2024
Randomized Phase II Trial of Imiquimod with or without 9-Valent HPV Vaccine versus Observation in Patients with High-grade Pre-neoplastic Cervical Lesions (NCT02864147)
Sheth S, Oh J, Bellone S, Siegel E, Greenman M, Mutlu L, McNamara B, Pathy S, Clark M, Azodi M, Altwerger G, Andikyan V, Huang G, Ratner E, Kim D, Iwasaki A, Levi A, Buza N, Hui P, Flaherty S, Schwartz P, Santin A. Randomized Phase II Trial of Imiquimod with or without 9-Valent HPV Vaccine versus Observation in Patients with High-grade Pre-neoplastic Cervical Lesions (NCT02864147). Clinical Cancer Research 2024, 30: of1-of10. PMID: 38592381, DOI: 10.1158/1078-0432.ccr-23-3639.Peer-Reviewed Original ResearchConceptsRandomized phase II trialCD4/CD8 T cellsT cellsHPV clearanceArm BNo significant differenceClinical surveillanceRate of HPV clearanceSecondary outcomesPre-neoplastic cervical lesionsCervical intraepithelial neoplasiaT cell infiltrationT cell responsesSignificant differenceCIN3 patientsIntraepithelial neoplasiaArm ACervical lesionsImiquimod groupSurveillance armVaginal suppositoriesProspective trialsArm CHPV vaccinationImiquimod
2021
DHES0815A, 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 variants
2020
Extragonadal 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 hybridizationFrequent loss of mutation-specific mismatch repair protein expression in nonneoplastic endometrium of Lynch syndrome patients
Wong S, Hui P, Buza N. Frequent loss of mutation-specific mismatch repair protein expression in nonneoplastic endometrium of Lynch syndrome patients. Modern Pathology 2020, 33: 1172-1181. PMID: 31932681, DOI: 10.1038/s41379-020-0455-x.Peer-Reviewed Original ResearchConceptsLynch syndrome patientsLynch syndromeMMR protein expressionSporadic endometrial carcinomasSyndrome patientsEndometrial cancerEndometrial glandsEndometrial carcinomaProtein expressionLynch syndrome-associated endometrial cancerGermline mutationsMismatch repair protein expressionMMR protein immunohistochemistryEndometrial cancer patientsNonneoplastic endometriumBenign endometrial tissuesMicrosatellite instability testingMMR protein lossGermline mutation analysisDNA mismatch repair genesRepair protein expressionMismatch repair genesBackground endometriumMMR immunohistochemistryProphylactic hysterectomyPhase II evaluation of nivolumab in the treatment of persistent or recurrent cervical cancer (NCT02257528/NRG-GY002)
Santin AD, Deng W, Frumovitz M, Buza N, Bellone S, Huh W, Khleif S, Lankes HA, Ratner ES, O'Cearbhaill RE, Jazaeri AA, Birrer M. Phase II evaluation of nivolumab in the treatment of persistent or recurrent cervical cancer (NCT02257528/NRG-GY002). Gynecologic Oncology 2020, 157: 161-166. PMID: 31924334, PMCID: PMC7127981, DOI: 10.1016/j.ygyno.2019.12.034.Peer-Reviewed Original ResearchConceptsTreatment-related adverse eventsRecurrent cervical cancerPD-L1 expressionPlatinum-based chemotherapyCervical cancerStable diseaseGrade 3 treatment-related adverse eventsGrade 4 treatment-related adverse eventsGrade 5 treatment-related adverse eventsECOG PS 0Prior systemic therapyRecurrent cervical carcinomaResponse/toxicitySingle-agent nivolumabSystemic chemotherapy regimenTolerability of nivolumabImmune checkpoint inhibitorsPercent of patientsAcceptable safety profilePhase II trialKey eligibility criteriaPhase II evaluationECOG PSNivolumab 3RECIST 1.1
2019
Ovarian Teratomas in Women With Anti-N-methyl-D-Aspartate Receptor Encephalitis
Nolan A, Buza N, Margeta M, Rabban JT. Ovarian Teratomas in Women With Anti-N-methyl-D-Aspartate Receptor Encephalitis. The American Journal Of Surgical Pathology 2019, 43: 949-964. PMID: 31021857, DOI: 10.1097/pas.0000000000001249.Peer-Reviewed Original ResearchConceptsNeuroglial tissueLymphoid aggregatesControl teratomasGross pathologic featuresGerminal centersReceptor encephalitisPathologic featuresOvarian teratomaAnti-N-Methyl-D-Aspartate Receptor EncephalitisD-aspartate receptor encephalitisDiffuse inflammatory infiltrateImmune cell populationsMature cystic teratomaGeneration of autoantibodiesCell populationsCentral nervous systemGanglion cell clustersAssociated teratomaIncidental oophorectomyOvarian specimenAsymptomatic womenAutoimmune syndromeInflammatory infiltrateCystic teratomaAstrocyte populationPrecision 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 ResearchConceptsGestational 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
2017
Ovarian Sertoli-Leydig cell tumors: a single institution experience and review of the literature.
