Fig. 3From: The effects of total hip arthroplasty in treating hip bony fusion in young and middle-aged patients with ankylosing spondylitisX-ray films of 1 typical cases before and after operation. a Male, 20 years old, preoperative pelvic X-ray film. b Male, 20 years old, postoperative 5 days, the pelvic X-ray film. c Male, 20 years old, postoperative 4 year pelvic X-ray filmBack to article page