Research Article

Postoperative Management Strategy of Surgical Site Infection following Lumbar Dynesys Dynamic Internal Fixation

Figure 1

(a, b) Three years after L4-5 Dynesys dynamic internal fixation, anteroposterior and lateral X-view: the red arrow indicates bone resorption and loosening of the pedicle screw (halo sign). (c, d) Lumbar MRI: the green arrows indicate empyema around pedicle screws and spacers, and the yellow arrows indicate bilateral psoas muscle abscesses. (e, f) Placing drainage tubes after removal of the implant. (g) Opening a window between the lamina, retaining the lateral 1/2 of the inferior articular process in L4.
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