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- Sombat Kunakornsawat, Kitipod Ngamlamaidt, Rachata Tungsiripat, and Thavat Prasartritha.
- Center of Excellence in Orthopedics, Lerdsin Hospital, Bangkok, Thailand.
- J Med Assoc Thai. 2007 Jul 1;90(7):1337-41.
Summary Of Background DataThe association between the facet tropism and the development of lumbar disc herniation has been studied; however the results remain controversial.ObjectiveTo determine the association between the facet tropism and the development of lumbar disc herniation.Study DesignA cross-sectional study.Material And MethodMRI of 34 patients with lumbar disc herniation was evaluated. Two orthopedic surgeons measured facet joint angle and determined the degenerative status of L3-4, L4-5, and L5-SI. Facet tropism was defined as the difference between the angle of the right and left facet more than 5 degrees.ResultsThe average difference of facet joint angle of HNP group was higher than normal group in the same level. There was no statistically significant correlation between the facet tropism and lumbar disc herniation.ConclusionThese results do not indicate any relationship between the facet tropism and lumbar disc herniation.
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