Clinical comparison of early-onset psoriatic and non-psoriatic oligoarticular juvenile idiopathic arthritis

摘要

ObjectiveAmong the seven subtypes of juvenile idiopathic arthritis (JIA), oligoarticular JIA (oJIA) and psoriatic JIA (psJIA) display a predilection for onset in early childhood. We examined whether meaningful differences in clinical phenotype justify the distinction between these conditions.