text: <unk>  or Spondyloarthrosis are entities refer to any kind of joint disease of vertebral column (spine), albeit it demonstrate a class or category of diseases more than a single entity. Another entity in disease of vertebra itself is spondylopathy,  which is founded mostly with<unk> . Th term of<unk>  in the broadest sense, includes any type of joint involvement of vertebral column such as rheumatoid arthritis and osteoarthritis, however, the term is often used for a certain group of disease with specific common features, which eventuate to call them as a seronegative<unk> es due to their negative serum rheumatoid factor and ANA, with an increased incidence of HLA-B27.
option_0: Spondyloarthropathy
option_1: Oligoarthritis
option_2: Spondylolysis
option_3: Spondylosis
option_4: Ankylosing spondylitis
option_5: Amyloid arthropathy
option_6: Osteoarthritis
option_7: Spondylopathies