Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Histiocytosis X
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Histiocytosis X: Now called Langerhans cell histiocytosis. This disease is subclassified into eosinophilic granuloma, Letterer Siwe disease, and Hand-Schuller-Christian disease.
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