Persistent arthritis develops in joints previously affected by palindromic flares: a longitudinal study investigating the transition from palindromic rheumatism to rheumatoid arthritis.
To assess whether joint involvement during palindromic rheumatism (PR) flares predicts future arthritis location in patients progressing to persistent inflammatory arthritis (PIA) and to compare rheumatoid arthritis (RA) features in patients with or without a PR prodrome. In thi…