Featured Publications
Tissue-based chimerism analysis enhances detection of donor-derived neoplasia in allogeneic stem cell transplant patients
Baraban E, Hu S, Hui P, Podoltsev N, Cooper D, Xu M. Tissue-based chimerism analysis enhances detection of donor-derived neoplasia in allogeneic stem cell transplant patients. Bone Marrow Transplantation 2016, 52: 634-637. PMID: 27991892, DOI: 10.1038/bmt.2016.332.Peer-Reviewed Original ResearchEmerging Immunohistochemical Biomarkers for Myeloid Neoplasms.
Verma A, Xu ML. Emerging Immunohistochemical Biomarkers for Myeloid Neoplasms. Archives Of Pathology & Laboratory Medicine 2022, 147: 403-412. PMID: 35533352, DOI: 10.5858/arpa.2021-0558-ra.Peer-Reviewed Original ResearchConceptsMyeloid neoplasmsImmunohistochemical biomarkersImmunohistochemical markersManagement of patientsNovel immunohistochemical markerPosttreatment biopsiesImmunohistochemical toolsDisease progressionCorrect diagnosisClinical scenariosNeoplasmsPatient careLiterature searchRelevant biomarkersBiomarkersImmunohistochemistryMolecular biomarkersScientific literature searchMarkersArchival samplesOriginal articlesMolecular eraCurrent eraPatientsBiopsy
2022
Breast implant‐associated anaplastic large‐cell lymphoma: A series of two case reports diagnosed by cytopathology
Hrones M, Harigopal M, Xu M, Abi‐Raad R. Breast implant‐associated anaplastic large‐cell lymphoma: A series of two case reports diagnosed by cytopathology. Diagnostic Cytopathology 2022, 51: e25-e27. PMID: 36066320, DOI: 10.1002/dc.25052.Peer-Reviewed Original ResearchConceptsBreast implant-associated anaplastic large cell lymphomaImplant-associated anaplastic large cell lymphomaRare T-cell lymphomaAnaplastic large cell lymphomaPeri-implant effusionT-cell lymphomaLarge cell lymphomaCommon presentationDefinite treatmentBetter prognosisCase reportCytopathologic findingsCytopathologic analysisImplant removalEarly diagnosisFluid collectionBreast implantsCytopathological examinationLymphomaReportPatientsPrognosisEffusionDiseaseDiagnosisLiquid biopsy (LB)-based comprehensive genomic profiling (CGP) of circulating tumor DNA (ctDNA) for the evaluation of patients with myeloid neoplasms.
Mata D, Xu M, Shanmugam V, Tukachinsky H, Schrock A, Ross J, Williams E, Montesion M, Decker B, Vergilio J, Oxnard G, Benhamida J. Liquid biopsy (LB)-based comprehensive genomic profiling (CGP) of circulating tumor DNA (ctDNA) for the evaluation of patients with myeloid neoplasms. Journal Of Clinical Oncology 2022, 40: e19064-e19064. DOI: 10.1200/jco.2022.40.16_suppl.e19064.Peer-Reviewed Original ResearchComprehensive genomic profilingAcute myeloid leukemiaMyelodysplastic syndromeHistiocytic neoplasmsMyeloproliferative neoplasmsMyeloid neoplasiaAML casesMinimal residual disease testingPathogenic alterationsHybrid-capture next-generation sequencingSolid tumor diagnosisEvaluation of patientsRoutine clinical careRelevant genomic alterationsMonitoring of patientsUnique patient samplesRetrospective studyMyeloid leukemiaMyeloid neoplasmsClinical carePatientsKRAS G12AInsufficient tumorDisease testingPathway alterationsMast cell sarcoma: clinicopathologic and molecular analysis of 10 new cases and review of literature
