2023
Diagnosis and Classification of Myelodysplastic Syndromes with Mutated TP53
Siddon A, Weinberg O. Diagnosis and Classification of Myelodysplastic Syndromes with Mutated TP53. Clinics In Laboratory Medicine 2023, 43: 607-614. PMID: 37865506, DOI: 10.1016/j.cll.2023.07.004.Peer-Reviewed Original ResearchConceptsAcute myeloid leukemiaMyelodysplastic syndromeTP53 mutationsPrognosis of MDSCases of MDSPrognostic scoring systemNext-generation sequencingParticular next-generation sequencingAggressive diseasePoor outcomeTherapeutic managementTP53 disruptionMyeloid leukemiaMyeloid neoplasmsTherapeutic advancementsCytogenetic abnormalitiesMyeloid neoplasiaScoring systemDisease classificationMyeloid diseasesGene mutationsSyndromeDiseaseDiagnosisTP53Optimizing Donor Chimerism Threshold for Next-Generation Sequencing Monitoring of Measurable Residual Disease Post-Allogeneic Stem Cell Transplantation for Myeloid Neoplasms
Puzo C, Tormey C, Rinder H, Siddon A. Optimizing Donor Chimerism Threshold for Next-Generation Sequencing Monitoring of Measurable Residual Disease Post-Allogeneic Stem Cell Transplantation for Myeloid Neoplasms. Transplantation And Cellular Therapy 2023, 29: 459.e1-459.e4. PMID: 37062510, DOI: 10.1016/j.jtct.2023.04.005.Peer-Reviewed Original ResearchConceptsAllogeneic stem cell transplantationStem cell transplantationDonor chimerismCell transplantationNGS testingPost allogeneic stem cell transplantationMeasurable residual diseaseNext-generation sequencingAcute myeloid leukemiaConditioning regimenRelated donorsMyelodysplastic syndromeResidual diseaseValidation cohortMyeloid leukemiaMyeloid neoplasmsNGS panelLogistic regressionPatientsChimerismSignificant predictorsCharacteristic curveTransplantationRegimenConservative threshold“Double‐hit” ineffective erythropoiesis—concurrent β‐thalassemia with α‐gene triplication and myelodysplastic syndrome with SF3B1 mutation
Chen P, Gorshein E, Tormey C, Siddon A, Perincheri S. “Double‐hit” ineffective erythropoiesis—concurrent β‐thalassemia with α‐gene triplication and myelodysplastic syndrome with SF3B1 mutation. American Journal Of Hematology 2023, 98: 984-988. PMID: 36688500, DOI: 10.1002/ajh.26856.Peer-Reviewed Educational Materials
2022
TP53 mutation defines a unique subgroup within complex karyotype de novo and therapy-related MDS/AML
Weinberg OK, Siddon A, Madanat Y, Gagan J, Arber DA, Dal Cin P, Narayanan D, Ouseph MM, Kurzer JH, Hasserjian RP. TP53 mutation defines a unique subgroup within complex karyotype de novo and therapy-related MDS/AML. Blood Advances 2022, 6: 2847-2853. PMID: 35073573, PMCID: PMC9092405, DOI: 10.1182/bloodadvances.2021006239.Peer-Reviewed Original ResearchConceptsAcute myeloid leukemiaMyelodysplastic syndromeOverall survivalTP53 mutationsComplex karyotypeBlast countWorse outcomesTherapy-related MDS/acute myeloid leukemiaDiagnosis of AMLMDS/acute myeloid leukemiaTherapy-related myeloid neoplasmsTherapy-related casesTP53-mutated patientsDe novo diseaseMarrow blast countLower hemoglobin levelsWorse overall survivalCK patientsNovo diseaseDifferent disease categoriesClinicopathologic featuresHemoglobin levelsMDS patientsMultivariable analysisAggressive disease
2021
Clinical and Molecular Approach to Adult-Onset, Neoplastic Monocytosis
