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Difference between revisions of "Seborrheic keratosis"
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===Micro=== | ===Micro=== | ||
The sections show skin with acanthosis, pseudohorn cysts, parakeratosis, hyperkeratosis and focal basal epidermal pigmentation. There is no basal nuclear atypia, and there are no | The sections show skin with acanthosis, pseudohorn cysts, parakeratosis, hyperkeratosis and focal basal epidermal pigmentation. There is no basal nuclear atypia, and there are no | ||
melanocytic nests | melanocytic nests. Mitotic activity is not apparent. There is minimal dermal inflammation. There is no apparent solar elastosis. | ||
apparent solar elastosis. | |||
====Without horn pseudocysts==== | ====Without horn pseudocysts==== | ||