… established the concept of seronegative SpA in patients with inflammatory arthritis who were
rheumatoid factor (RF) negative. Moll and coworkers described five distinct subtypes of SpA…

… The arrival of biological therapies offering the … in the seronegative SpAs as we assess
the results of these therapies in these diseases. 4 This, in turn, has led to reassessment of the …

… This article illustrates these features, stressing the similarities and differences among the
four conditions, as well as contrasting these diseases with the more common conditions, …

… joints is central to the diagnosis of the seronegative spondyloarthropathies, especially of …
early in the disease course, when back pain believed to be inflammatory in nature is the only …

… This chapter discusses the four main types of seronegative spondyloarthropathies:
ankylosing spondylitis, Reiter or reactive arthritis, psoriatic arthritis, and arthritis associated with …

… The primary aim of this review article was to examine the involvement … the development of
more extensive and flexible criteria by the European Spondyloarthropathy Study Group [3], the …

… Spondyloarthropathy in the community: clinical syndromes … Spondyloarthropathy in the
community: diÄerences in severity … Trauma and seronegative spondyloarthropathy: report of two …

… by bacterial antigens in the seronegative spondyloarthropathies. ln spite of the inability to …
to a local response to local antigen within the joint. Using monoclonal or polyclonal antibodies, …

… The 2 major categories of idiopathic inflammatory arthritis are rheumatoid arthritis … the
seronegative spondyloarthropathies. Whilst the synovium is the primary site of joint disease in the …

… The diseases included under this umbrella are ankylosing … lack the specific diagnostic
features of the first four categories, but nevertheless fulfil the European Spondyloarthropathy Study …