title: Urticarial vasculitis and IgA myeloma.
mesh_terms: D000328:Adult; D006801:Humans; D007070:Immunoglobulin A; D008297:Male; D009101:Multiple Myeloma / Q000150:complications*; D014581:Urticaria / Q000150:complications*; D018366:Vasculitis, Leukocytoclastic, Cutaneous / Q000150:complications*
chemical_list: D007070:Immunoglobulin A