[Multiple pseudoxanthomatour rheumatoid nodules].

2 cases of Rheumatoid arthritis associated with multiple subcutaneous nodules were presented, which resembled "pseudoxanthomatour rheumatoid nodules" as before reported. In the first case, the asymmetrical joint involvement has been preceded by the formation of subcutaneous nodules since 5 years; In the second case, arthritis appeared long before the nodules were formed. In both cases, circumscript vasculitis and high titer of rheumatoid factor were noticed and cystic activities were found in several nodules.