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Insights into Imaging
Fig. 7 | Insights into Imaging

Fig. 7

From: Imaging features of the postoperative spine: a guide to basic understanding of spine surgical procedures

Fig. 7

A typical arthrodesis with rod and transpedicular screws—posterior approach for degenerative disc disease. Lateral radiography (a) and T2W axial MR image (b) after a fusion procedure using stabilization hardware consisting of bilateral rods and transpedicular screws at the L4-5 intervertebral level (arrow). There is optimal pedicle screw positioning. The screws traverse the pedicle without lateral or medial angulation (thin arrow and white dashed line) and the anterior vertebral body cortex is intact (curved line). The screws are also parallel to the vertebral body endplate in the lateral/sagittal plane (black dashed line)

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