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 typesHuman 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 patients
2018
Intra‐operative evaluation of prophylactic hysterectomy and salpingo‐oophorectomy specimens in hereditary gynaecological cancer syndromes
Wong S, Ratner E, Buza N. Intra‐operative evaluation of prophylactic hysterectomy and salpingo‐oophorectomy specimens in hereditary gynaecological cancer syndromes. Histopathology 2018, 73: 109-123. PMID: 29484698, DOI: 10.1111/his.13503.Peer-Reviewed Original ResearchConceptsIntra-operative evaluationTotal hysterectomyLynch syndromePermanent sectionsSalpingo-oophorectomy specimensFrozen section diagnosisGermline BRCA 1BrCa casesOccult malignancySurgical stagingProphylactic hysterectomyGynaecological malignanciesFinal diagnosisSecond surgeryGross findingsRetrospective analysisBRCA-1Cancer syndromesGross lesionsSection diagnosisDiagnostic discrepanciesFrozen sectionsMalignancyPractice recommendationsLS cases
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