NCIt related terms : Seronegative Spondyloarthropathy; Spondyloarthropathy;
Alternative definition : NICHD: A group of inflammatory rheumatic diseases associated with arthritis and enthesitis,
and often involving the axial skeleton. The most common form of spondyloarthritis
is ankylosing spondylitis. Other forms include axial spondyloarthritis, peripheral
spondyloarthritis, reactive arthritis, psoriatic arthritis/spondylitis and enteropathic
arthritis/spondylitis.;