Colitis, UlcerativeMesalamineRemission InductionAminosalicylic AcidsColitisGastrointestinal AgentsCrohn DiseaseEnemaColonSulfasalazineInflammatory Bowel DiseasesIntestinal MucosaSigmoidoscopyRemission, SpontaneousPrednisoloneTreatment OutcomeCytapheresisAdjuvants, PharmaceuticCytarabineLeukapheresisAdministration, RectalAnti-Inflammatory AgentsRectumAsparaginaseColonoscopyAnti-Inflammatory Agents, Non-SteroidalDouble-Blind MethodDaunorubicinPrecursor Cell Lymphoblastic Leukemia-Lymphoma6-MercaptopurineAdministration, OralLeukemia, Myeloid, AcuteAdrenal Cortex HormonesMethotrexateVincristineSeverity of Illness IndexProctocolectomy, RestorativeAntineoplastic Combined Chemotherapy ProtocolsThioguanineColitis, IschemicIdarubicinDextran SulfatePouchitisColectomyPrednisoneRecurrenceAcute DiseaseAntibodies, MonoclonalLeukemia, MyeloidLeukemia, LymphoidColitis, CollagenousIleostomyPrognosisEnzyme InductionDose-Response Relationship, DrugCyclophosphamideDisease-Free SurvivalTrinitrobenzenesulfonic AcidNeoplasm, ResidualColonic PouchesLeukemia, Promyelocytic, AcuteTime FactorsColitis, MicroscopicBone MarrowLeukemiaDrug Administration ScheduleEtoposideDoxorubicinFollow-Up StudiesDrug Therapy, CombinationBlast CrisisBone Marrow TransplantationAzathioprineCombined Modality TherapySurvival AnalysisLeukocyte CountColitis, LymphocyticClinical Trials as TopicAntineoplastic AgentsProctitisCholangitis, SclerosingPlatelet CountDisseminated Intravascular CoagulationRetrospective StudiesMegacolon, ToxicProspective StudiesColon, SigmoidIleitisBiopsySurvival RateIleumInjections, SpinalImmunosuppressive AgentsDexamethasoneTransplantation, HomologousHematopoietic Stem Cell TransplantationRNA, MessengerColonic NeoplasmsAntibodies, Antineutrophil CytoplasmicPeroxidase