Journal of Turkish Spinal Surgery, cilt.36, sa.4, ss.144-147, 2025 (Scopus, TRDizin)
Objective: Facet joint osteoarthritis (FJO) is a prominent condition among the degenerative spinal pathologies and is recognized as one of the key causes of chronic low back pain (LBP). Multifidus fatty atrophy (MFA) occurs as an effect of muscle degeneration, with the muscle tissue being replaced by the formation of surrounding adipose tissue. The aim of this study is to investigate the association between FJO and MFA. The study aims to demonstrate that FJO is more than just a cartilage-related issue in the facet joint, which suggests more extensive clinical implications. Materials and Methods: A retrospective study was conducted based on the review of magnetic resonance imaging (MRI) scans collected between April 2021 and September 2021 in a population of 79 patients experiencing chronic LBP FJO and MFA parameters were evaluated at the L4-L5 level using MRI. T2-weighted high-resolution axial images were acquired. Two experienced clinicians examined image sets individually. Results: The relationship between FJO and MFA was assessed using the Kappa coefficient. The statistical analysis confirmed a moderate yet significant association between the two conditions (p<0.05, Kappa=0.234). Conclusion: The findings indicate that analysis of the multifidus muscle should not be ignored in the diagnosis of facet joint disease. A broader approach to diagnosis that includes both FJO and MFA will provide more accurate and improved therapeutic outcomes in patients with chronic LBP.