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

Figure 3 Bilateral fused hips and ankylosing spondylitis in a 31-year-old male. A: Proximal migration of the left hip with femoral head and acetabular type 3b acetabular deficiency; B: Bilateral total hip arthroplasty with left hip femoral shortening. Acetabulum medial wall fracture, defect managed with bone graft and screws for superior augmentation. Sacral slope wire for proximal femur incomplete split, femur plate for additional rotational stability.