The effect of the caudal insertion angle of pedicle screws on postoperative thoracic kyphosis in adolescent idiopathic scoliosis: a pilot study. Letter to the Editor regarding Liu et al.: ...

Thoracic Kyphosis: An excessive outward curvature of the thoracic spine, leading to a hunchback appearance. Pedicle Screw Instrumentation: A surgical technique that involves placing screws into ...