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🌱 來自: seronegative spondyloarthritis

Definition and classification system of seronegative spondyloarthritis

• Spondyloarthritis (SpA):
  • group of inflammatory disorders that share common clinical manifestations:
    • inflammatory spine disease,
    • peripheral arthritis,
    • enthesitis (see below),
    • and extra-articular manifestations (primarily ocular and skin disease)
• Seronegative = absence of autoantibodies
• Subtypes:
  • ankylosing spondylitis (AS),
  • psoriatic (PsA),
  • reactive (ReA),
  • IBD-assoc,
  • juvenille SpA,
  • and undifferentiated.
• Distinguished by axial vs. peripheral predominant involvement.