Gressel G, Buza N, Pal L. Ovarian Sertoli-Leydig cell tumors: a single institution experience and review of the literature. European Journal Of Gynaecological Oncology 2017, 38: 214-220. PMID: 29953783.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overAntineoplastic Combined Chemotherapy ProtocolsChemotherapy, AdjuvantDisease-Free SurvivalFemaleHumansHyperandrogenismHysterectomyMiddle AgedNeoadjuvant TherapyNeoplasm GradingOvarian NeoplasmsOvariectomyPostmenopauseRetrospective StudiesSalpingectomySertoli-Leydig Cell TumorConceptsSertoli-Leydig cell tumorOvarian Sertoli-Leydig cell tumorPresent patient populationDisease-free survivalSingle institution experienceTertiary care institutionTime of diagnosisOnset of menopauseRisk of recurrenceSeries of casesAdjuvant chemotherapyMedian followPostmenopausal bleedingPostmenopausal patientsMedian ageMedian intervalClinical presentationDefinitive managementPathological findingsRetrospective reviewInstitution experiencePatient populationTreatment modalitiesCell tumorsTumor grade
2015
Diagnostic application of KRAS mutation testing in uterine microglandular proliferations
Hong W, Abi-Raad R, Alomari AK, Hui P, Buza N. Diagnostic application of KRAS mutation testing in uterine microglandular proliferations. Human Pathology 2015, 46: 1000-1005. PMID: 25997988, DOI: 10.1016/j.humpath.2015.03.010.Peer-Reviewed Original ResearchMeSH KeywordsAdenocarcinomaAdultAgedAged, 80 and overBiopsyCell ProliferationCervix UteriDiagnosis, DifferentialDNA Mutational AnalysisEndometrial HyperplasiaEndometrial NeoplasmsFemaleHumansMiddle AgedMutationPredictive Value of TestsProto-Oncogene ProteinsProto-Oncogene Proteins p21(ras)Ras ProteinsConceptsKRAS mutation analysisEndometrial adenocarcinomaMicroglandular hyperplasiaMicroglandular patternKRAS mutationsCareful morphological assessmentEndometrial mucinous carcinomaKRAS mutation testingCases of EMAMutation analysisFrequent KRAS mutationsElectronic medical recordsDifferential diagnostic toolHigh mitotic activityEndometrial biopsyImmunohistochemical workupUterine cervixMucinous carcinomaClinical historyDiagnostic challengeDiagnostic dilemmaGlandular proliferationMucinous lesionsMedical recordsEAC casesIntravenous 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 ResearchConceptsIntravenous 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
Mitotically Active Microglandular Hyperplasia of the Cervix
Abi-Raad R, Alomari A, Hui P, Buza N. Mitotically Active Microglandular Hyperplasia of the Cervix. International Journal Of Gynecological Pathology 2014, 33: 524-530. PMID: 25083971, DOI: 10.1097/pgp.0000000000000086.Peer-Reviewed Original ResearchConceptsHuman papillomavirus (HPV) statusMicroglandular hyperplasiaSmall biopsy specimensEndometrial malignancyClinical historyBiopsy specimensHigh risk human papillomavirus statusCarcinoembryonic antigenKi-67 proliferation indexMitotic activityModerate nuclear atypiaPatient's clinical historySignet ring cellsSignificant mitotic activityReticular growth patternMicroglandular patternVimentin immunostainsPatient ageCase seriesEndocervical polypEndometrial adenocarcinomaEndocervical glandsDiagnostic dilemmaClinical prognosisMucinous differentiationRecurrent 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