Featured Publications
Expression of CD30 as a biomarker to predict response to brentuximab vedotin
Xu ML, Acevedo-Gadea C, Seropian S, Katz SG. Expression of CD30 as a biomarker to predict response to brentuximab vedotin. Histopathology 2016, 69: 155-158. PMID: 26648051, PMCID: PMC7064871, DOI: 10.1111/his.12914.Peer-Reviewed Original ResearchEpithelioid trophoblastic tumor: comparative genomic hybridization and diagnostic DNA genotyping
Xu ML, Yang B, Carcangiu ML, Hui P. Epithelioid trophoblastic tumor: comparative genomic hybridization and diagnostic DNA genotyping. Modern Pathology 2008, 22: 232-238. PMID: 18820674, DOI: 10.1038/modpathol.2008.165.Peer-Reviewed Original ResearchMeSH KeywordsAdultCarcinoma, Squamous CellComparative Genomic HybridizationDiagnosis, DifferentialEndometrial NeoplasmsEpithelioid CellsFemaleGene Expression Regulation, NeoplasticGenetic TestingGenotypeGestational Trophoblastic DiseaseHumansItalyLung NeoplasmsMiddle AgedPregnancyUnited StatesUterine Cervical NeoplasmsConceptsEpithelioid trophoblastic tumorTrophoblastic tumorSquamous cell carcinomaUterine cervixComparative genomic hybridizationCommon squamous cell carcinomaChromosomal alterationsInvasive squamous cell carcinomaChorionic-type intermediate trophoblastGestational trophoblastic diseaseGenomic hybridizationDNA genotypingIntermediate trophoblastTrophoblastic diseaseAnatomic locationComparative genomic hybridization analysisTrophoblastic originTumorsGenomic hybridization analysisCervixNormal tissuesTrophoblastic natureConventional comparative genomic hybridizationCarcinomaChromosomal profile
2024
Liquid biopsy‐based circulating tumour (ct)DNA analysis of a spectrum of myeloid and lymphoid malignancies yields clinically actionable results
Mata D, Lee J, Shanmugam V, Marcus C, Schrock A, Williams E, Ritterhouse L, Hickman R, Janovitz T, Patel N, Kroger B, Ross J, Mirza K, Oxnard G, Vergilio J, Elvin J, Benhamida J, Decker B, Xu M. Liquid biopsy‐based circulating tumour (ct)DNA analysis of a spectrum of myeloid and lymphoid malignancies yields clinically actionable results. Histopathology 2024, 84: 1224-1237. PMID: 38422618, DOI: 10.1111/his.15168.Peer-Reviewed Original ResearchConceptsNon-Hodgkin's lymphomaPlasma-cell neoplasmsAcute myeloid leukemiaCirculating tumor DNAHodgkin lymphomaMyelodysplastic syndromeHaematopoietic neoplasmsNext-generation sequencingTissue-based NGSMaximum somatic allele frequencyFoundationOne Liquid CDxTherapy-resistant clonesRelevant genomic alterationsPositive percent agreementPotential clinical utilityLymphoid malignanciesTumor DNAMyeloid leukemiaPlasma-cellsTissue biopsiesGenomic alterationsPathogenic alterationsLiquid biopsyMolecular profilingTP53
2022
Mast 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
Secondary skin involvement in classic Hodgkin lymphoma: Results of an international collaborative cutaneous lymphoma working group study of 25 patients
Gru AA, Bacchi CE, Pulitzer M, Bhagat G, Kempf W, Robson A, Plaza JA, Pincus L, Raghavan S, Xu M, da Silva T, Salavaggione AL, Subtil A, Battistella M. Secondary skin involvement in classic Hodgkin lymphoma: Results of an international collaborative cutaneous lymphoma working group study of 25 patients. Journal Of Cutaneous Pathology 2021, 48: 1367-1378. PMID: 34089205, PMCID: PMC9555338, DOI: 10.1111/cup.14077.Peer-Reviewed Original ResearchConceptsClassic Hodgkin lymphomaSecondary skin involvementHodgkin's lymphomaCutaneous involvementSkin involvementComprehensive histopathologic evaluationStage IV diseaseNodular sclerosis typeLarge case seriesBoard-certified dermatopathologistClassic HLSkin disseminationMixed cellularityMost patientsCase seriesSclerosis typeImmunophenotypic featuresInfiltrative plaquesFirst diagnosisHistopathologic evaluationMultiple lesionsSkin lesionsSingle lesionLarge seriesClinical diagnosis
2020
