Lead RadioisotopesPeritoneal NeoplasmsAbscessPeritoneal DiseasesBrain AbscessLiver AbscessAbdominal AbscessLung AbscessEpidural AbscessPsoas AbscessLiver Abscess, AmebicLiver Abscess, PyogenicPeriapical AbscessRetropharyngeal AbscessPeritonsillar AbscessDrainageSubphrenic AbscessPeriodontal AbscessTunica IntimaSuppurationTomography, X-Ray ComputedSplenic DiseasesMagnetic Resonance ImagingImage EnhancementFusobacterium InfectionsContrast MediaTime FactorsPleural DiseasesBacteroides InfectionsFusobacterium necrophorumAnti-Bacterial AgentsEntamoeba histolyticaBartholin's GlandsCarotid ArteriesDisease Models, AnimalDiscitisTunica MediaSuctionCellulitisStaphylococcal InfectionsGadolinium DTPARadiography, AbdominalActinomycosis