OntologyTerm
polyarticular juvenile idiopathic arthritis, rheumatoid factor negative

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   July 21st, 2019 at 10:19pm

Details

definition 
A category of juvenile idiopathic arthritis defined by the presence of arthritis affecting five or more separate joints during the first six months of disease, with negative serologic testing for rheumatoid factor. -- Rheumatoid factor-negative polyarthritis is a term used to describe a group of poorly defined heterogenous conditions that incorporates forms of rheumatoid factor-negative polyarthritis and forms of oligoarticular arthritis that become extensive in less than 6 months after onset. (EFO)
namespace 
http://www.ebi.ac.uk/efo
parents 
  1. polyarticular juvenile idiopathic arthritis
  2. no view permissions
preferred_name 
polyarticular juvenile idiopathic arthritis, rheumatoid factor negative
source_ontologies 
  1. Experimental Factor Ontology
synonyms 
  1. juvenile rheumatoid factor-negative polyarthritis
  2. rheumatoid factor negative juvenile idiopathic arthritis
  3. rheumatoid factor-negative juvenile idiopathic arthritis
  4. polyarthritis without rheumatoid factor
  5. rheumatoid factor-negative JIA
term_id 
EFO:1002020
term_name 
polyarticular juvenile idiopathic arthritis, rheumatoid factor negative
term_url 
http://www.ebi.ac.uk/efo/EFO_1002020