Colitis, UlcerativeCrohn DiseaseDuodenoscopyColitisInflammatory Bowel DiseasesColonMesalamineIntestinal MucosaAminosalicylic AcidsProctocolectomy, RestorativeNod2 Signaling Adaptor ProteinColitis, IschemicDextran SulfateRectumColectomySulfasalazinePouchitisColitis, CollagenousIleostomyGastrointestinal AgentsColonoscopyTrinitrobenzenesulfonic AcidColonic PouchesColitis, MicroscopicIleumEnemaColitis, LymphocyticAnti-Inflammatory AgentsCholangitis, SclerosingAzathioprineBiopsyProctitisMegacolon, ToxicColon, SigmoidAdministration, RectalIleitisAnti-Inflammatory Agents, Non-SteroidalIntestinesPrednisoloneSigmoidoscopyCase-Control StudiesGenetic Predisposition to DiseasePaneth CellsSpecialties, NursingColonic NeoplasmsPeroxidaseInflammationColonic DiseasesHLA-B52 AntigenProctocolitisAntibodies, Antineutrophil CytoplasmicDefecationColon, TransverseFecesAcetylmuramyl-Alanyl-IsoglutamineReceptor-Interacting Protein Serine-Threonine Kinase 2EnterostomySeverity of Illness IndexProbioticsTumor Necrosis Factor-alphaDisease Models, AnimalTreatment OutcomeAdrenal Cortex HormonesAnal CanalDysentery, AmebicRectal DiseasesImmunosuppressive AgentsPyoderma GangrenosumIntestine, LargeAntibodies, MonoclonalFecal IncontinencePhenylhydrazinesPrecancerous ConditionsPolymorphism, Single NucleotideRemission InductionColorectal Neoplasms6-MercaptopurineProspective StudiesChronic DiseaseDiverticulum, ColonSulfapyridineAdministration, OralGranulomaAnastomosis, SurgicalDiarrheaRecurrencePhosphorothioate OligonucleotidesDouble-Blind MethodOxazoloneIntestine, SmallAminosalicylic AcidGenotypeSteroidsHistiocytosis, Sinus