Ankylosing spondylitis and rheumatoid arthritis in a patient with Paget's disease. Differential effects of indomethacin, D-penicillamine, or gold sodium thiomalate in the respective arthritides

A patient developed both ankylosing spondylitis and rheumatoid arthritis, each of which responded to D-penicillamine or gold sodium thiomalate and indomethacin, respectively. The patient was both HLA-B27 and -DR4 positive. In addition, he was found to have Paget's disease of bone, which has required no treatment.