2023
KRAS mutation in primary ovarian serous borderline tumors correlates with tumor recurrence
McHenry A, Rottmann D, Buza N, Hui P. KRAS mutation in primary ovarian serous borderline tumors correlates with tumor recurrence. Virchows Archiv 2023, 483: 71-79. PMID: 37219599, DOI: 10.1007/s00428-023-03564-z.Peer-Reviewed Original ResearchConceptsOvarian serous borderline tumorsSerous borderline tumorsNon-invasive implantsDisease-free survivalKRAS mutationsTumor recurrenceExtraovarian implantsAdverse disease-free survivalWorse disease-free survivalHigher stage diseaseKRAS mutation testingHigher tumor stageWild-type KRASBRAF V600E mutationBRAF mutational analysisBorderline tumorsClinical outcomesHistological subtypesTumor stageBRAF mutationsUseful biomarkerInvasive implantsTumors correlatesV600E mutationMutational statusTrastuzumab deruxtecan (DS-8201a), a HER2-targeting antibody–drug conjugate with topoisomerase I inhibitor payload, shows antitumor activity in uterine and ovarian carcinosarcoma with HER2/neu expression
Mauricio D, Bellone S, Mutlu L, McNamara B, Manavella D, Demirkiran C, Verzosa M, Buza N, Hui P, Hartwich T, Harold J, Yang-Hartwich Y, Zipponi M, Altwerger G, Ratner E, Huang G, Clark M, Andikyan V, Azodi M, Schwartz P, Santin A. Trastuzumab deruxtecan (DS-8201a), a HER2-targeting antibody–drug conjugate with topoisomerase I inhibitor payload, shows antitumor activity in uterine and ovarian carcinosarcoma with HER2/neu expression. Gynecologic Oncology 2023, 170: 38-45. PMID: 36610380, PMCID: PMC10445234, DOI: 10.1016/j.ygyno.2022.12.018.Peer-Reviewed Original ResearchConceptsHER2/neu expressionDS-8201aAntibody-drug conjugatesNeu expressionCS cell linesTrastuzumab deruxtecanOvarian carcinosarcomaTopoisomerase I inhibitor payloadCell linesAggressive gynecologic malignancyLimited therapeutic optionsEffective antibody-drug conjugatesCarcinosarcoma cell lineGynecologic malignanciesTherapeutic optionsIsotype controlSarcomatous elementsXenograft modelBystander killingFlow cytometryTumor cellsCarcinosarcomaAntitumor activityVivo studiesVivo activity
2022
Anastomosing Hemangioma of the Ovary With Leydig Cell Hyperplasia: A Clinicopathologic Study of 12 Cases
McHenry A, Buza N. Anastomosing Hemangioma of the Ovary With Leydig Cell Hyperplasia: A Clinicopathologic Study of 12 Cases. International Journal Of Gynecological Pathology 2022, 42: 167-175. PMID: 35512214, DOI: 10.1097/pgp.0000000000000887.Peer-Reviewed Original ResearchMeSH KeywordsEndothelial CellsFemaleHemangiomaHumansHyperplasiaLeydig CellsMaleOvarian NeoplasmsOvarySoft Tissue NeoplasmsConceptsLeydig cell hyperplasiaAnastomosing hemangiomaLeydig cellsCell hyperplasiaEndothelial cellsHobnail endothelial cellsSymptomatic pelvic massSteroid cell tumorTime of resectionMultiple anatomic sitesFemale genital tractLeydig cell tumorMale genitourinary tractGlobular intracytoplasmic inclusionsHormonal manifestationsClinicopathologic studyPatient agePelvic massOvarian hilumGenitourinary tractLuteinized cellsCell tumorsVascular neoplasmVascular proliferationGenital tractRandomised phase II trial of weekly ixabepilone ± biweekly bevacizumab for platinum-resistant or refractory ovarian/fallopian tube/primary peritoneal cancer
Roque DM, Siegel ER, Buza N, Bellone S, Silasi DA, Huang GS, Andikyan V, Clark M, Azodi M, Schwartz PE, Rao GG, Reader JC, Hui P, Tymon-Rosario JR, Harold J, Mauricio D, Zeybek B, Menderes G, Altwerger G, Ratner E, Santin AD. Randomised phase II trial of weekly ixabepilone ± biweekly bevacizumab for platinum-resistant or refractory ovarian/fallopian tube/primary peritoneal cancer. British Journal Of Cancer 2022, 126: 1695-1703. PMID: 35149854, PMCID: PMC8853032, DOI: 10.1038/s41416-022-01717-6.Peer-Reviewed Original ResearchConceptsPrimary peritoneal cancerPeritoneal cancerPredictive biomarkersDay 1Taxane-resistant ovarian cancerPhase II trialM2 days 1Bevacizumab 10Evaluable patientsPrior bevacizumabWeekly ixabepiloneII trialPrimary endpointSecondary endpointsRefractory statusTUBB3 expressionPrior receiptSubgroup analysisClinical trialsOvarian cancerIxabepilonePFSCancerBevacizumabPatients
2020
Bilateral Signet-ring Stromal Tumor of the Ovary: A Case Report With Next-generation Sequencing Analysis and FOXL2 Mutation Testing
Chen PH, Hui P, Buza N. Bilateral Signet-ring Stromal Tumor of the Ovary: A Case Report With Next-generation Sequencing Analysis and FOXL2 Mutation Testing. International Journal Of Gynecological Pathology 2020, 39: 193-198. PMID: 30676431, DOI: 10.1097/pgp.0000000000000579.Peer-Reviewed Case Reports and Technical NotesMeSH KeywordsAgedBiomarkers, TumorCarcinoma, Signet Ring CellFemaleForkhead Box Protein L2High-Throughput Nucleotide SequencingHumansOvarian NeoplasmsConceptsSignet-ring stromal tumorStromal tumorsNext-generation sequencing analysisBilateral solid ovarian tumorsBilateral ovarian massesFOXL2 mutation testingSolid ovarian tumorSignet ring cell morphologySmooth muscle actinUnderlying genetic abnormalitiesPCR-Sanger sequencingNuclear beta-catenin expressionHandful of casesHeterogenous pathogenesisAbdominal distentionRectal bleedingTotal hysterectomyStromal neoplasmsOvarian massesOvarian tumorsCase reportBeta-catenin expressionSequencing analysisMuscle actinTumors
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 populationFrozen Section Diagnosis of Ovarian Epithelial Tumors: Diagnostic Pearls and Pitfalls
Buza N. Frozen Section Diagnosis of Ovarian Epithelial Tumors: Diagnostic Pearls and Pitfalls. Archives Of Pathology & Laboratory Medicine 2019, 143: 47-64. PMID: 30785337, DOI: 10.5858/arpa.2018-0289-ra.Peer-Reviewed Original ResearchConceptsFrozen section evaluationOvarian epithelial tumorsIntraoperative frozen section evaluationFrozen section diagnosisEpithelial tumorsOvarian tumorsSection evaluationSection diagnosisClear cell ovarian tumorsExtensive staging proceduresExtent of surgeryCareful gross examinationPreoperative diagnostic workupCommon clinical scenariosAccurate frozen section diagnosisSignificant diagnostic challengePotential diagnostic pitfallFrozen section laboratorySurgical stagingStaging procedureYounger patientsBorderline tumorsSerum markersOvarian massesDiagnostic challenge
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