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=====Seborrheic keratosis-like===== | =====Seborrheic keratosis-like===== | ||
The sections show skin with acanthosis with papillomatous features (round bulbous rete ridges, acanthosis with penetrating fibrovascular cores) pseudohorn cysts, parakeratosis and hyperkeratosis. There is no basal nuclear atypia | The sections show skin with acanthosis with papillomatous features (round bulbous rete ridges, acanthosis with penetrating fibrovascular cores) pseudohorn cysts, parakeratosis and hyperkeratosis. There is no basal nuclear atypia. There are no mitoses and no melanocytic nests. There is mild dermal inflammation. There is no solar elastosis. Pigment incontinence is present focally. | ||
==Lichen sclerosus== | ==Lichen sclerosus== |
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