Epidural AbscessAbscessDiscitisEpidural SpaceSpinal DiseasesBrain AbscessLiver AbscessSpinal CordOsteomyelitisPsoas AbscessStreptococcus milleri GroupLaminectomyAbdominal AbscessLung AbscessAnesthesia, EpiduralSpinal Cord InjuriesCervical VertebraeSpinal Cord DiseasesDecompression, SurgicalStaphylococcal InfectionsMagnetic Resonance ImagingPasteurellaceae InfectionsSpinal Cord CompressionFistulaLiver Abscess, AmebicSpondylitisThoracic VertebraeDrainageLiver Abscess, PyogenicDebridementAnti-Bacterial AgentsAnalgesia, Epidural