Ana Belén Azuaga, Andrea Cuervo, Raquel Celis, Beatriz Frade-Sosa, Juan C Sarmiento-Monroy, Virginia Ruiz-Esquide, José A Gómez-Puerta, Raimon Sanmartí, Julio Ramírez
BACKGROUND: Inflammatory arthritis encompasses a group of immune-mediated diseases characterized by chronic joint inflammation. Despite having pathogenic mechanisms in common, the prognosis of rheumatoid arthritis (RA), psoriatic arthritis (PsA), and undifferentiated arthritis (UA) could be different regarding progression to chronic, to erosive, or to self-limited disease. Our aim was to evaluate the potential association of synovial tissue (ST) inflammatory cell infiltrate, the presence of ectopic lymphoid neogenesis (LN +) structures, and poor prognosis factors (PPF) in patients with RA, PsA, and UA...
January 10, 2024: Arthritis Research & Therapy