Presentation
Long standing low back pain and no recent history of trauma.
Patient Data
Defect of the pars interarticularis of L4 with a mild forward slippage of that vertebra in relation to L5. Defect of the pars interarticularis of L2 with no slippage seen.
Defect of the pars interarticularis of L4 (blue arrow) with a mild forward slippage of that vertebra in relation to L5 (red lines). Defect of the pars interarticularis of L2 (green arrow) with no slippage seen (black lines).
Case Discussion
This case is simply intended to clearly show the difference between spondylolysis and spondylolisthesis being seen in the same patient.