Systemic rheumatoid vasculitis accounts for 1 to 5% of complications seen in rheumatoid arthritis, while autopsy studies report an average of 23% incidence. This enormous difference in numbers emphasizes the rate of misdiagnosis or underdiagnosis of systemic rheumatoid vasculitis. It mainly affects people with a median age of 65 years. It is particularly noteworthy, as systemic rheumatoid vasculitis has a high mortality and relapse rate. Also, the multifactorial aetiology: cytokines/immune cells and other particles determines clinical complexity of this type of angiitis