Difference between revisions of "Necrobiotic xanthogranuloma"
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==Gross== | ==Gross== | ||
Features: | Features: | ||
*Yellow plaques. | |||
*Periorbital - classic location.<ref name=pmid17544963>{{Cite journal | last1 = Fernández-Herrera | first1 = J. | last2 = Pedraz | first2 = J. | title = Necrobiotic xanthogranuloma. | journal = Semin Cutan Med Surg | volume = 26 | issue = 2 | pages = 108-13 | month = Jun | year = 2007 | doi = 10.1016/j.sder.2007.02.008 | PMID = 17544963 }}</ref> | *Periorbital - classic location.<ref name=pmid17544963>{{Cite journal | last1 = Fernández-Herrera | first1 = J. | last2 = Pedraz | first2 = J. | title = Necrobiotic xanthogranuloma. | journal = Semin Cutan Med Surg | volume = 26 | issue = 2 | pages = 108-13 | month = Jun | year = 2007 | doi = 10.1016/j.sder.2007.02.008 | PMID = 17544963 }}</ref> | ||
**66% of cases periorbital in one series.<ref name=pmid27238425>{{Cite journal | last1 = Higgins | first1 = LS. | last2 = Go | first2 = RS. | last3 = Dingli | first3 = D. | last4 = Kumar | first4 = SK. | last5 = Rajkumar | first5 = SV. | last6 = Dispenzieri | first6 = A. | last7 = Buadi | first7 = FK. | last8 = Lacy | first8 = MQ. | last9 = Lust | first9 = JA. | title = Clinical Features and Treatment Outcomes of Patients With Necrobiotic Xanthogranuloma Associated With Monoclonal Gammopathies. | journal = Clin Lymphoma Myeloma Leuk | volume = | issue = | pages = | month = May | year = 2016 | doi = 10.1016/j.clml.2016.04.009 | PMID = 27238425 }}</ref> | |||
==Microscopic== | ==Microscopic== | ||
Revision as of 20:15, 17 June 2016
Necrobiotic xanthogranuloma, abbreviated NXG, is a rare granulomatous skin condition.
General
Gross
Features:
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.
- ↑ Seastrom, S.; Bookout, A.; Hogan, DJ. (Dec 2014). "Necrobiotic xanthogranuloma without a monoclonal gammopathy.". Cutis 94 (6): 293-6. PMID 25566570.
- ↑ 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.
- ↑ Higgins, LS.; Go, RS.; Dingli, D.; Kumar, SK.; Rajkumar, SV.; Dispenzieri, A.; Buadi, FK.; Lacy, MQ. et al. (May 2016). "Clinical Features and Treatment Outcomes of Patients With Necrobiotic Xanthogranuloma Associated With Monoclonal Gammopathies.". Clin Lymphoma Myeloma Leuk. doi:10.1016/j.clml.2016.04.009. PMID 27238425.