Melanoacanthoma

Melanoacanthoma (also known as 'Pigmented seborrheic keratosis') is a common, benign, darkly pigmented cutaneous condition characterized by a skin lesion with a dull or lackluster surface.:770:687 Melanoacanthoma (also known as 'Pigmented seborrheic keratosis') is a common, benign, darkly pigmented cutaneous condition characterized by a skin lesion with a dull or lackluster surface.:770:687 It involves a proliferation of keratinocytes and melanocytes.