Methotrexate-associated Lymphoproliferative Disorders in Patients With Rheumatoid Arthritis: Clinicopathologic Features and Prognostic Factors

Methotrexate(MTX) carries a risk of lymphoproliferative disorders(LPDs), but MTX-associated LPDs (MTX-LPDs) can resolve spontaneously after MTX withdrawal. However, the precise clinicopathologic features of MTX-LPD remain unclear. We aimed to investigate the clinicopathologic characteristics, outc