alexa Orientation and tropism of lumbar facet joints in degenerative spondylolisthesis.


General Medicine: Open Access

Author(s): Dai LY

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Abstract The orientation and tropism of the lumbar facet joints at L4-5 level was assessed by magnetic resonance imaging (MRI) in 53 patients with degenerative L4-5 spondylolisthesis and 53 age- and sex-matched normal control subjects. The degree of disc degeneration at the L4-5 level and of vertebral slip on lateral radiographs was also evaluated. Patients with degenerative spondylolisthesis had more sagittally orientated facet joints (P < 0.01) and more significant facet joint tropism (P < 0.05) than normal control subjects. For patients with degenerative spondylolisthesis, the facet joint tropism was significantly correlated with the degree of disc degeneration (P < 0.05). The results suggest that morphological abnormalities of the lumbar facet joints are a predisposing factor in the development of degenerative spondylolisthesis.
This article was published in Int Orthop and referenced in General Medicine: Open Access

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