Glucosylsphingosine 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
EBV-Positive Primary Large B-Cell Lymphoma: The Role of Immunohistochemistry and XPO1 in the Diagnosis of Mediastinal Lymphomas
Maracaja DLV, Puthenpura V, Pels SG, O’Malley D, Sklar JL, Finberg KE, Xu ML. EBV-Positive Primary Large B-Cell Lymphoma: The Role of Immunohistochemistry and XPO1 in the Diagnosis of Mediastinal Lymphomas. Applied Immunohistochemistry & Molecular Morphology 2019, 28: 725-730. PMID: 31789821, DOI: 10.1097/pai.0000000000000820.Peer-Reviewed Original ResearchMeSH KeywordsAdultBiomarkers, TumorDiagnosis, DifferentialEpstein-Barr Virus InfectionsHerpesvirus 4, HumanHigh-Throughput Nucleotide SequencingHumansImmunohistochemistryImmunophenotypingKaryopherinsLymphoma, Large B-Cell, DiffuseMaleMediastinal NeoplasmsMutationReceptors, Cytoplasmic and NuclearThymus NeoplasmsYoung AdultConceptsPrimary mediastinal large B-cell lymphomaEpstein-Barr virusLarge B-cell lymphomaB-cell lymphomaEBV positivityMediastinal lymphomaMediastinal large B-cell lymphomaMediastinal gray zone lymphomaGray zone lymphomaRole of immunohistochemistryClassical Hodgkin lymphomaEBV expressionMediastinal massTherapeutic optionsHodgkin's lymphomaClassic immunophenotypeLymphomaXPO1 mutationsMutational profilingPositivityNext-generation sequencingImmunophenotypeSomatic mutationsK mutationTumorsProapoptotic protein BIM as a novel prognostic marker in mantle cell lymphoma
Wang JD, Katz SG, Morgan EA, Yang DT, Pan X, Xu ML. Proapoptotic protein BIM as a novel prognostic marker in mantle cell lymphoma. Human Pathology 2019, 93: 54-64. PMID: 31425695, PMCID: PMC7038910, DOI: 10.1016/j.humpath.2019.08.008.Peer-Reviewed Original ResearchConceptsMantle cell lymphomaCell lymphomaAnn Arbor stage IIINovel independent prognostic factorAggressive B-cell lymphomasHigh Bim expressionAverage patient ageBim expressionIndependent prognostic factorLarge academic medical centerKi-67 indexNovel prognostic markerB-cell lymphomaAcademic medical centerCyclin D1 overexpressionHuman mantle cell lymphomaMCL cohortMIPI scoreProgressive diseaseComplete responseOverall survivalPatient agePrognostic factorsTumor cell survivalFemale ratioPhiladelphia chromosome‐negative acute leukemia in patients with chronic myeloid leukemia
Gong Z, Xu ML, Chen M, Cui W, Kantarjian HM, Cortes JE, Zhou T, Tang G, Wang W, Medeiros LJ, Hu S. Philadelphia chromosome‐negative acute leukemia in patients with chronic myeloid leukemia. American Journal Of Hematology 2019, 94: e256-e259. PMID: 31273842, DOI: 10.1002/ajh.25571.Peer-Reviewed Original ResearchAbnormal KaryotypeAdultAgedAged, 80 and overAntineoplastic Combined Chemotherapy ProtocolsBlast CrisisBone MarrowChromosome AberrationsDiagnosis, DifferentialDiagnostic ErrorsFemaleFollow-Up StudiesHumansLeukemia, Myelogenous, Chronic, BCR-ABL PositiveLeukemia, Myeloid, AcuteMaleMiddle AgedMyelodysplastic SyndromesNeoplasms, Second PrimaryPhiladelphia ChromosomeRetrospective StudiesYoung AdultClinicopathologic characteristics and novel biomarkers of aggressive B-cell lymphomas in the nasopharynx
Chen PH, Yang Y, O'Malley DP, Xu ML. Clinicopathologic characteristics and novel biomarkers of aggressive B-cell lymphomas in the nasopharynx. Annals Of Diagnostic Pathology 2019, 41: 129-135. PMID: 31247533, DOI: 10.1016/j.anndiagpath.2019.06.007.Peer-Reviewed Original ResearchConceptsB-cell non-Hodgkin lymphomaEBV-negative casesAggressive B-NHLPD-L1Peptide receptor radionuclide therapyAggressive B-cell lymphomasEBV-positive DLBCLEBV-positive patientsDisease-free intervalPrimary clinical outcomeYear of diagnosisEBV-positive casesReceptor radionuclide therapyExpression of SSTR2Non-Hodgkin lymphomaExpression of CD30Five yearsAvailable outcome dataB-cell lymphomaEBV negativityInitial therapyClinicopathologic characteristicsBetter prognosisCase seriesClinical outcomesMantle 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 physiciansPatients with common variable immunodeficiency with autoimmune cytopenias exhibit hyperplastic yet inefficient germinal center responses
