Fig. 3From: One‐level mini‐open pedicle subtraction osteotomy for treating spinal kyphosis in patients with ankylosing spondylitisA 37-year-old female with AS and thoracolumbar kyphosis. The global kyphosis angle decreased from 72.3 preoperatively to 24.7r after surgery. The length of the incision was 9.8 cmBack to article page