ankylosing spondylitis , indefinite juvenile spondyloarthritis ( jsa ) , reactive arthritides , psoriasis arthritis , arthritis of inflammatory bowel disease , and probably other rare diseases , such as the behcet-syndrome , are sharing several distinctive features which discriminate them as a group from other arthritides , particularly from the rheumatoid arthritis in children ( jra ) and adults .
C0085435
reactive
C0003864
arthritis