Romberg N, Le Coz C, Glauzy S, Schickel JN, Trofa M, Nolan BE, Paessler M, Xu M, Lambert MP, Lakhani SA, Khokha MK, Jyonouchi S, Heimall J, Takach P, Maglione PJ, Catanzaro J, Hsu FI, Sullivan KE, Cunningham-Rundles C, Meffre E. Patients with common variable immunodeficiency with autoimmune cytopenias exhibit hyperplastic yet inefficient germinal center responses. Journal Of Allergy And Clinical Immunology 2018, 143: 258-265. PMID: 29935219, PMCID: PMC6400323, DOI: 10.1016/j.jaci.2018.06.012.Peer-Reviewed Original ResearchConceptsCommon variable immunodeficiencyVariable immunodeficiencyB cellsCommensal bacteriaIsotype-switched memory B cellsRegulatory T cell frequencyFollicular helper T cellsGC responseIsotype-switched antibodiesT cell frequenciesSubset of patientsT cell compartmentHelper T cellsPeripheral blood samplesMemory B cellsGerminal center responseB cell clonesAutoimmune cytopeniasGC hyperplasiaSerum endotoxemiaExcisional lymphAntibody responseT cellsMucosal microbiotaSomatic hypermutation frequenciesSmall Cell Variant of Intravascular Large B‐Cell Lymphoma: Highlighting a Potentially Fatal and Easily Missed Diagnosis
Rahmani M, Halene S, Xu ML. Small Cell Variant of Intravascular Large B‐Cell Lymphoma: Highlighting a Potentially Fatal and Easily Missed Diagnosis. BioMed Research International 2018, 2018: 9413015. PMID: 29850589, PMCID: PMC5903319, DOI: 10.1155/2018/9413015.Peer-Reviewed Case Reports and Technical NotesConceptsIntravascular large B-cell lymphomaB-cell lymphomaLarge B-cell lymphomaSmall cell morphologySmall cell variantCases of IVLBCLCell variantHodgkin's B-cell lymphomaRandom skin biopsySmall bowel biopsyHigh clinical suspicionLarge atypical cellsSmall cell lymphomaSmall blood vesselsBowel biopsyClinical suspicionLymph nodesRetrospective reviewClinicopathologic featuresSmall bowelPoor prognosisAtypical cellsFallopian tubeSkin biopsiesDifferential diagnosis
2016
A Rare Presentation of Rosai‐Dorfman Disease as a Breast Mass
Simmons NR, Xu ML, Tavassoli FA, Geisel J, Killelea B, Philpotts LE. A Rare Presentation of Rosai‐Dorfman Disease as a Breast Mass. The Breast Journal 2016, 22: 581-583. PMID: 27345754, DOI: 10.1111/tbj.12635.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
Institutional Review of Primary Non-Hodgkin Lymphoma of the Female Genital Tract
Ahmad AK, Hui P, Litkouhi B, Azodi M, Rutherford T, McCarthy S, Xu ML, Schwartz PE, Ratner E. Institutional Review of Primary Non-Hodgkin Lymphoma of the Female Genital Tract. International Journal Of Gynecological Cancer 2014, 24: 1250-1255. PMID: 25010039, PMCID: PMC8139417, DOI: 10.1097/igc.0000000000000201.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntineoplastic Combined Chemotherapy ProtocolsBleomycinCombined Modality TherapyCyclophosphamideCytarabineDiagnosis, DifferentialDoxorubicinFemaleGenital Neoplasms, FemaleGynecologic Surgical ProceduresHumansLymphoma, Non-HodgkinMiddle AgedPrednisolonePrednisonePregnancyPregnancy Complications, NeoplasticRetrospective StudiesSurvival AnalysisTeniposideVincristineYoung AdultConceptsNon-Hodgkin lymphomaFemale genital tractGenital tractGynecologic malignanciesPara-aortic lymph nodesPrimary non-Hodgkin lymphomaDiffuse large B-cell lymphomaYale-New Haven HospitalLarge B-cell lymphomaConcomitant radiation therapyRadical gynecologic surgeryCommon histologic typeOverall median survivalSingle institution experienceStem cell transplantationRare gynecologic malignancyDiagnosis of lymphomaAnn Arbor systemB-cell lymphomaWorld Health OrganizationMedian survivalRecurrent diseaseCombination chemotherapyMedian ageUterine corpusMarrow 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