Fig. 2From: The effects of total hip arthroplasty in treating hip bony fusion in young and middle-aged patients with ankylosing spondylitisX-ray films of 2 typical cases before and after operation. a Male, 39 years old, preoperative pelvic X-ray film. b Male, 39 years old, postoperative 2 days, the pelvic normal X-ray. c Male, 39 years old, postoperative 5 year pelvic X-ray filmBack to article page