Epidural AbscessAbscessLow Back PainDiscitisBack PainEpidural SpaceSpinal DiseasesBrain AbscessLiver AbscessOsteomyelitisPsoas AbscessStreptococcus milleri GroupLaminectomyAbdominal AbscessAnesthesia, EpiduralPainLung AbscessDecompression, SurgicalStaphylococcal InfectionsCervical VertebraeChronic PainPain MeasurementPasteurellaceae InfectionsMagnetic Resonance ImagingLumbar VertebraeSpondylitisSpinal Cord DiseasesFistulaLiver Abscess, AmebicBackPain ManagementThoracic VertebraeDrainageDebridementLiver Abscess, PyogenicAnti-Bacterial AgentsAnalgesia, EpiduralSpinal Cord Compression