Spondylosis, Spondylolisthesis and Spondylolysis …..

These three terms are often encountered in spinal problems. While they sound similar, they refer to slightly different things. They all derive from the Greek word for spine – spondylos.

Spondylosis refers to degenerative changes in the spine. Spondylolisthesis refers to forward slipping of one vertebra on the other. Spondylolysis refers to a defect in the vertebral bone (pars defect).

To confuse things further, a spondylolysis can cause a spondylolisthesis…..

For professional advice and interpretation of your scans, please seek neurosurgical review.