Myelodysplastic SyndromesMyeloproliferative DisordersJanus Kinase 2Primary MyelofibrosisMyelodysplastic-Myeloproliferative DiseasesPolycythemia VeraThrombocythemia, EssentialAnemia, RefractoryLeukemia, Myelomonocytic, ChronicReceptors, ThrombopoietinBone Marrow NeoplasmsAnemia, Refractory, with Excess of BlastsLeukemia, Myeloid, AcuteThrombocytosisSyndromeLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativeLeukemia, MyeloidBone MarrowLeukemia, Myelomonocytic, JuvenileAnemia, SideroblasticMutationChromosomes, Human, Pair 5Proto-Oncogene Proteins c-cblHematologic NeoplasmsSplenomegalyHematopoietic Stem CellsPrognosisAzacitidineLeukemiaLeukemia, Myelogenous, Chronic, BCR-ABL PositiveKaryotypingPhiladelphia ChromosomeBlast CrisisChromosome AberrationsBone Marrow DiseasesHematologyMonosomyPreleukemiaTreatment OutcomeMyeloid Progenitor CellsJanus KinasesDNA Mutational AnalysisThalidomideBone Marrow CellsMegakaryocyte Progenitor CellsMegakaryocytesSTAT5 Transcription FactorChromosomes, Human, Pair 7Disease ProgressionMegakaryocyte-Erythroid Progenitor CellsCell Transformation, NeoplasticPancytopeniaAnemia, AplasticMutation, MissenseCytogenetic AnalysisClonal EvolutionAcute DiseaseNeoplasms, Second PrimaryChromosome DeletionClassificationMyelopoiesisFusion Proteins, bcr-ablAmino Acid SubstitutionPoint MutationGranulocyte Precursor CellsDown SyndromeGene Knock-In TechniquesProtein Kinase InhibitorsAntineoplastic AgentsHematopoietic Stem Cell TransplantationCytogeneticsHematopoiesisNeoplasmsTrisomyProto-Oncogene ProteinsAntigens, CD34Antimetabolites, AntineoplasticTranslocation, GeneticCell ProliferationChromosomes, Human, Pair 8Survival AnalysisRetrospective StudiesErythropoietinPhenotypeCohort StudiesIron OverloadBone Marrow ExaminationBlood Cell CountChromosomes, Human, Pair 20Case-Control StudiesErythrocyte TransfusionExonsTransplantation, HomologousSurvival RateIn Situ Hybridization, FluorescenceHematologic DiseasesHematologic AgentsCore Binding Factor Alpha 2 SubunitGranulocytesBone Marrow Transplantation