Epidural AbscessBrain InjuriesAbscessDiscitisEpidural SpaceSpinal DiseasesBrain AbscessLiver AbscessOsteomyelitisPsoas AbscessStreptococcus milleri GroupAbdominal AbscessLaminectomyLung AbscessAnesthesia, EpiduralDecompression, SurgicalStaphylococcal InfectionsCervical VertebraeMagnetic Resonance ImagingPasteurellaceae InfectionsFistulaLiver Abscess, AmebicSpinal Cord DiseasesSpondylitisDrainageLiver Abscess, PyogenicAnti-Bacterial AgentsDebridement