Keywords: گره روماتوئید; Bursite; Ténosynovites; Nodule rhumatoïde; Tophus; Synovite villo-nodulaire; Lipome arborescens; Chondromatose synoviale; Bursitis; Tenosynovitis; Rheumatoid nodule; Tophus; Pigmented villonodular synovitis; Lipoma arborescens; Synovial chondromatosis;