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

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© 2002, C.E. Kahn, Jr.
2002-04-18