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Difference between revisions of "Dermatofibroma"
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| Caption = Dermatofibroma. [[H&E stain]]. | | Caption = Dermatofibroma. [[H&E stain]]. | ||
| Micro = | | Micro = prominent fibrous bundles - especially at the edge of the lesion ("collagen-trapping"), loss of adnexal structures, +/-"dirty fingers" ([[acanthosis]], basal keratinocyte hyperpigmentation) | ||
| Subtypes = | | Subtypes = cellular, deep penetrating, lipidized, epithelioid cell histiocytoma, fibrotic, aneurysmal, granular cell dermatofibroma, dermatofibroma with monster cells | ||
| LMDDx = [[DFSP]], [[neurofibroma]], [[blue nevus]], [[melanoma]], esp. desmoplastic neurotropic-type, [[fibromatosis]] | | LMDDx = [[DFSP]], [[neurofibroma]], [[blue nevus]], [[melanoma]], esp. desmoplastic neurotropic-type, [[fibromatosis]] | ||
| Stains = | | Stains = | ||