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Fig. 2 | BMC Musculoskeletal Disorders

Fig. 2

From: Factors associated with non-fusion after direct pars repair of lumbar spondylolysis with pedicle screw and lamina hook: a clinical and CT-assessed study

Fig. 2

Representative CT images of different stages of pars defects (orange arrows). Stage I: Early stage, the gap is narrow, similar to hairline (A). Stage II: Progressive stage, the bone gap is clear and small fragments are present (B). Stage III: Terminal stage, characterized by a wide gap, atrophy, and sclerosis edge of the bony defect (C)

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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