Non-X histiocytosis explained

Specialty:	dermatology

Non-X histiocytoses are a clinically well-defined group of cutaneous syndromes characterized by infiltrates of monocytes/macrophages, as opposed to X-type histiocytoses in which the infiltrates contain Langerhans cells.^[1] Conditions included in this group are:

• Juvenile xanthogranuloma
• Benign cephalic histiocytosis
• Generalized eruptive histiocytoma
• Xanthoma disseminatum
• Progressive nodular histiocytosis
• Papular xanthoma
• Hereditary progressive mucinous histiocytosis
• Reticulohistiocytosis
• Indeterminate cell histiocytosis
• Sea-blue histiocytosis
• Erdheim–Chester disease

See also

• X-type histiocytosis
• Histiocytosis

Notes and References

1. Book: James, William D. . Berger, Timothy G. . Andrews' Diseases of the Skin: clinical Dermatology . Saunders Elsevier . 2006 . 978-0-7216-2921-6 . etal.