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Persistent papules and plaques in systemic juvenile idiopathic arthritis
Leonardo Tjahjono1, Rebecca Czaja2, Leah Lalor1
1Department of Dermatology, Medical College of Wisconsin, Wauwatosa, Wisconsin, USA.
Pediatric Dermatology
|May 13, 2022
Summary
Systemic juvenile idiopathic arthritis (sJIA) can present with rare skin findings, including salmon-colored rashes and persistent papules. This case highlights the diagnostic importance of recognizing these specific cutaneous manifestations of sJIA.
Area of Science:
- Pediatric Rheumatology
- Dermatology
- Immunology
Background:
- Systemic juvenile idiopathic arthritis (sJIA) is a rare autoimmune disease characterized by fever, rash, and joint inflammation.
- Cutaneous manifestations in sJIA are common but typically include transient salmon-colored evanescent eruptions.
Observation:
- A 6-year-old girl presented with persistent joint pain and characteristic skin lesions.
- Lesions included evanescent salmon-colored patches and persistent, pruritic pink papules and plaques on the face, scalp, trunk, and extremities.
Findings:
- Skin biopsy confirmed fixed papules and plaques, supporting a diagnosis of sJIA.
- This presentation is an exceedingly rare cutaneous manifestation of sJIA.
Implications:
- Recognizing these specific cutaneous features is crucial for the early diagnosis of sJIA.
- This case underscores the diverse dermatological presentations of sJIA, aiding clinicians in differential diagnosis.
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