Urticarial vasculitis in systemic lupus erythematosus: fair response to prednisolone/dapsone and persistent hypocomplementemia.

摘要: Two cases of urticarial vasculitis (UV) accompanying systemic lupus erythematosus (SLE) are reported. Both patients developed characteristic wheal and purpuric lesions UV followed by pigmentation, histological examination revealed leucocytoclastic vasculitis. Although oral prednisolone was beneficial for the symptoms various serological abnormalities, one patient needed dapsone other cyclophosphamide to control UV. In both patients, hypocomplementemia with no evidence congenital complement deficiency or consumption persisted even after all laboratory data improved.