Necrobiotic xanthogranuloma
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Necrobiotic xanthogranuloma, abbreviated NXG, is a rare granulomatous skin condition.
General
- Usually elderly.[1]
Gross
Features:
- Periorbital - classic location.[2]
Microscopic
Features:[1]
- "Necrobiotic granuloma":
- Palisading granuloma with a core collagen-like material.
- +/-Cholesterol clefts - common.
- +/-Touton giant cells.
- +/-Atypical foreign body-type giant cells +/- asteroid bodies.
DDx:
- Granuloma annulare.
- Necrobiosis lipoidica - has plasma cells.
- Granuloma-forming infections - positive stains for microorganisms.
Image
See also
References
- ↑ 1.0 1.1 Busam, Klaus J. (2009). Dermatopathology: A Volume in the Foundations in Diagnostic Pathology Series (1st ed.). Saunders. pp. 629. ISBN 978-0443066542.
- ↑ Fernández-Herrera, J.; Pedraz, J. (Jun 2007). "Necrobiotic xanthogranuloma.". Semin Cutan Med Surg 26 (2): 108-13. doi:10.1016/j.sder.2007.02.008. PMID 17544963.