Epidural AbscessAbscessEpidural SpaceDiscitisSpinal DiseasesStaphylococcus aureusOsteomyelitisStaphylococcal InfectionsDecompression, SurgicalSpinal Cord DiseasesStaphylococcusBrain AbscessMagnetic Resonance ImagingAnti-Bacterial AgentsLiver AbscessSpinal CordPsoas AbscessStaphylococcus epidermidisStreptococcus milleri GroupLaminectomyAbdominal AbscessLung AbscessAnesthesia, EpiduralSpinal Cord InjuriesCervical VertebraeMethicillin ResistanceMethicillin-Resistant Staphylococcus aureus