21-year-old female with history of IV drug through presents with back pain and new right foot drop. For the purposes of numbering, there are 5 lumbar type vertebral bodies. The lumbar spine is in normal alignment, with a normal lumbar lordosis. The vertebral body and disk heights are well-maintained. No focal marrow signal abnormality is appreciated. The conus medullaris on sagittal imaging is grossly intact. There is desiccation involving the L4-L5 disc. There is a Schmorl's node noted within the inferior endplate of the L4 vertebral body. There is no significant compromise to the spinal canal or neural foramina at any level of the lumbar spine. There are no significant inflammatory changes or fluid collections involving the epidural or paraspinous soft tissues. No abnormal enhancement in the spine or paraspinous soft tissues.
1. No evidence of epidural abscess or discitis-osteomyelitis. 2. No significant spinal canal or neuroforaminal stenosis at any level.3. Early degenerative changes at L4-L5 with disc desiccation and small Schmorl's node.