What is the scoring system for diagnosing reactive arthritis (ReA)-like spondyloarthropathies?

Updated: Dec 24, 2020
  • Author: Carlos J Lozada, MD; Chief Editor: Herbert S Diamond, MD  more...
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Physical findings in ReA may involve the musculoskeletal system, the skin and nails, the eyes, the GU tract, the GI tract, and other systems.

A scoring system for diagnostic points in ReA-like spondyloarthropathies exists. In this system, the presence of 2 or more of the following points (1 of which must pertain to the musculoskeletal system) establishes the diagnosis:

  • Asymmetric oligoarthritis, predominantly of the lower extremity [74]

  • Sausage-shaped finger (dactylitis), [68] toe or heel pain, or other enthesitis

  • Cervicitis or acute diarrhea within 1 month of the onset of arthritis

  • Conjunctivitis or iritis

  • Genital ulceration or urethritis

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