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Related Experiment Videos

Rheumatoid neutrophilic dermatitis.

J M Scherbenske1, P M Benson, G P Lupton

  • 1Dermatology Service, Walter Reed Army Medical Center, Washington, DC.

Archives of Dermatology
|August 1, 1989
PubMed
Summary

This study describes rheumatoid neutrophilic dermatitis, a rare condition presenting as urticaria-like plaques in severe rheumatoid arthritis patients. Histology shows a dense neutrophilic infiltrate without vasculitis, distinguishing it from other neutrophilic disorders.

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Area of Science:

  • Dermatology
  • Rheumatology
  • Immunopathology

Background:

  • Rheumatoid arthritis (RA) is a chronic autoimmune disease primarily affecting joints.
  • Noninfectious neutrophilic inflammatory disorders encompass a spectrum of conditions characterized by neutrophil infiltration.
  • Distinguishing between various neutrophilic dermatoses is crucial for accurate diagnosis and management.

Observation:

  • A patient with severe rheumatoid arthritis presented with persistent, urticaria-like skin plaques.
  • Clinical presentation mimicked urticaria but was characterized by fixed lesions.
  • Dermatologic examination was essential for identifying the underlying pathology.

Findings:

  • Histopathological analysis revealed a dense neutrophilic infiltrate in the dermis.

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  • Crucially, the observed infiltrate lacked evidence of vasculitis.
  • These distinct clinical and histological features differentiate the condition from other neutrophilic inflammatory disorders.

    • Implications:

    • This case highlights a unique presentation of neutrophilic dermatitis associated with rheumatoid arthritis.
    • Recognition of rheumatoid neutrophilic dermatitis is important for accurate diagnosis and treatment.
    • Further research into the pathogenesis and management of this rare disorder is warranted.