Shallis RM, Siddon AJ, Zeidan AM. Clinical and Molecular Approach to Adult-Onset, Neoplastic Monocytosis. Current Hematologic Malignancy Reports 2021, 16: 276-285. PMID: 33890194, DOI: 10.1007/s11899-021-00632-6.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsPersistent monocytosisAppropriate diagnosisMyelomonocytic leukemiaPCM1-JAK2 fusionChronic myelomonocytic leukemiaAcute myeloid leukemiaAcute myelomonocytic leukemiaNegative predictive valuePurpose of ReviewInMyelodysplastic syndromeReactive monocytosisFGFR1 rearrangementAdult onsetMyeloid leukemiaMonocytosisBCR-ABL1Predictive valueASXL1 mutationsMyeloproliferative neoplasmsDiagnostic approachCytometric analysisMarrow tissuesLeukemiaDiagnosisMonocytic differentiation
2020
How I Diagnose Low-Grade Myelodysplastic Syndromes
Siddon AJ, Hasserjian RP. How I Diagnose Low-Grade Myelodysplastic Syndromes. American Journal Of Clinical Pathology 2020, 154: 5-14. PMID: 32458977, DOI: 10.1093/ajcp/aqaa046.Peer-Reviewed Original ResearchConceptsLow-grade myelodysplastic syndromesMyelodysplastic syndromeMorphologic dysplasiaPeripheral blood cytopeniasCauses of cytopeniaDifficult diagnostic dilemmaBone marrow morphologyClonal genetic abnormalitiesRole of pathologistsBlood cytopeniasPeripheral bloodClinical recordsDiagnostic dilemmaMarrow morphologySecondary causesAncillary studiesIneffective hematopoiesisMyeloid neoplasmsMDS casesClinical heterogeneityDiagnostic algorithmResults of cytogeneticsGenetic abnormalitiesClonal hematopoiesisIndeterminate potentialClinical outcomes and characteristics of patients with TP53-mutated acute myeloid leukemia or myelodysplastic syndromes: a single center experience*
Bewersdorf JP, Shallis RM, Gowda L, Wei W, Hager K, Isufi I, Kim TK, Pillai MM, Seropian S, Podoltsev NA, Gore SD, Siddon AJ, Zeidan AM. Clinical outcomes and characteristics of patients with TP53-mutated acute myeloid leukemia or myelodysplastic syndromes: a single center experience*. Leukemia & Lymphoma 2020, 61: 2180-2190. PMID: 32362171, PMCID: PMC7603787, DOI: 10.1080/10428194.2020.1759051.Peer-Reviewed Original ResearchConceptsAcute myeloid leukemiaMedian overall survivalTherapy-related malignanciesOverall survivalMyelodysplastic syndromeMyeloid leukemiaAllogeneic hematopoietic stem cell transplantLonger median overall survivalSingle-center retrospective studyComplex karyotypeHematopoietic stem cell transplantIntensive chemotherapy approachesYale Cancer CenterCharacteristics of patientsSingle-center experienceMinority of patientsStem cell transplantLong-term survivalLow response rateIntensive chemotherapyCenter experienceClinicopathologic characteristicsAdverse prognosisAML patientsCell transplant
2018
Be careful of the masquerades: differentiating secondary myelodysplasia from myelodysplastic syndromes in clinical practice
Shallis RM, Xu ML, Podoltsev NA, Curtis SA, Considine BT, Khanna SR, Siddon AJ, Zeidan AM. Be careful of the masquerades: differentiating secondary myelodysplasia from myelodysplastic syndromes in clinical practice. Annals Of Hematology 2018, 97: 2333-2343. PMID: 30109425, DOI: 10.1007/s00277-018-3474-7.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsMyelodysplastic syndromeSecondary myelodysplasiaSecondary causesAllogeneic hematopoietic cell transplantationDiagnosis of MDSRepresentative case seriesUnderlying myelodysplastic syndromeHematopoietic cell transplantationLack of efficacyHematologists/oncologistsMeticulous exclusionResultant cytopeniasIntensive chemotherapyCase seriesMorphologic reviewCell transplantationDiagnostic dilemmaSuch therapyMalignant processExpert hematopathologistsClinical practiceMyelodysplasiaCytogenetic abnormalitiesPatientsSpecialized physicians