Acute lymphoblastic leukaemia presenting with arthritis in an adult patient

The earliest manifestations of leukaemia often include rheumatic signs and symptoms. Arthritis is a well, recognised complication of leukaemia in chil dren, but acute and chronic leukaemia may also cause arthritis in adults. L eukaemic arthritis may occur at any time during the course of leukaemia and may be the presenting manifestation. It should therefore be considered in the differential diagnosis of both childhood and adult rheumatic disease. W e present an adult patient presenting with arthritis due to acute leukaemia .