Epidural AbscessAbscessDiscitisEpidural SpaceSpinal DiseasesBrain AbscessLiver AbscessOsteomyelitisPsoas AbscessStreptococcus milleri GroupAbdominal AbscessLaminectomyLung AbscessAnesthesia, EpiduralDecompression, SurgicalStaphylococcal InfectionsCervical VertebraePasteurellaceae InfectionsFistulaLiver Abscess, AmebicMagnetic Resonance ImagingSpinal Cord DiseasesSpondylitisDrainageLiver Abscess, PyogenicDebridementAnti-Bacterial Agents