- diffuse leptomeningeal thickening and enhancement with thickening and enhancement of the cauda aquina nerve roots
- an inflammatory process seen at L4-5 inter-spinous joint with an intramuscular abscess collection
- an extensive inflammatory process involving the lower sacral and coccygeal segments with vertebral osteomylities, associated with adjacent intraspinal and extra-spinal abscesses. The extra-spinal abscess extends through a sinus tract to the skin surface.