Motion Preservation
A 38-year-old female office worker presents with 18 months of severe discogenic low back pain at L5-S1. MRI shows Pfirrmann grade IV disc degeneration with preserved disc height and a Modic Type 1 endplate change. She has no leg pain and has failed comprehensive conservative treatment including physical therapy and injections. She is interested in lumbar total disc replacement. Regarding lumbar disc arthroplasty indications and contraindications:
Mark each as TRUE or FALSE
Ideal candidates for lumbar total disc replacement (TDR) include patients with single-level discogen...
Absolute contraindications to lumbar TDR include: significant facet arthropathy, spondylolisthesis g...
Lumbar TDR is the preferred treatment for radiculopathy caused by disc herniation; the procedure eff...
Preoperative workup for TDR includes MRI (disc degeneration, facet status), CT (bony anatomy, facet ...
The Modic classification describes vertebral endplate signal changes on MRI: Type 1 (edema/inflammat...
Answer the questions to see explanations
Click T (True) or F (False) for each option