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Difference between revisions of "Dermatofibroma"
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| Micro = Prominent fibrous bundles - especially at the edge of the lesion ("collagen-trapping"), loss of adnexal structures, +/-"dirty fingers" ([[acanthosis]], basal keratinocyte hyperpigmentation) | | Micro = Prominent fibrous bundles - especially at the edge of the lesion ("collagen-trapping"), loss of adnexal structures, +/-"dirty fingers" ([[acanthosis]], basal keratinocyte hyperpigmentation) | ||
| Subtypes = Cellular, deep penetrating, lipidized, epithelioid cell histiocytoma, fibrotic, aneurysmal, granular cell dermatofibroma, dermatofibroma with monster cells | | Subtypes = Cellular, deep penetrating, lipidized, epithelioid cell histiocytoma, fibrotic, aneurysmal, granular cell dermatofibroma, dermatofibroma with monster cells | ||
| LMDDx = | | LMDDx = [[DFSP]], [[neurofibroma]], [[blue nevus]], [[melanoma]], esp. desmoplastic neurotropic-type, [[fibromatosis]] | ||
| Stains = | | Stains = | ||
| IHC = | | IHC = | ||
| Line 14: | Line 14: | ||
| Gross = | | Gross = | ||
| Grossing = | | Grossing = | ||
| Site = | | Site = [[skin]] | ||
| Assdx = | | Assdx = | ||
| Syndromes = | | Syndromes = | ||
| Line 24: | Line 24: | ||
| Endoscopy = | | Endoscopy = | ||
| Prognosis = | | Prognosis = | ||
| Other = | | Other = previous trauma | ||
| ClinDDx = | | ClinDDx = | ||
}} | }} | ||