Velvet plaques, also called acanthosis nigricans, are often found in people with diabetes and usually appear on the neck, armpits, and groin.
Freckles and age spots are found in fair-skinned people who are exposed to a lot of sunlight.
Moles are benign growths in most cases. but if any or the following features apply to your moles, seek help: Asymmetry, irregular borders, dark coloring and multiple colors, diameter bigger than a pea, or evolving or growing. These are called the ABCDEs and help you identify signs of melanoma.
Basal Cell Carcinoma
Basal cell cancers are usually colorless or pink with a pearly hue and sunken center, but they can also be flattened reddish spots.