Herniated Lumbar Disk Diskectomy and Stabilization

Fig. 1

a–b. Lumbosacral XR: posteroanterior (a) and lateral (b) views. L5–S1 diskectomy, intervertebral cage, and L4-S1 posterior stabilization

Postoperative Follow-Up After 6 Months

Fig. 2

a–b. Lumbosacral dynamic XR: lateral views in hyperflexion (a) and in hyperextension (b). No evidence of instability, preserved alignment of posterior vertebral profile

Postoperative Follow-Up After 9 months

Fig. 3

a–m. MPR sagittal (a–e) and axial sections at L4–L5 (f–i) and L5-S1 (j–m). Post-surgery inhomogeneity of retrovertebral space due to the presence of fibrotic tissue (a–e). Axial images at L4–L5 (f–i) document angulation of right pin with respect to its screw (arrow); axial images at L5-S1 (j–m) document the cause of low back pain due to left S1 root surrounded by fibrous scar (arrowheads)

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