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  • Title: Juvenile xanthogranulomas: Examining single, multiple, and extracutaneous presentations.
    Author: So N, Liu R, Hogeling M.
    Journal: Pediatr Dermatol; 2020 Jul; 37(4):637-644. PubMed ID: 32468628.
    Abstract:
    BACKGROUND: Juvenile xanthogranuloma (JXG) is a non-Langerhans cell histiocytosis characterized by yellowish papules in the skin. JXGs most often occur in infancy or early childhood and are typically solitary and asymptomatic, often regressing after several years. While JXGs predominantly occur on the skin, extracutaneous JXGs also exist. AIMS: In this paper, we review the literature on single, multiple, and visceral JXGs and provide recommendations on monitoring and work-up. MATERIALS & METHODS: A literature review was conducted with the PubMed database using selective search terms for single, multiple, ocular, and visceral lesions as well as NF1/JMML. RESULTS / DISCUSSION: JXG is typically a self-limited disorder if lesions are cutaneous and singular. While rare, JXGs may manifest as multiple and extracutaneous lesions. Further screening and referral to specialists may be warranted in these cases based on age and extent of involvement. CONCLUSION: Our review demonstrates common presentations of single, multiple, and extracutaneous lesions in addition to those that occur with NF1 and JMML. We suggest patients be evaluated on a case-by-case basis by a dermatologist and referred to specialists as appropriate.
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