RT Journal Article SR Electronic T1 Sjögren's syndrome, vasculitis, and cryoglobulinaemia associated with a monoclonal IgM (kappa) paraprotein with rheumatoid factor activity. JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 485 OP 487 DO 10.1136/ard.46.6.485 VO 46 IS 6 A1 Fitzgerald, S A1 Hurst, N P A1 Pannall, P R YR 1987 UL http://ard.bmj.com/content/46/6/485.abstract AB A patient is described with primary Sjögren's syndrome with an infrequently reported complication--vasculitis and cryoglobulinaemia due to a monoclonal IgM (kappa) paraprotein with rheumatoid factor activity. The clinical and theoretical implications are discussed.