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Difference between revisions of "Seborrheic keratosis"
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===Micro=== | ===Micro=== | ||
The sections show skin with acanthosis, pseudohorn cysts | The sections show skin with acanthosis, pseudohorn cysts, hyperkeratosis and focal basal epidermal pigmentation. There is no basal nuclear atypia, and there are no | ||
melanocytic nests. Mitotic activity is not apparent. There is minimal dermal inflammation. There is no apparent solar elastosis. | melanocytic nests. Mitotic activity is not apparent. There is minimal dermal inflammation. There is no apparent solar elastosis. | ||
| Line 135: | Line 135: | ||
There is no hyperkeratosis or acanthosis. No pigmentation is apparent. No large blood | There is no hyperkeratosis or acanthosis. No pigmentation is apparent. No large blood | ||
vessels are identified. No nuclear atypia is seen. | vessels are identified. No nuclear atypia is seen. | ||
====Irritated SK==== | |||
The sections show skin with acanthosis, pseudohorn cysts, hyperkeratosis and basal epidermal pigmentation. There are no melanocytic nests. Mitotic activity is not readily apparent. A dermal lymphohistiocytic infiltrate is present. Reactive basal cell changes are present. There is no apparent solar elastosis. The lesion is incompletely | |||
excised. | |||
==See also== | ==See also== | ||