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Juvenile xanthogranuloma with lichenoid appearance.
Kozo Yoneda1, Toshio Demitsu, Yasuo Kubota
1Department of Dermatology, Faculty of Medicine, Kagawa University, Kagawa, Japan. kyoneda@med.kagawa-u.ac.jp
The Journal of Dermatology
|October 11, 2011
Summary
Juvenile xanthogranuloma (JXG) is a benign skin condition in children that typically resolves on its own. This case highlights a rare JXG presentation with lichenoid papules, emphasizing observation over treatment when no internal masses are present.
Area of Science:
- Dermatology
- Pediatrics
- Pathology
Background:
- Juvenile xanthogranuloma (JXG) comprises benign histiocytic tumors primarily affecting infants and young children.
- These lesions characteristically undergo spontaneous regression over time.
Observation:
- A 2-year-old boy presented with a widespread rash of both small and large juvenile xanthogranuloma lesions.
- The eruption included numerous, widely distributed papules with a lichenoid appearance.
Findings:
- Microscopic and immunocytochemical examination confirmed the diagnosis of juvenile xanthogranuloma.
- Imaging studies, including abdominal ultrasonography and brain MRI, revealed no evidence of visceral or intracranial involvement.
Implications:
- This case represents the third reported instance of juvenile xanthogranuloma exhibiting a lichenoid morphology.
- The management strategy involved observation due to the absence of internal masses, with regular follow-up scheduled.
- Further research into cytokines like granulocyte-macrophage colony-stimulating factor and tumor necrosis factor-α may clarify the pathogenesis of JXG.
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