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Fig. 1 | BMC Musculoskeletal Disorders

Fig. 1

From: Comparison of degenerative lumbar spondylolisthesis and isthmic lumbar spondylolisthesis: effect of pedicle screw placement on proximal facet invasion in surgical treatment

Fig. 1

A The left and right pedicle screws did not invade the facet joint, grade 0. B The left screw contacted or was suspected to have invaded the joint, grade 1. The right pedicle screw did not invade the facet joint, grade 0. C The right screw contacted or was suspected to have invaded the joint, grade 1. The left screw clearly invaded the facet joint, grade 2

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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