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Rheumatoid neutrophilic dermatitis.
L Lowe1, B Kornfeld, J Clayman
1Department of Dermatology, Henry Ford Hospital, Detroit, Michigan 48202.
Journal of Cutaneous Pathology
|February 1, 1992
Summary
Rheumatoid neutrophilic dermatitis, a rare skin condition, often appears with severe rheumatoid arthritis. This study describes three cases, highlighting its characteristic skin lesions and microscopic findings.
Area of Science:
- Dermatology
- Rheumatology
- Pathology
Background:
- Rheumatoid neutrophilic dermatitis is a rare skin condition associated with rheumatoid arthritis.
- Understanding its presentation and histology is crucial for diagnosis.
Observation:
- Three patients with seropositive rheumatoid arthritis and rheumatoid neutrophilic dermatitis were studied.
- The eruption presented as symmetric erythematous papules, plaques, and occasional vesicles on extensor surfaces.
Findings:
- Microscopic examination revealed a dermal neutrophilic infiltrate without vasculitis.
- Histological features included spongiotic intraepidermal blisters, subepidermal bullae, or papillary neutrophilic microabscesses.
Implications:
- Rheumatoid neutrophilic dermatitis may represent a spectrum of neutrophilic dermatoses in rheumatoid arthritis patients.
- Accurate diagnosis requires differentiating it from other neutrophilic dermatoses.