Epidural AbscessAbscessDiscitisBrain AbscessEpidural SpaceLiver AbscessSpinal DiseasesPsoas AbscessAbdominal AbscessLung AbscessOsteomyelitisStreptococcus milleri GroupLiver Abscess, AmebicLiver Abscess, PyogenicLaminectomyAnesthesia, EpiduralStaphylococcal InfectionsDecompression, SurgicalCervical VertebraePeriapical AbscessRetropharyngeal AbscessMagnetic Resonance ImagingDrainagePasteurellaceae InfectionsFistulaPeritonsillar AbscessSpondylitisSpinal Cord DiseasesAnti-Bacterial AgentsDebridement