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Cutaneous polyarteritis nodosa in children
Basil M Fathalla1, Laurie Miller, Stephen Brady
1Division of Pediatric Rheumatology, Tufts University/New England Medical Center, Boston, Massachusetts, USA.
Journal of the American Academy of Dermatology
|October 4, 2005
Summary
This study details four children with cutaneous polyarteritis nodosa, a vasculitis causing skin nodules and fever without organ damage. Early treatment and monitoring are key for managing this chronic childhood condition.
Area of Science:
- Pediatric Rheumatology
- Dermatology
- Immunology
Background:
- Cutaneous vasculitis in children presents diverse clinical features.
- Cutaneous polyarteritis nodosa (cPAN) is a rare form of vasculitis affecting skin vessels.
Purpose of the Study:
- To describe the clinical course and histopathology of pediatric cutaneous vasculitis.
- To characterize children with tender cutaneous nodules and fever without systemic involvement.
Main Methods:
- Retrospective chart review of four pediatric patients diagnosed with cutaneous vasculitis.
- Analysis of clinical manifestations, laboratory findings, skin biopsy results, and treatment outcomes.
Main Results:
- All four patients presented with tender erythematous cutaneous nodules, fever, and leukocytosis.
- Skin biopsies confirmed inflammation of medium-sized cutaneous arteries, consistent with cutaneous polyarteritis nodosa.
- Patients showed initial response to prednisone, but relapses occurred upon tapering; some required additional immunosuppressants.
Conclusions:
- Pediatric cutaneous polyarteritis nodosa is a distinct entity characterized by painful nodules, fever, and lack of major organ involvement.
- The condition often follows a chronic or recurrent course, necessitating long-term management.
- Screening for and treating streptococcal infections may be beneficial, though not always curative.