Melanoacanthoma
Encyclopedia
Melanoacanthoma is a common, benign, darkly pigmented cutaneous condition characterized by a skin lesion with a dull or lackluster surface.

It involves a proliferation of keratinocyte
Keratinocyte
Keratinocytes are the predominant cell type in the epidermis, the outermost layer of the human skin, constituting 95% of the cells found there. Those keratinocytes found in the basal layer of the skin are sometimes referred to as "basal cells" or "basal keratinocytes"...

s and melanocyte
Melanocyte
-External links: - "Eye: fovea, RPE" - "Integument: pigmented skin"...

s.
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