Myelodysplastic SyndromesAnemia, RefractoryAnemia, Refractory, with Excess of BlastsAnemiaSyndromeLeukemia, Myeloid, AcuteLeukemia, Myelomonocytic, ChronicAnemia, AplasticAnemia, SideroblasticLeukemia, MyeloidChromosomes, Human, Pair 5Bone MarrowAzacitidineKaryotypingChromosome AberrationsThalidomideMonosomyMyeloproliferative DisordersPreleukemiaTreatment OutcomePancytopeniaAnemia, MacrocyticMyelodysplastic-Myeloproliferative DiseasesPrognosisChromosomes, Human, Pair 7Acute DiseaseBlast InjuriesCytogenetic AnalysisAnemia, HemolyticBone Marrow CellsFanconi AnemiaLeukemiaErythropoietinGranulocyte Precursor CellsChromosome DeletionHematopoietic Stem Cell TransplantationBone Marrow DiseasesIron OverloadErythrocyte TransfusionNeoplasms, Second PrimaryAntimetabolites, AntineoplasticCytarabineAnemia, Hemolytic, AutoimmuneRemission InductionBlood TransfusionSurvival AnalysisCytogeneticsTrisomyHematopoietic Stem CellsTransplantation, HomologousAntineoplastic AgentsThrombocytopeniaHematologic AgentsAntigens, CD34Blood Cell CountAnemia, HypochromicMutationChelation TherapySurvival RateBone Marrow ExaminationRecurrenceHematinicsRetrospective StudiesVidarabineHematopoiesisTransplantation ConditioningAnemia, PerniciousHematologic DiseasesDown SyndromeDisease ProgressionHemoglobinsGranulocyte Colony-Stimulating FactorBlast CrisisAntineoplastic Combined Chemotherapy ProtocolsErythropoiesisMetabolic Syndrome XErythroid Precursor CellsIn Situ Hybridization, FluorescenceRisk FactorsBone Marrow TransplantationPrimary MyelofibrosisFlow CytometryAnemia, Sickle CellLeukemia, Myelogenous, Chronic, BCR-ABL PositiveErythroblastsChromosomes, Human, Pair 8Core Binding Factor Alpha 2 SubunitSweet SyndromeChromosome DisordersAntilymphocyte SerumTranslocation, GeneticDrug Administration ScheduleFollow-Up StudiesImmunophenotypingRefractory Period, ElectrophysiologicalLeukemia, Myelomonocytic, AcuteHematologic NeoplasmsFatal OutcomeKaryotypeAnemia, Diamond-Blackfan