Rheumatoid arthritis and B-cell chronic lymphocytic leukemia.1. Clin Exp Rheumatol. 2002 Jan-Feb;20(1):63-5. Rheumatoid arthritis and B-cell chronic lymphocytic leukemia. Voulgari PV, Vartholomatos G, Kaiafas P, Bourantas KL ...Rituxan (Rituximab) for RA, NHL, CLL, WG and MPAChronic Lymphocytic Leukemia (CLL) Rheumatoid Arthritis (RA) Wegener’s Granulomatosis (WG) & Microscopic ... Previously untreated diffuse large B-cell, CD20-positive ...A rheumatoid arthritis b cell subset expresses a phenotype similar ...A rheumatoid arthritis b cell subset expresses a phenotype similar to that in chronic lymphocytic leukemia