Spondyloarthropathies

Definition

  • Group of disorders with
    • RA negative
    • ANA may be positive in 10%
    • Typically associated with sacroiliitis, enthesitis & HLA B27 +
    • Also
      • Inflammatory peripheral arthritis
      • Asymmetrical LL oligoarthritis
    • Male worse than female
    • Male> female 4:1
    • Typically young men (cf. older women with Rheumatoid)
    • Clinical overlap between disorders

Classification