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m (→Histologic subtypes: fix typo) |
(→Lichenoid keratosis: +ddx AK) |
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===General=== | ===General=== | ||
*Caucasians - middle age or older. | *Caucasians - middle age or older. | ||
*May be a variant of [[seborrheic keratosis]] (with marked inflammation).<ref name=Ref_Derm346>{{Ref Derm|346}}</ref> | |||
Clinical DDx:<ref name=Ref_Derm346>{{Ref Derm|346}}</ref> | Clinical DDx:<ref name=Ref_Derm346>{{Ref Derm|346}}</ref> | ||
*[[ | *[[Basal cell carcinoma]], [[squamous cell carcinoma of the skin]], melanocytic neoplasm. | ||
===Microscopic=== | ===Microscopic=== | ||
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*[[Cutaneous T-cell lymphoma]]. | *[[Cutaneous T-cell lymphoma]]. | ||
*Regressed melanocytic lesion. | *Regressed melanocytic lesion. | ||
*Lichenoid [[actinic keratosis]] - has atypical hyperchromatic basal cells - esp. at edge of lesion, usu. in the context of [[solar elastosis]]. | |||
Images: | Images: |
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