Collaborative Hypertext of Radiology

histiocytosis X

aka: Langerhans cell histiocytosis LCH

intense proliferation of reticulohistiocytic cells

eosinophilic granuloma (EG)
- 60-80% of histiocytosis X
- age 5 - 10 yrs most common
- best prognosis
Hand-Schuller-Christian disease
- age 1 - 3 yrs
Letterer-Siwe disease
- age 0 - 1 yr
- worst prognosis

Charles E. Kahn, Jr., MD - 8 February 1995
Last updated: 1 October 2013