Myeloproliferative DisordersMyelodysplastic SyndromesPolycythemia VeraPrimary MyelofibrosisJanus Kinase 2Thrombocythemia, EssentialThrombocytosisLeukemia, Myelomonocytic, ChronicReceptors, ThrombopoietinLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativeSplenomegalyHematopoiesis, ExtramedullaryLeukemia, Myelogenous, Chronic, BCR-ABL PositiveLeukemia, Neutrophilic, ChronicBone MarrowLeukemia, Myelomonocytic, JuvenileAnemia, Refractory, with Excess of BlastsLeukemia, MyeloidHematopoietic Stem CellsMyelodysplastic-Myeloproliferative DiseasesLeukemia, Myeloid, AcuteLeukemia, Megakaryoblastic, AcuteGranulocytesAnemia, RefractoryMegakaryocytesDown SyndromeFusion Proteins, bcr-ablMutationReceptor, Fibroblast Growth Factor, Type 1Chromosomes, Human, Pair 5PolycythemiaTranslocation, GeneticHepatomegalyChromosomes, Human, Pair 8Hypereosinophilic SyndromeLeukocytosisHematopoiesisBlast CrisisThrombopoietinChromosomes, Human, Pair 20Bone Marrow CellsOncogene Proteins, FusionMutation, MissenseBudd-Chiari SyndromeGenes, ablHydroxyureaLeukemiaMyelopoiesisColony-Forming Units AssayX Chromosome InactivationKaryotypingBipolar DisorderPlatelet CountBenzamidesBlood Cell CountBone Marrow NeoplasmsHematologic DiseasesChronic DiseaseMyeloid Progenitor CellsChromosome AberrationsDNA Mutational AnalysisGATA1 Transcription FactorMental DisordersMyeloid CellsPhiladelphia ChromosomePyrimidinesHydrops FetalisPiperazinesErythroid Precursor CellsPoint MutationJanus KinasesHematologic NeoplasmsChromosomes, Human, XAnxiety DisordersAnemia, SideroblasticMood DisordersGene Expression Regulation, LeukemicCell Transformation, NeoplasticBone Marrow TransplantationProto-Oncogene ProteinsCore Binding Factor Alpha 2 SubunitIn Situ Hybridization, FluorescenceProtein-Tyrosine KinasesAntigens, CD34Chromosomes, Human, Pair 13ErythropoietinValineAmino Acid SubstitutionClone CellsChromosome DisordersReceptor, Platelet-Derived Growth Factor betaPhenotypeReceptors, Fibroblast Growth FactorPolymerase Chain ReactionSplenectomySignal TransductionLeukocyte CountNeurofibromin 1Disease ProgressionChromosomes, Human, Pair 9