Comparative roentgenologic and clinical studies of 97 patients with ankylosing spondylitis and 98 with rheumatoid arthritis revealed marked differences between the two. Among the features showing the greatest differences were the frequency and degree of involvement of individual joints, sacroiliac damage, abnormalities of apophyseal joints, paravertebral calcification, abnormalities in the shape of vertebral bodies, and pelvic periostitis and osteitis.
No takes yet. Share an insight, caveat, or question.
Dilşen et al. (1962) studied this question.