AbscessBrain AbscessLiver AbscessAbdominal AbscessLung AbscessIncidenceEpidural AbscessPsoas AbscessLiver Abscess, AmebicLiver Abscess, PyogenicRetropharyngeal AbscessPeriapical AbscessPeritonsillar AbscessDrainageSubphrenic AbscessPeriodontal AbscessSuppurationSplenic DiseasesRetrospective StudiesRisk FactorsFusobacterium InfectionsBacteroides InfectionsTreatment OutcomeFusobacterium necrophorumAnti-Bacterial AgentsProspective StudiesTomography, X-Ray ComputedEntamoeba histolyticaBartholin's GlandsSuctionDiscitisTime FactorsFollow-Up StudiesStaphylococcal InfectionsCellulitisPostoperative ComplicationsCohort StudiesActinomycosisKlebsiella InfectionsNocardia InfectionsInfant, NewbornProstatic DiseasesAge DistributionTuberculosis, HepaticBacteroides fragilisRadiography, AbdominalRegistriesOsteomyelitisFusobacteriumOvarian DiseasesKlebsiella pneumoniaeTuberculosis, SpinalStreptococcal InfectionsPelvic InfectionPancreatic DiseasesCutaneous FistulaEntamoebiasisSex DistributionPeptostreptococcusEmpyemaPrevalenceAppendicitisStaphylococcus aureusRecurrenceUnited StatesMagnetic Resonance ImagingOrbital DiseasesPharyngeal DiseasesRectal FistulaBacterial InfectionsStreptococcus milleri GroupTuberculoma, IntracranialIntestinal FistulaFatal OutcomeNeoplasmsAbdomenRisk AssessmentEndocarditis, BacterialSoft Tissue InfectionsRupture, SpontaneousBacteria, AerobicPopulation SurveillanceVulvar DiseasesSkin Diseases, BacterialAppendectomyDebridementForeign BodiesSkin Diseases, InfectiousJapanFistulaAcute Disease