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Fig. 4 | Journal of Orthopaedic Surgery and Research

Fig. 4

From: Comparison of clinical outcomes between unilateral biportal endoscopic discectomy and percutaneous endoscopic interlaminar discectomy for migrated lumbar disc herniation at lower lumbar spine: a retrospective controlled study

Fig. 4

Measurement of lamina loss area and height changes. A The MIP plane was parallel to the longitudinal axis of the target vertebral body in the sagittal position, and the distance in the transverse position was from the facet joint to the junction of the spinous process and the lamina. B, C Significant differences in the area and height of the interlaminar space were shown by the maximum density projections before and after surgery

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X