Fig. 1From: The potential risk of spinal cord injury from pedicle screw at the apex of adolescent idiopathic thoracic scoliosis: magnetic resonance imaging evaluationThe full frontal standing radiograph of the spine in a AIS patient (right thoracic scoliosis, a Cobb’s angle 70°, Lenke 1B). The measurements include Cobb’s angle, apex and apical vertebrae translation. AVT represents the distance between apex or apical disc and line C7PLBack to article page