Matsumoto NP, Yuan J, Wang J, Shen Q, Chen X, Kim Y, Zuppan CW, Chang CC, Cui W, Chen D, Shi M, Gisriel SD, Chen M, Xu ML, Pan Z. Mast cell sarcoma: clinicopathologic and molecular analysis of 10 new cases and review of literature. Modern Pathology 2022, 35: 865-874. PMID: 35105959, DOI: 10.1038/s41379-022-01014-w.Peer-Reviewed Original ResearchConceptsMast cell sarcomaConcurrent systemic mastocytosisMast cell activation symptomsGerm cell tumorsSerum tryptase levelsMast cell tryptaseMast cell growthImmunophenotypic overlapMedian followReactive eosinophilsReview of literatureMedian ageCell sarcomaRare entitySystemic mastocytosisTherapeutic regimensTryptase levelsCell tumorsCommon siteImmunohistochemical stainingKIT D816VVariable positivityRare formPatientsActivation symptoms
2021
Comprehensive Clinicopathologic and Molecular Analysis of Mast Cell Leukemia With Associated Hematologic Neoplasm: A Report and In-Depth Study of 5 Cases
Li P, Biancon G, Patel T, Pan Z, Kothari S, Halene S, Prebet T, Xu ML. Comprehensive Clinicopathologic and Molecular Analysis of Mast Cell Leukemia With Associated Hematologic Neoplasm: A Report and In-Depth Study of 5 Cases. Frontiers In Oncology 2021, 11: 730503. PMID: 34589432, PMCID: PMC8474637, DOI: 10.3389/fonc.2021.730503.Peer-Reviewed Original ResearchMast cell leukemiaAssociated hematologic neoplasmCell leukemiaHematologic neoplasmsAcute myeloid leukemiaPaucity of casesWhole-exome sequencingAdditional patientsCase seriesAggressive entityRare tumorMyeloid leukemiaAvailable tumorsComprehensive clinicopathologicLeukemiaPatientsNeoplasmsTumorsMolecular analysisClinicopathologicSequencing resultsCases
2020
Disease-associated CTNNBL1 mutation impairs somatic hypermutation by decreasing nuclear AID
Kuhny M, Forbes LR, Çakan E, Vega-Loza A, Kostiuk V, Dinesh RK, Glauzy S, Stray-Pedersen A, Pezzi AE, Hanson IC, Vargas-Hernandez A, Xu ML, Akdemir Z, Jhangiani SN, Muzny DM, Gibbs RA, Lupski JR, Chinn IK, Schatz DG, Orange JS, Meffre E. Disease-associated CTNNBL1 mutation impairs somatic hypermutation by decreasing nuclear AID. Journal Of Clinical Investigation 2020, 130: 4411-4422. PMID: 32484799, PMCID: PMC7410074, DOI: 10.1172/jci131297.Peer-Reviewed Original ResearchConceptsB cellsActivation-induced cytidine deaminaseHealthy donor counterpartsIsotype-switched B cellsCommon variable immunodeficiencyMemory B cellsSomatic hypermutationAutoimmune cytopeniasDecreased incidenceVariable immunodeficiencyB cell linesUnderlying molecular defectsNuclear AIDPatient's EBVRamos B cellsPatientsProtein 1Cell linesMolecular defectsCellsCytidine deaminaseMutationsBenign lymph node microenvironment is associated with response to immunotherapy
Toki MI, Kumar D, Ahmed FS, Rimm DL, Xu ML. Benign lymph node microenvironment is associated with response to immunotherapy. Precision Clinical Medicine 2020, 3: 44-53. PMID: 35693430, PMCID: PMC8985791, DOI: 10.1093/pcmedi/pbaa003.Peer-Reviewed Original ResearchBenign lymph nodesLymph nodesT cellsQuantitative immunofluorescenceBenign lymphPD-L1Immune checkpoint blockade therapyMultiplexed quantitative immunofluorescenceHigh expressionCheckpoint blockade therapyMacrophage marker expressionSignificant differencesCytotoxic markersBlockade therapyBenign findingsCancer patientsLymphoid tissueImmune surveillanceTreatment responsePostmortem examinationImmunotherapyProliferation indexSplenic tissueB cellsPatientsGlucosylsphingosine but not Saposin C, is the target antigen in Gaucher disease-associated gammopathy
