AbscessPalatine TonsilBrain AbscessLiver AbscessAbdominal AbscessLung AbscessEpidural AbscessPsoas AbscessLiver Abscess, AmebicLiver Abscess, PyogenicAdenoidsPeriapical AbscessRetropharyngeal AbscessPeritonsillar AbscessTonsillitisTonsillectomyDrainageSubphrenic AbscessPeriodontal AbscessSuppurationSplenic DiseasesAdenoidectomyFusobacterium InfectionsLymphoid TissuePharyngeal DiseasesBacteroides InfectionsFusobacterium necrophorumEntamoeba histolyticaBartholin's GlandsDiscitisTomography, X-Ray ComputedAnti-Bacterial AgentsSuctionCellulitisB-LymphocytesArnold-Chiari MalformationActinomycosisStaphylococcal InfectionsNocardia InfectionsKlebsiella InfectionsProstatic DiseasesArcanobacteriumStreptococcal InfectionsTuberculosis, HepaticAppendixBacteroides fragilisRadiography, AbdominalFusobacteriumAbattoirsOsteomyelitisKlebsiella pneumoniaePelvic InfectionOvarian DiseasesTuberculosis, SpinalLymphadenitisEntamoebiasisCutaneous FistulaPeptostreptococcusSwine DiseasesImmunoglobulin DMouth BreathingStaphylococcus aureusMagnetic Resonance ImagingGerminal CenterPancreatic DiseasesForamen MagnumHypertrophyStreptococcus milleri GroupSwineRetrospective StudiesEmpyemaTreatment OutcomeTuberculoma, IntracranialRectal FistulaOrbital DiseasesLymph NodesTongueVulvar DiseasesBacteria, AerobicIntestinal FistulaAppendicitisPharynxNeckB-Lymphocyte Subsets