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[A child with Wegener's granulomatosis]
M H Spronk1, S T Pals, T J Haumann
1Academisch Ziekenhuis der Vrije Universiteit, Amsterdam.
Tijdschrift Voor Kindergeneeskunde
|April 1, 1992
Summary
Wegener's granulomatosis (WG), a rare childhood vasculitis, was diagnosed in a 13-year-old boy presenting with joint pain, skin lesions, and kidney issues. Treatment with prednisone and cyclophosphamide effectively reduced symptoms and antibody levels.
Area of Science:
- Pediatric Rheumatology
- Nephrology
- Immunology
Background:
- Wegener's granulomatosis (WG) is a rare systemic necrotizing vasculitis affecting primarily the respiratory tract and kidneys.
- Autoantibodies against neutrophil cytoplasm (ANCA) are key diagnostic markers, with C-ANCA subtype being highly specific for WG.
Observation:
- A 13-year-old boy presented with painful joints, papular skin lesions, malaise, hematuria, impaired renal function, and hypertension.
- Kidney and skin biopsies revealed vasculitis, and a strongly elevated C-ANCA titer confirmed the diagnosis of WG.
- The patient had a history of recurrent otitis media, a common preceding infection in pediatric WG.
Findings:
- The patient's presentation, including renal and cutaneous manifestations, along with elevated C-ANCA, strongly indicated WG.
- Treatment with prednisone and cyclophosphamide led to a decrease in symptoms and C-ANCA titer, indicating treatment efficacy.
- The case highlights the importance of ANCA testing in children with suspected systemic vasculitis, especially those with recurrent respiratory infections.
Implications:
- Early diagnosis and treatment of pediatric WG are crucial for preventing long-term organ damage.
- ANCA testing serves as a vital tool for differentiating WG from other vasculitides in children.
- This case underscores the successful management of WG in a pediatric patient using established immunosuppressive therapies.