Fig. 2From: Modified C7 pedicle subtraction osteotomy for the correction of cervicothoracic kyphosisPre- and post-operative radiological outcomes and clinical photographs. a-c A patient with cervicothoracic kyphosis secondary to ankylosing spondylitis presented with restriction of forward gaze. d-f Modified PSO was performed at C7, and radiographs at 2 years follow-up revealed significant improvement of the deformityBack to article page