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Browse Orphanet-curated rare diseases with HPO phenotype annotations, synonyms, and linked support programs. Search by name, abbreviation, or synonym.
Try: "IgA nephropathy", "C3G", "Berger's disease", "PKU", "Duchenne"
Polyarticular juvenile idiopathic arthritis
Juvenile polyarticular arthritis · Juvenile polyarthritis
Oligoarticular juvenile idiopathic arthritis
Pauciarticular chronic arthritis · Oligoarticular JIA
Rheumatoid factor-negative polyarticular juvenile idiopathic arthritis
Juvenile polyarthritis without rheumatoid factor · Juvenile rheumatoid factor-negative polyarthritis
Rheumatoid factor-positive polyarticular juvenile idiopathic arthritis
Rheumatoid factor-positive polyarticular JIA · Juvenile idiopathic rheumatoid factor-positive polyarthritis