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Case 1: non-surgically treatment. (A) Lumbar MRI. (B) Lumbar CT plain scan. Left FJA is 23.97°; right FJA is 41.92°. (C) The sagittal CT of the lumbar spine. Height of anterior margins is 9.63 mm; height of posterior margins is 5.88 mm; height of middle margins is 9.24 mm. (D) Full length lateral X-ray of the spine. Roussouly classification type 2. CT, computed tomography; FJA, facet joint angle; MRI, magnetic resonance imaging.
