Research Article: Synovial tissue features associated with poor prognosis in inflammatory arthritis
Introduction:
Rheumatoid arthritis (RA), psoriatic arthritis (PsA), and undifferentiated arthritis (UA) are chronic immune-mediated inflammatory diseases characterized by joint inflammation. Patients with UA can have different clinical presentations, such as monoarthritis of small or large joints, oligoarthritis, or polyarthritis. Recently, in a cohort of 310 UA patients, up to 14% developed RA within the first year of follow-up [1]. Clinical presentation, pathophysiology, and histopathological changes in ST may differ among…
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