Pigmented lesions are exceedingly common and are darker areas of the skin caused by excess melanin in skin cells.
Pigmented lesions are exceedingly common and are darker areas of the skin caused by excess melanin in skin cells. Some pigmented lesions are present at birth, such as birthmarks, and some are acquired over time, such as sunspots on sun-exposed areas. Key examples of pigmented lesions include: freckles, moles, age spots, cafe-au-lait spots, sunspots, Nevus of Ota, Nevus of Ito, Mongolian spots, etc. Most pigmented lesions are begin.