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Fig. 3 | BMC Musculoskeletal Disorders

Fig. 3

From: Percutaneous transforaminal endoscopic decompression with removal of the posterosuperior region underneath the slipping vertebral body for lumbar spinal stenosis with degenerative lumbar spondylolisthesis: a retrospective study

Fig. 3

Pre- and postoperative MRI. (A) Preoperative MRI showed that DLS caused a posterosuperior protruded compression underneath the slipping vertebral body in the lumbar spinal canal, forming a stepped shape (white arrow). (D) The central spinal canal stenosis, foraminal stenosis and lateral recess stenosis (white circle). (B, E) On the third day after operation, the MRI revealed the PRSVB were fully removed (white arrow), and lateral recess, foramen and the central spinal canal were enlarged (white circle). (C, F) The MRI examination showed no evidence of significant further compression at the twelve months after surgery

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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