Nair S, Bar N, Xu ML, Dhodapkar M, Mistry PK. Glucosylsphingosine but not Saposin C, is the target antigen in Gaucher disease-associated gammopathy. Molecular Genetics And Metabolism 2020, 129: 286-291. PMID: 32044242, PMCID: PMC8223251, DOI: 10.1016/j.ymgme.2020.01.009.Peer-Reviewed Original ResearchConceptsGaucher disease type 1Monoclonal gammopathyAntigenic targetsClonal immunoglobulinDisease type 1B cell activationAccumulation of glucosylceramideGD1 patientsImmunogenic lipidsMetabolic inflammationMultiple myelomaGD patientsHigh riskTarget antigenCell activationImmunoglobulin typeGammopathyType 1PatientsGenetic deficiencyAge-related phenotypesSaposin CClonal IgLysosomal glucocerebrosidaseGlcSph
2019
Mantle Cell Lymphoma With Mantle Zone Growth Pattern
Yuan J, Li S, Liu X, Su RJ, Chen M, Wu X, Zheng G, Smith LM, Wang L, Li Y, Liu C, Zhou J, Shen Q, Zhang L, Wang E, Xu ML, Pan Z. Mantle Cell Lymphoma With Mantle Zone Growth Pattern. American Journal Of Clinical Pathology 2019, 152: 132-145. PMID: 31140550, DOI: 10.1093/ajcp/aqz043.Peer-Reviewed Original ResearchConceptsMantle zone growth patternMantle cell lymphomaCell lymphomaHigher clinical stageOverall survivalPathologic featuresClinicopathologic dataClinical stageSuspicious morphologyClinical significanceCyclin D1Lymphoma cellsCell cytologyGrowth patternSignificant differencesPatientsLymphomaChemotherapyLymphCD5ImmunostainsCytologyCasesClinicopathologic and genetic characterization of nonacute NPM1-mutated myeloid neoplasms
Patel SS, Ho C, Ptashkin RN, Sadigh S, Bagg A, Geyer JT, Xu ML, Prebet T, Mason EF, Seegmiller AC, Morgan EA, Steensma DP, Winer ES, Wong WJ, Hasserjian RP, Weinberg OK. Clinicopathologic and genetic characterization of nonacute NPM1-mutated myeloid neoplasms. Blood Advances 2019, 3: 1540-1545. PMID: 31085507, PMCID: PMC6517660, DOI: 10.1182/bloodadvances.2019000090.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overDNA (Cytosine-5-)-MethyltransferasesDNA Methyltransferase 3AFemaleHumansMaleMiddle AgedMutationMyelodysplastic SyndromesNuclear ProteinsNucleophosminPrognosisProportional Hazards ModelsProtein Tyrosine Phosphatase, Non-Receptor Type 11Survival RateTumor Suppressor Protein p53ConceptsMyelodysplastic syndromeMyeloid neoplasmsDe novo acute myeloid leukemia (AML) patientsNovo acute myeloid leukemia patientsAcute myeloid leukemia patientsBone marrow blastsAggressive clinical courseStem cell transplantLimited case seriesShorter overall survivalMyeloid leukemia patientsIntensive therapeutic regimensTotal mutation countsMarrow blastsOverall survivalClinical courseCase seriesCell transplantMultivariable analysisTherapeutic regimensLeukemia patientsLarge cohortYounger agePatientsNormal karyotype
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
2016
Single agent blinatumumab as frontline therapy for an 85-year-old patient with B cell precursor acute lymphoblastic leukemia
Kim TK, Xu ML, Podoltsev NA, Prebet T, Barbarotta L, Amin K, Kasberg S, Roche K, Stahl M, Gore SD, Zeidan AM. Single agent blinatumumab as frontline therapy for an 85-year-old patient with B cell precursor acute lymphoblastic leukemia. Annals Of Hematology 2016, 95: 1895-1898. PMID: 27468851, PMCID: PMC10955604, DOI: 10.1007/s00277-016-2761-4.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsMeSH KeywordsAged, 80 and overAntibodies, BispecificAntineoplastic AgentsAntineoplastic Combined Chemotherapy ProtocolsBone MarrowBreast NeoplasmsCarcinoma, Transitional CellCytarabineFemaleHumansLymphoma, B-CellMercaptopurineMethotrexateNeoplasms, Second PrimaryPrecursor B-Cell Lymphoblastic Leukemia-LymphomaPrednisoneRemission InductionSalvage TherapyUrinary Bladder NeoplasmsVincristineAnterior Chamber Non-Hodgkin Lymphoma of the Iris Masquerading as Uveitis-Glaucoma-Hyphema Syndrome
