A 9-year-old boy presented with multiple hyperpigmented papules over flexors with polyuria, polydipsia and progressive loss of vision. Histopathology of papule suggested a diagnosis of non-Langerhans cell histiocytosis and systemic evaluation showed central diabetes insipidus and optic atrophy. With a diagnosis of xanthoma disseminatum with significant neurological involvement, he received cladribine therapy and showed significant improvement in both cutaneous and nervous system lesions.
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Contributors SP, SB, BKK and NB prepared, reviewed and finalised the manuscript.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Provenance and peer review Not commissioned; externally peer reviewed.
Patient consent for publication Parental/Guardian consent obtained.
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