Figure 1From: Measurement of vertebral rotation in adolescent idiopathic scoliosis with low-dose CT in prone position - method description and reliability analysis (A) Standing plain radiograph, and (B) CT scanogram in prone position of a patient with AIS. The vertebral rotation measured according to the method of Perdriolle at the apical vertebra of the major structural curve at L2 amounted to 43° and 25° on standing radiograph and CT scanogram, respectively.Back to article page