Erythema Elevatum Diutinum (EED) is a distinctive form of chronic leukocytoclastic vasculitis characterized by red to brown papules, plaques, and nodules that favor the extensor aspect of the extremities. EED is a benign condition but may be associated with several systemic diseases, including hematologic disorders, infections, and autoimmune conditions. EED is a rare entity of vasculitis, with less than 400 cases being reported in world literature to date. We present a rare case of a 61-year-old male with IgA monoclonal gammopathy of undetermined significance (MGUS) and a 17-year history of EED that improved significantly with dapsone treatment.
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Jong et al. (2024) studied this question.
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