juvenile xanthogranuloma (Monarch Disease Ontology identifier MONDO_0015534) can be described as follows. A benign histiocytic tumor that occurs during childhood; it is distinct from Langerhans cell histiocytosis. It is characterized by the presence of lipid-laden, foamy histiocytes and Touton-type giant cells in the dermis. The lesions usually develop during infancy. They consist of cutaneous papules and nodules (most often in the head and neck). It is sometimes associated with deep soft tissues nodules. Also known as: JXG, Naevoxanthoendothelioma, multiple eruptive juvenile xanthogranuloma, xanthoma neviforme.