Paraproteinemias in Sjögren disease: cryoglobulinemia and serum monoclonal gammopathy identify distinct clinical phenotypes and differential lymphoma susceptibility.
Sjögren disease (SjD) is a systemic autoimmune disease characterized by increased risk of B-cell non-Hodgkin lymphoma. Although cryoglobulinemia and serum monoclonal component (MC) are well-recognized paraproteinemias in SjD, no large-scale study has directly compared their…