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Last reviewed: 16 Mar 2025
Last updated: 08 Aug 2024

Summary

Definition

History and exam

Key diagnostic factors

  • active symmetrical arthritis lasting >6 weeks
  • age 50 to 55 years
  • female sex
  • joint pain
  • joint swelling

Other diagnostic factors

  • morning stiffness
  • swan neck deformity
  • Boutonniere's deformity
  • ulnar deviation
  • rheumatoid nodules
  • vasculitic lesions
  • pleuritic chest pain
  • scleritis and/or uveitis

Risk factors

  • genetic predisposition
  • smoking
  • overweight or obesity
  • infection

Diagnostic investigations

1st investigations to order

  • rheumatoid factor (RF)
  • anti-cyclic citrullinated peptide (anti-CCP) antibody
  • radiographs
  • ultrasonography

Treatment algorithm

Contributors

Authors

Yusuf Yazici, MD
Yusuf Yazici

Clinical Associate Professor of Medicine

New York University School of Medicine

New York

NY

Disclosures

YY receives research support from BMS and Amgen; he has consulted for Amgen, BMS, Hemay, Chugai, and Sanofi.

Peer reviewers

Joshua F. Baker, MD, MSCE

Associate Professor of Medicine and Epidemiology

University of Pennsylvania

Pennsylvania

PA

Disclosures

JFB has received consulting fees from Bristol-Myers Squibb, Pfizer, Cumberland Pharma, and CorEvitas.

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