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AimsTo analyse the clinicopathological characteristics and prognosis of 40 rheumatoid arthritis (RA) patients with methotrexate (MTX)‐associated large B cell lymphoproliferative disorders (MTX–BLPD).
Methods and resultsSoluble interleukin 2 receptor titres (median 1500 U/ml) in 40 patients with MTX–BLPD were lower than those of 24 RA patients with non‐MTX‐ associated (non‐MTX) BLPD (5731 U/ml) and...
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