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==Microscopic== | ==Microscopic== | ||
Features: | Features: | ||
*Features of malignancy:<ref name=pmid20668633/> | |||
**[[Desmoplastic stromal response]]. | |||
**Irregular dermis infiltrating cell clusters. | |||
*+/-Squamous differentiation. | |||
*+/-Basaloid differentiation. | |||
DDx:<ref name=pmid28954110/> | DDx:<ref name=pmid28954110/> |
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