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Difference between revisions of "Inflammatory skin disorders"
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Inflammatory skin disorders (view source)
Revision as of 16:33, 23 November 2012
, 16:33, 23 November 2012→Pyoderma gangrenosum: + necrobiotic xanthogranuloma
(→Pyoderma gangrenosum: + necrobiotic xanthogranuloma) |
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Image: | Image: | ||
*[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1513476/figure/fig5/ Pyoderma gangrenosum (nih.gov)]. | *[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1513476/figure/fig5/ Pyoderma gangrenosum (nih.gov)]. | ||
==Necrobiotic xanthogranuloma== | |||
===General=== | |||
*Usually elderly.<ref name=Ref_Derm629>{{Ref Derm|629}}</ref> | |||
===Microscopic=== | |||
Features:<ref name=Ref_Derm629>{{Ref Derm|629}}</ref> | |||
*"Necrobiotic granuloma": | |||
**Palisading granuloma with a core collagen-like material. | |||
*Cholesterol clefts - common. | |||
*[[Touton giant cell]]s. | |||
DDx: | |||
*[[Granuloma annulare]]. | |||
*[[Necrobiosis lipoidica]] - has plasma cells. | |||
*Granuloma-forming infections - positive stains for microorganisms. | |||
=DDx for pattern= | =DDx for pattern= | ||