[Retracted] Treatment of Upper Cervical Spinal Cord Injury (Unstable C1-C2) by Direct Visualization and Nailing Technique and the Advantages of Early MRI

Figure 1

The posterior direct visualization approach combined with pedicle screw fixation by nailing technique. A patient with C1-C2 instability underwent posterior internal fixation and screw placement. (a) The incision site and dissecting the muscles; (b) a method of protecting vertebral artery, nerve, and venous sinus, before opening the screw entry point; (c) the screw entry point in the cortical bone after using a surgical nail; (d) postoperative after screw placement.

(a)

(b)

(c)

(d)