Abstract
This is the case report of a 57-year-old women with a 10-year long history of urticarial-like exanthema and monoclonal immunoglobulin M Kappa gammopathy, associated to arthralgia with pain of the lower limbs. A cutaneous biopsy and an inflammatory syndrome on laboratory testing helped to diagnose an urticarial vasculitis. A treatment with colchicine was set up but the response to therapy was not satisfactory. The diagnosis of Schnitzler syndrome was eventually suggested based on the combination of monoclonal gammopathy, urticarial and pain. A therapy with anakinra, an interleukin-1-receptor antagonist (IL-1), was started accordingly. The response was remarkable on skin rash, bone pain and laboratory testing including inflammatory syndrome.
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