 The last well formed disk space is referred to as L5-S1. There is normal alignment. The osseous marrow signal is within normal limits. The vertebral body heights are intact. There is desiccation of the L5-S1 disk space with mild loss of disk height. The conus terminates at L1-2.T12-L1: No disk herniation or spinal stenosis.L1-2: No disk herniation or spinal stenosis.L2-3: No disk herniation or spinal stenosis.L3-4: No disk herniation or spinal stenosis.L4-5: No disk herniation or spinal stenosis.L5-S1: Mild disk bulge with no spinal stenosis. Small 4-mm left facet joint synovial cyst projecting laterally and external to spinal canal.
Mild discogenic degenerative changes at L5-S1. No lumbar spinal stenosis.