Gauthier AC, Nguyen A, Munday WR, Xu ML, Materin MA. Anterior Chamber Non-Hodgkin Lymphoma of the Iris Masquerading as Uveitis-Glaucoma-Hyphema Syndrome. Ocular Oncology And Pathology 2016, 2: 230-233. PMID: 27843901, PMCID: PMC5091236, DOI: 10.1159/000445119.Peer-Reviewed Original Research
2015
Age cutoff for Epstein-Barr virus-positive diffuse large B-cell lymphoma–is it necessary
Ok CY, Ye Q, Li L, Manyam GC, Deng L, Goswami RR, Wang X, Montes-Moreno S, Visco C, Tzankov A, Dybkaer K, Zhang L, Abramson J, Sohani AR, Chiu A, Orazi A, Zu Y, Bhagat G, Richards KL, Hsi ED, Choi WW, van Krieken JH, Huh J, Ponzoni M, Ferreri AJ, Zhang S, Parsons BM, Xu M, Møller MB, Winter JN, Piris MA, Xu-Monette ZY, Medeiros LJ, Young KH. Age cutoff for Epstein-Barr virus-positive diffuse large B-cell lymphoma–is it necessary. Oncotarget 2015, 6: 13933-13945. PMID: 26101854, PMCID: PMC4546442, DOI: 10.18632/oncotarget.4324.Peer-Reviewed Original ResearchConceptsEpstein-Barr virus-positive diffuse large B-cell lymphomaDiffuse large B-cell lymphomaLarge B-cell lymphomaB-cell lymphomaYears of ageFrequent expressionOlder patientsAge cutoffMonoclonal B-cell proliferationArbitrary age cutoffsPoor performance statusGenetic featuresMore frequent expressionB cell proliferationPerformance statusYounger patientsClinicopathologic evidencePatient groupDLBCL patientsTreatment outcomesPatientsDLBCLGene expression profilingCD30Lymphoma
2014
A fatal case of primary cutaneous gamma–delta T‐cell lymphoma complicated by HLH and cardiac amyloidosis
Gibson JF, Kapur L, Sokhn J, Xu M, Foss FM. A fatal case of primary cutaneous gamma–delta T‐cell lymphoma complicated by HLH and cardiac amyloidosis. Clinical Case Reports 2014, 3: 34-38. PMID: 25678971, PMCID: PMC4317209, DOI: 10.1002/ccr3.142.Peer-Reviewed Original ResearchGamma-delta T-cell lymphomaT-cell lymphomaHemophagocytic lymphohistiocytosisCardiac amyloidosisPrimary cutaneous gamma-delta T-cell lymphomaCutaneous gamma-delta T-cell lymphomaSyndrome of feverFatal neoplasmMultiorgan failureFatal casesRapid deathRapid deteriorationLymphomaFirst caseAmyloidosisNovel mechanismCytopeniasLymphohistiocytosisPatientsFeverNeoplasmsSyndromeMarrow Assessment for Hemophagocytic Lymphohistiocytosis Demonstrates Poor Correlation With Disease Probability
Ho C, Yao X, Tian L, Li FY, Podoltsev N, Xu ML. Marrow Assessment for Hemophagocytic Lymphohistiocytosis Demonstrates Poor Correlation With Disease Probability. American Journal Of Clinical Pathology 2014, 141: 62-71. PMID: 24343738, DOI: 10.1309/ajcpmd5tjefoovbw.Peer-Reviewed Original ResearchConceptsFindings of hemophagocytosisHemophagocytic lymphohistiocytosisHistologic findingsProbability of HLHSecondary hemophagocytic lymphohistiocytosisCore biopsy specimenCore biopsy specimensDisease probabilityFisher's exact testElevated ferritinClinical suspicionMarrow assessmentHLH groupBiopsy specimenLaboratory criteriaBiopsy specimensMedical recordsHemophagocytosisExact testLymphohistiocytosisPatientsSignificant correlationAspiratesPoor correlationFindings