplasmsUterusConceptsHuman epidermal growth factor 2Uterine serous carcinomaHER2-positive tumorsEarly-stage diseaseOverall survivalSerous carcinomaCohort studyHER2 positivityPositive tumorsEarly stage uterine serous carcinomaLymph-vascular space invasionRecurrent uterine serous carcinomaMulti-institutional cohort studyHuman epidermal growth factor receptor 2Multi-center cohort studyEpidermal growth factor receptor 2Epidermal growth factor 2HER2-positive cohortGrowth factor receptor 2HER2-negative tumorsEquivocal IHC resultsFactor receptor 2Inferior PFSAdjuvant therapyGrowth factor 2Extragonadal Yolk Sac Tumor Limited to the Myometrium: Report of a Case With Potential Fertility Preservation and Molecular Analysis Suggesting Germ Cell Origin
Simpson S, Simoni M, Hui P, Taylor H, Buza N. Extragonadal Yolk Sac Tumor Limited to the Myometrium: Report of a Case With Potential Fertility Preservation and Molecular Analysis Suggesting Germ Cell Origin. International Journal Of Gynecological Pathology 2020, 39: 247-253. PMID: 31033797, DOI: 10.1097/pgp.0000000000000601.Peer-Reviewed Original ResearchConceptsYolk sac tumorExtragonadal yolk sac tumorGerm cell originFuture fertilityIntraoperative frozen section evaluationCell originPatient's strong desirePostpubertal female patientsEvidence of diseaseFrozen section evaluationMarked nuclear atypiaClear treatment algorithmRare malignant neoplasmHigh-grade malignancyEosinophilic hyaline globulesNext-generation sequencing resultsAdjuvant chemotherapySurgical stagingAbdominal myomectomyNulligravid womenIrregular bleedingUterine closureWedge resectionYounger patientsFemale patientsMolecular and clinicopathologic characterization of intravenous leiomyomatosis
Ordulu Z, Chai H, Peng G, McDonald AG, De Nictolis M, Garcia-Fernandez E, Hardisson D, Prat J, Li P, Hui P, Oliva E, Buza N. Molecular and clinicopathologic characterization of intravenous leiomyomatosis. Modern Pathology 2020, 33: 1844-1860. PMID: 32341498, PMCID: PMC7483566, DOI: 10.1038/s41379-020-0546-8.Peer-Reviewed Original ResearchConceptsIntravenous leiomyomatosisAggressive clinical behaviorClinical behaviorArray comparative genomic hybridizationCyclin D1Uterine smooth muscle tumorsSmooth muscle tumorsSmooth muscle proliferationRecurrent chromosome alterationsCommon genetic alterationsFH immunohistochemistryClinicopathologic characterizationImmunohistochemical findingsMesenchymal tumorsMuscle tumorsBenign appearanceMuscle proliferationUterine leiomyomaGroup 1Group 3Nonneoplastic tissuesIndex scoreVascular morphologyProtein expressionComparative genomic hybridization
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 trialsPrecision genotyping diagnosis of lung tumors with trophoblastic morphology in young women
Buza N, Baine I, Hui P. Precision genotyping diagnosis of lung tumors with trophoblastic morphology in young women. Modern Pathology 2019, 32: 1271-1280. PMID: 31028360, DOI: 10.1038/s41379-019-0275-z.Peer-Reviewed Original ResearchMeSH KeywordsAdultChoriocarcinomaFemaleGenotypeHumansLung NeoplasmsMiddle AgedPregnancyTrophoblastic NeoplasmsUterine NeoplasmsConceptsGestational choriocarcinomaLung carcinomaLung massClinical historyLung tumorsGestational originSerum beta-hCG levelsYoung womenTrophoblastic differentiationMetastatic gestational choriocarcinomaSerum beta-hCGBeta-hCG levelsEvidence of diseaseUnique diagnostic challengePrimary lung carcinomaGestational trophoblastic neoplasiaDifferent chemotherapeutic regimensDifferent primary sitesWedge resectionBeta-hCGFemale patientsMetastatic choriocarcinomaThird patientChemotherapeutic regimensImmunophenotypical featuresPaternal uniparental isodisomy of tyrosine hydroxylase locus at chromosome 11p15.4: spectrum of phenotypical presentations simulating hydatidiform moles
Buza N, McGregor SM, Barroilhet L, Zheng X, Hui P. Paternal uniparental isodisomy of tyrosine hydroxylase locus at chromosome 11p15.4: spectrum of phenotypical presentations simulating hydatidiform moles. Modern Pathology 2019, 32: 1180-1188. PMID: 30952972, DOI: 10.1038/s41379-019-0266-0.Peer-Reviewed Original ResearchMeSH KeywordsAbortion, MissedAdultAntineoplastic Combined Chemotherapy ProtocolsBiomarkers, TumorChromosomes, Human, Pair 11CyclophosphamideDactinomycinEtoposideFemaleGenetic LociGenetic Predisposition to DiseaseHumansHydatidiform MoleMaleMethotrexatePhenotypePregnancyTreatment OutcomeTyrosine 3-MonooxygenaseUniparental DisomyUterine NeoplasmsVincristineConceptsPaternal uniparental isodisomyAbnormal trophoblastic proliferationCases of gestationUneventful clinical courseAggressive clinical behaviorUniparental isodisomyTyrosine hydroxylase locusMultiagent chemotherapyClinical courseFirst trimesterClinical complicationsImmunohistochemical featuresClinical behaviorMissed abortionAbnormal gestationsTyrosine hydroxylasePatientsTrophoblastic proliferationVillous cytotrophoblastsStromal cellsPhenotypical presentationChorionic villiGenetic conditionsP57 expressionGestation
2015
Intravenous Leiomyomatosis Revisited
Carr RJ, Hui P, Buza N. Intravenous Leiomyomatosis Revisited. International Journal Of Gynecological Pathology 2015, 34: 169-176. PMID: 25675187, DOI: 10.1097/pgp.0000000000000127.Peer-Reviewed Original ResearchMeSH KeywordsAdultBroad LigamentFemaleHumansLeiomyomatosisMiddle AgedMuscle, SmoothUterine NeoplasmsVeinsConceptsIntravenous leiomyomatosisSmooth muscle originMuscle originCases of IVLCommon extrauterine siteRight heart chambersGood overall prognosisPatients' medical recordsDirect mass effectGross pathologic findingsConventional diagnostic criteriaExtrauterine extensionExtrauterine involvementClinical sequelaeOverall prognosisDisease recurrenceMedian agePatient agePrompt diagnosisInitial diagnosisPathologic findingsSignificant morbiditySurgical excisionInferior venaPrimary lesion
2014
Recurrent chromosomal aberrations in intravenous leiomyomatosis of the uterus: high-resolution array comparative genomic hybridization study
Buza N, Xu F, Wu W, Carr RJ, Li P, Hui P. Recurrent chromosomal aberrations in intravenous leiomyomatosis of the uterus: high-resolution array comparative genomic hybridization study. Human Pathology 2014, 45: 1885-1892. PMID: 25033729, DOI: 10.1016/j.humpath.2014.05.010.Peer-Reviewed Original ResearchConceptsOligonucleotide array comparative genomic hybridizationArray comparative genomic hybridizationComparative genomic hybridizationGenome-wide investigationGenomic hybridizationChromosome 22qCopy number lossGene mappingChromosomal aberrationsComparative genomic hybridization studySuccinate dehydrogenase subunit BGenetic instabilityRecurrent chromosomal aberrationsRegions of lossSequencing analysisChromosome 12qNumber lossNumber variantsSubunit BChromosomal alterationsHybridization studies