Spondyloarthritis

Definition

• Collection of seronegative arthritides who share common characteristics of being rheumatoid factor-negative and typically involve axial or peripheral joints

Differential Diagnosis

• Axial involvement
  • Ankylosing spondylitis
• Peripheral involvement
  • Reactive arthritis
  • Enteropathic arthritis (IBD-associated)
• Mixed
  • Psoriatic arthritis