Osteotomy of the spine for correction of fixed flexion deformity.
D006801:Humans; D010027:Osteotomy; D013131:Spine / Q000601:surgery*; D013166:Spondylitis; D013167:Spondylitis, Ankylosing / Q000601:surgery*
SPINE/surgery; SPONDYLITIS, ANKYLOSING/surgery