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This article discusses a case of cryoglobulinemic vasculitis complicating Sjögren's syndrome with IgA accumulation. The patient, a 90-year-old Japanese female, presented with bilateral lower limb purpura and joint pain. Laboratory investigations showed elevated levels of various markers, including immunoglobulin G (IgG), immunoglobulin A (IgA), and rheumatoid factor (RF). The patient was diagnosed with primary Sjögren's syndrome complicated by cryoglobulinemic vasculitis. Treatment with prednisolone and azathioprine improved the symptoms. The article highlights the importance of careful examination to identify underlying conditions such as Sjögren's syndrome or cryoglobulinemia in cases clinically diagnosed as IgA vasculitis. [Extracted from the article]