"The Langerhans cell was discovered within the epidermis by German physician Paul Langerhans (1847-1888) in 1865 when he was a medical student and working under the famed Professor Rudolf Virchow (1821-1902) 9,10."
"Langerhans cell sarcoma: 50% survival"
"Erdheim-Chester Disease: a non-Langerhans cell histiocytosis"
"The disease is more common in the paediatric population, with a peak incidence between one and three years of age 5. Incidence is estimated at ~5 per million children, and 1-2 cases per million adults 8. There is also a male predilection (M:F ~1.5:1) 5."