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Spondyloarthritis (SpA), also known as spondyloarthropathy, is a collection of clinical syndromes that are connected by genetic predisposition and clinical manifestations. [1] The best-known clinical subtypes are enteropathic arthritis (EA), psoriatic arthritis (PsA), ankylosing spondylitis (AS), and reactive arthritis (ReA). [ 2 ]
Along with peripheral spondyloarthritis, reactive arthritis, psoriatic arthritis and enteropathic arthritis (or inflammatory bowel disease-associated spondyloarthritis), axial spondyloarthritis belongs to the spondyloarthritis disease family, also known as the spondyloarthritides or spondyloarthropathies.
Ankylosing spondylitis (AS) is a type of arthritis from the disease spectrum of axial spondyloarthritis. [5] It is characterized by long-term inflammation of the joints of the spine, typically where the spine joins the pelvis. [2]
In contrast, a spondyloarthropathy is a condition involving the vertebral joints, but many conditions involve both spondylopathy and spondyloarthropathy. Examples include ankylosing spondylitis and spondylosis.
Since then, a number of associations between skin conditions and osteoarticular disorders have been reported under a variety of names, including sternocostoclavicular hyperostosis, pustulotic arthro-osteitis, and acne-associated spondyloarthropathy.
In cervical spondylosis, a patient may be presented with dull neck pain with neck stiffness in the initial stages of the disease. As the disease progresses, symptoms related to radiculopathy (due to compression of exiting spinal nerve by narrowed intervertebral foramen) or myelopathy (due to compression on the spinal cord) can occur. [2]
HLA-B27 is the most researched HLA-B allele due to its high relationship with spondyloarthropathies. Although it is not apparent how HLA-B27 promotes disease, theories exist and can be divided between antigen-dependent and antigen-independent categories. [13]
As a seronegative spondyloarthropathy, laboratory analysis of blood will show that the patient is rheumatoid factor negative and often HLA-B27 positive. [7] The most common triggers are intestinal infections (with Salmonella , Shigella or Campylobacter ) and sexually transmitted infections (with Chlamydia trachomatis ); [ 8 ] however, it also ...