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  • Title: The orientation of facet joints and transverse articular dimension in degenerative spondylolisthesis.
    Author: Tassanawipas W, Chansriwong P, Mokkhavesa S.
    Journal: J Med Assoc Thai; 2005 Nov; 88 Suppl 3():S31-4. PubMed ID: 16862673.
    Abstract:
    OBJECTIVES: To determine whether the orientation of facet joints, facet tropism and transverse articular dimension could play a role in degenerative spondylolisthesis. MATERIAL AND METHOD: MRI study of L4-5 level of twenty degenerative spondylolisthesis and age-matched twenty control group were included. The orientation of facet joints, transverse articular dimension (TAD) and cosine facet orientation of TAD were measured with two independent observers. RESULTS: The facet orientation of more than 43 degrees and cosine facet orientation of TAD less than 7.4 were statistically significant for developing degenerative spondylolisthesis (p < 0.05). CONCLUSION: The facet orientation of degenerative spondylolisthesis patients was more sagittal orientation than the the control group, and the cosine facet orientation of TAD was also less than the control group.
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