Total hip arthroplasty in fused hips with spine stiffness in ankylosing spondylitis

Figure 9 Bilateral hip ankylosis in a 33-year-old male with ankylosing spondylitis. A: Pre op total hip arthroplasty, 12-year post op fracture fixation left proximal femur; B: Post op bilateral total hip arthroplasty; C: Follow-up with Brooker grade 3 heterotopic ossification left hip and good hip function (Harris hip score improved from 34 to 81 at 24 mo follow-up).