Rare Disease Library

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"

6 matching diseasesClear search ×

Rheumatoid factor-negative polyarticular juvenile idiopathic arthritis

Juvenile polyarthritis without rheumatoid factor · Juvenile rheumatoid factor-negative polyarthritis

ORPHA:85408

Juvenile idiopathic arthritis

Juvenile chronic arthritis · Juvenile rheumatoid arthritis

ORPHA:92

OBSOLETE: Rheumatoid factor-negative juvenile idiopathic arthritis with anti-nuclear antibodies

OBSOLETE: Rheumatoid factor-negative JIA with anti-nuclear antibodies · OBSOLETE: Polyarthritis without rheumatoid factor with anti-nuclear antibodies

ORPHA:247854

OBSOLETE: Rheumatoid factor-negative juvenile idiopathic arthritis without anti-nuclear antibodies

OBSOLETE: Polyarthritis without rheumatoid factor without anti-nuclear antibodies · OBSOLETE: Juvenile rheumatoid factor-negative polyarthritis without anti-nuclear antibodies

ORPHA:247861

Polyarticular juvenile idiopathic arthritis

Juvenile polyarticular arthritis · Juvenile polyarthritis

ORPHA:404580

Rheumatoid factor-positive polyarticular juvenile idiopathic arthritis

Rheumatoid factor-positive polyarticular JIA · Juvenile idiopathic rheumatoid factor-positive polyarthritis

ORPHA:85435