Apical lordosating osteotomy and minimal segment fixation for the treatment of thoracic or thoracolumbar osteoporotic kyphosis;

Objective To investigate the appliance of closing wedge osteotomy in treatment of posttraumatic kyphotic-scoliotic deformity in thoracolumbar spine.

Lumbar spinal pedicle subtraction osteotomy on single segment for correction of kyphosis in ankylosing spondylitis;

Objective To report the experiences of the second transpedicle internal fixation and vertebral osteotomy for severe kyphosis patients with thoracolumbar vertebral fracture after the first transpedicular screw was removed.