Intraoperative Computed Tomography versus Perdriolle and Scoliometer Evaluation of Spine Rotation in Adolescent Idiopathic Scoliosis

Figure 1

Steps of the surgical correction, (a) screw placement, (b) rod contoured to the curve, (c) after “derotation on the rod,” (d) before DVD, (e) after DVD, and (f) second rod on the convex side.

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(b)

(c)

(d)

(e)

(f)