
The association between lymphoproliferate malignancies, especially lymphoma, and rheumatoid arthritis (RA) has been confirmed by several studies. However; there are few reports of RA patients who developed B-cell chronic lymphocytic leukemia (B-CLL) and vice versa. We report a patient with B-CLL who developed RA and another with RA who presented with B-CLL during follow-up. We discuss the incidence of B-CLL among the RA population and the possible interaction of the pathogenetic mechanisms of these two entities.
Male, Leukemia, B-Cell/*complications/epidemiology, Greece, Incidence, Greece/epidemiology, Arthritis, Rheumatoid/*complications/epidemiology, Middle Aged, Arthritis, Rheumatoid, Chronic Disease, Outpatients, Leukemia, B-Cell, Humans, Female, Aged
Male, Leukemia, B-Cell/*complications/epidemiology, Greece, Incidence, Greece/epidemiology, Arthritis, Rheumatoid/*complications/epidemiology, Middle Aged, Arthritis, Rheumatoid, Chronic Disease, Outpatients, Leukemia, B-Cell, Humans, Female, Aged
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