Stomach VolvulusColon, SigmoidSigmoid DiseasesIntestinal VolvulusSigmoid NeoplasmsOnchocerca volvulusStomachGastrointestinal TractOnchocerciasisDiverticulitis, ColonicIntestinal ObstructionOnchocercaDiverticulum, ColonColonic DiseasesIntestinal PerforationDigestive SystemColonoscopyColostomyColectomyColon, DescendingColonColonic NeoplasmsRectumSimuliidaeIvermectinCecal DiseasesIntestinal FistulaRadiography, AbdominalOnchocerciasis, OcularStomach NeoplasmsIntestine, LargeIntestinal MucosaDigestive System Physiological Phenomena46, XX Disorders of Sex DevelopmentGastrointestinal MotilityCecumMesenteric CystUpper Gastrointestinal TractGastrointestinal NeoplasmsBarium SulfateMicrofilariaSigmoidoscopyMesocolonDiverticulosis, ColonicProlapseGangreneStomach DiseasesRectal NeoplasmsAdenocarcinomaGastrointestinal HemorrhageLaparoscopyFatal OutcomeTomography, X-Ray ComputedIntestinal PolypsAbdominal PainGastrointestinal DiseasesPneumoperitoneumDiverticulitisAntigens, HelminthColonic PolypsCecal NeoplasmsColonic Diseases, FunctionalGastric MucosaIleumEnemaConstipationLower Gastrointestinal TractIntestine, SmallColon, TransverseCranial SinusesAppendiceal NeoplasmsActinomycosisMelenaIntestinesForeign BodiesColitis, IschemicAnastomosis, SurgicalColorectal NeoplasmsColitis, UlcerativeEndoscopyFilaricidesDigestive System AbnormalitiesDigestive System Surgical ProceduresNeoplasms, Multiple PrimaryTreatment OutcomeAdenomaStomach UlcerMansonelliasisDNA, HelminthAntibodies, HelminthEndoscopy, GastrointestinalDuodenumManometryIntrauterine Device MigrationVascular FistulaColon, AscendingIleal DiseasesMuscle, SmoothUrinary Tract InfectionsTorsion Abnormality