PMC7490633_01
A. Anteroposterior and lateral radiographs showing a flexion-distraction injury at T12-L1 and L1 unstable burst fracture.. B. Posterior displacement of L1 body fracture fragment with compression of conus medullaris in MRI and CT.
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There was no CSF leakage during decompression. (Fig. 1, Fig. 2) One week after surgery, the patient began to sit with a thoraco-lumbo-sacral orthosis.
Conus medullaris and cauda equina presented characteristics of adhesive arachnoiditis (matted, clumped, empty thecal sac).
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Postoperative MRI was performed, which showed that the conus medullaris and cauda equina presented novel characteristics of adhesive arachnoiditis (matted, clumped, empty thecal sac) at the L1 level (Fig. 3).