POEMS síndrome is an uncommon multisystemic paraneoplastic disorder characterized by the presence of a predominantly motor polyneuropathy associated with other manifestations like organomegaly, endocrinopathy, monoclonal gammopathy and skin changes. We report a case of a 36 years old female with diagnostic criteria for this disorder, and a particular double monoclonal pattern IgG and IgA type., demonstrated by immunofixation.