ColonBiopsyColitis, UlcerativeColitis, MicroscopicIntestinal MucosaColitis, LymphocyticColonic DiseasesCrohn DiseaseInflammatory Bowel DiseasesColonoscopyBrachyspiraColitisBiopsy, NeedleColonic NeoplasmsDiarrheaImmunohistochemistryColonic PolypsImage-Guided BiopsyGastrointestinal TransitColonic Pseudo-ObstructionBiopsy, Large-Core NeedleDiverticulosis, ColonicGastrointestinal MotilityBiopsy, Fine-NeedleRectumDiverticulitis, ColonicDextran SulfateSentinel Lymph Node BiopsyAzoxymethaneColonic Diseases, FunctionalTrinitrobenzenesulfonic AcidDiverticulum, ColonDefecationColon, SigmoidConstipationAdenomaAdenocarcinomaPrecancerous ConditionsDimethylhydrazinesRetrospective StudiesColitis, IschemicSensitivity and SpecificityFecesEnema1,2-DimethylhydrazineMucinsIntestinal PolypsColectomyEpitheliumColonic PouchesCecumLactuloseEpithelial CellsTime FactorsCaco-2 CellsIntestinal ObstructionFatty Acids, VolatileMucin-2Colorectal NeoplasmsIntestine, LargeHT29 CellsIleumRNA, MessengerSigmoid DiseasesIntestinesDuodenumIntestine, SmallPredictive Value of TestsTomography, X-Ray ComputedCitrobacter rodentiumVacuumProstateFalse Negative ReactionsAnastomosis, SurgicalPolymerase Chain ReactionCatharticsProstatic NeoplasmsMuscle, SmoothMethylhydrazinesImmunoenzyme TechniquesSkinBarium SulfateStomachBronchoscopyReproducibility of ResultsReverse Transcriptase Polymerase Chain ReactionTreatment OutcomeAdenomatous Polyposis Coli