Adult patients who were planned for lumbar facet joint medial branch nerve Radiofrequency ablation under fluoroscopic guidance because of facet joint-originated chronic lower back pain will be included in this study. Pain scores (Numerical Rating Scale and Oswestry Disability Index) will be recorded before and one month after the intervention. The morphology of the transverse processes and the facet joints (sizes and angles) will be evaluated using the computer tomography images that patients have in routine examination process. The possible relationship between the success rate of the procedure and the morphology of the transverse processes will be assessed by statistical analysis.
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Numerical Rating Scale (NRS)
Timeframe: One month