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
Ovarian Leydig Cell Tumor Associated with Recurrent Torsion and Virilization in an Adolescent Patient
Roth L, Smith A, Buza N, Coons B, Stitelman D, Vash-Margita A. Ovarian Leydig Cell Tumor Associated with Recurrent Torsion and Virilization in an Adolescent Patient. Journal Of Pediatric And Adolescent Gynecology 2023, 37: 217-219. PMID: 38110028, DOI: 10.1016/j.jpag.2023.11.014.Peer-Reviewed Original ResearchPolycystic ovarian syndromeOvarian tumorsCell tumorsRecurrent ovarian torsionAbnormal uterine bleedingPost-menopausal womenLeydig cell tumorUterine bleedingOvarian syndromeOvarian torsionYounger patientsOvarian functionOvarian hilumAdolescent patientsNodular proliferationSecrete androgensTumor AssociatedRecurrent torsionPrimary amenorrheaCurrent recommendationsReinke crystalsTumorsLeydig cellsIncidence increasesVirilization86. Leydig Cell Tumor in an Adolescent
Roth L, Smith A, Buza N, Coons B, Stitleman D, Vash-Margita A. 86. Leydig Cell Tumor in an Adolescent. Journal Of Pediatric And Adolescent Gynecology 2023, 36: 210. DOI: 10.1016/j.jpag.2023.01.229.Peer-Reviewed Original ResearchLeydig cell tumorOvarian stromal tumorsCell tumorsOvarian tumorsRight ovaryPrimary amenorrheaOvarian torsionStromal tumorsLeydig cell ovarian tumorsOvarian Leydig cell tumorAreas of hypodensityEnlarged right ovaryQuadrant abdominal painMainstay of treatmentIntraoperative frozen sectionTanner stage 4Breast stage 3Years of ageAbsent menarcheLaparoscopic detorsionAbdominal painFinal pathologyPostmenopausal womenRight oophorectomyPostoperative course
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 NotesConceptsSignet-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
Frozen 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