Myelodysplastic SyndromesAnemia, RefractoryAnemia, Refractory, with Excess of BlastsPractice Guidelines as TopicSyndromeLeukemia, Myelomonocytic, ChronicGuideline AdherenceLeukemia, Myeloid, AcuteChromosomes, Human, Pair 5Leukemia, MyeloidGuidelines as TopicAzacitidineAnemia, SideroblasticBone MarrowChromosome AberrationsKaryotypingMonosomyThalidomideTreatment OutcomePreleukemiaMyeloproliferative DisordersMyelodysplastic-Myeloproliferative DiseasesMedical OncologyPancytopeniaAnemia, AplasticChromosomes, Human, Pair 7Cytogenetic AnalysisPrognosisAcute DiseaseBone Marrow CellsLeukemiaChromosome DeletionGranulocyte Precursor CellsNeoplasms, Second PrimaryBone Marrow DiseasesHematopoietic Stem Cell TransplantationIron OverloadTrisomyAntimetabolites, AntineoplasticErythrocyte TransfusionCytogeneticsHematologic AgentsSurvival AnalysisTransplantation, HomologousChelation TherapyHematopoietic Stem CellsBlood TransfusionErythropoietinUnited StatesAntigens, CD34Down SyndromeNeoplasm StagingMetabolic Syndrome XRetrospective StudiesRemission InductionCytarabineBlast CrisisTransplantation ConditioningThrombocytopeniaSurvival RateBone Marrow ExaminationHematopoiesisBlood Cell CountMutationVidarabineIn Situ Hybridization, FluorescenceDisease ProgressionSweet SyndromeRisk FactorsAnemia, MacrocyticGranulocyte Colony-Stimulating FactorAntineoplastic AgentsHematologic DiseasesAnemiaChromosomes, Human, Pair 8Core Binding Factor Alpha 2 SubunitBreast NeoplasmsChromosome DisordersHaploinsufficiencyKaryotypeErythroid Precursor CellsTranslocation, GeneticHematinicsHematologic NeoplasmsIron Chelating AgentsChromosomes, Human, Pair 20Primary MyelofibrosisFlow CytometryLeukemia, Myelomonocytic, AcuteErythroid CellsRecurrenceBone Marrow TransplantationErythroblastsImmunophenotypingDNA Modification MethylasesHemoglobinuria, ParoxysmalFatal OutcomeAntilymphocyte SerumBusulfanIsochromosomes