Difference between revisions of "Non-malignant skin disease"

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(→‎IHC: +D2-40)
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***Usually thought of as fibroblasts surrounded by fibrous material ("collagen-trapping").
***Usually thought of as fibroblasts surrounded by fibrous material ("collagen-trapping").
*Lack of adnexal structures, i.e. no sweat glands, no hair.
*Lack of adnexal structures, i.e. no sweat glands, no hair.
*+/-Acanthosis (thickened epithelial layer - specifically thickened ''stratum spinosum'') with basal keratinocyte hyperpigmentation.
*+/-Epidermal changes - known as "dirty fingers":<ref>BD. 13 April 2011.</ref>
**May vaguely resemble ''basal cell carcinoma''.
**Acanthosis (thickened epithelial layer - specifically thickened ''stratum spinosum'').
**Basal keratinocyte hyperpigmentation.


Images:
Images:
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DDx:
DDx:
*[[Dermatofibrosarcoma protuberans]] (DFSP).
*[[Neurofibroma]].
*[[Neurofibroma]].
*[[Blue nevus]].
*[[Blue nevus]].
*[[Dermatofibrosarcoma protuberans]] (DFSP).
*[[Melanoma]].
*[[Melanoma]].


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