TY - JOUR T1 - Perforating Rheumatoid Nodule Mimicking Malignant Soft-tissue Mass of the Forearm JF - The Journal of Rheumatology JO - J Rheumatol SP - 1103 LP - 1103 DO - 10.3899/jrheum.201290 VL - 48 IS - 7 AU - Paul Ornetti AU - David Guillier AU - Geraldine Jeudy Y1 - 2021/07/01 UR - http://www.jrheum.org/content/48/7/1103.abstract N2 - Rheumatoid nodule1, one of the most characteristic manifestations of rheumatoid arthritis (RA), occurs in approximately 30% of patients, is generally associated with positive rheumatoid factor, smoking, and high disease activity2, and occurs in some patients with specific genotypes receiving methotrexate (MTX)3.An 83-year-old woman with a history of anticitrullinated protein antibody–positive RA treated by oral MTX, as … ER -