Intestinal ObstructionIleal DiseasesBezoarsAirway ObstructionJejunal DiseasesIntussusceptionIntestinal AtresiaDuodenal ObstructionMesenteric CystUreteral ObstructionMeconiumColonic DiseasesMeckel DiverticulumLaparotomyHirschsprung DiseaseTissue AdhesionsIleal NeoplasmsCecal DiseasesHerniaIleusIntestinal Pseudo-ObstructionHernia, AbdominalIntestinal VolvulusTuberculosis, GastrointestinalRadiography, AbdominalDuodenal DiseasesIntestine, SmallIleocecal ValveDigestive System Surgical ProceduresLipomaIleumMesocolonIntestinal PerforationColon, SigmoidFecal ImpactionJejunal NeoplasmsAbdomen, AcuteAbdominal PainUrinary Bladder Neck ObstructionUrethral ObstructionColon, AscendingNasal ObstructionEntomophthoralesVitelline DuctGastric Outlet ObstructionEnemaForeign BodiesPeritoneal DiseasesIntestinal FistulaHernia, ObturatorIntestinal DiseasesColaIleostomyVentricular Outflow ObstructionCecal NeoplasmsPetrolatumGangreneColonic Pseudo-ObstructionJejunumDuodenostomySurgical SpongesAscariasisDiverticulumBarium SulfateSuperior Mesenteric Artery SyndromeIntestine, LargeVomitingColostomyAscaris lumbricoidesAbdominal NeoplasmsTreatment OutcomePostoperative ComplicationsDiospyrosLaparoscopyDigestive System AbnormalitiesTomography, X-Ray ComputedAnastomosis, SurgicalCystic FibrosisDuodenumAbdomenSclerosisLacrimal Duct ObstructionJejunostomyHerniorrhaphyInfant, NewbornInfant, Newborn, DiseasesEnteritisPelvic NeoplasmsConstipationIntubation, GastrointestinalAppendicitisNigeriaRetrospective StudiesRectumColectomyIntestinal NeoplasmsBrunner GlandsConstriction, PathologicAcute DiseasePeritonitis