Dec 15, 2023 · Moles, also known as nevi, are a common type of skin growth. They often appear as small, dark brown spots that are caused by clusters of pigment-forming cells called melanocytes.

Dec 22, 2025 · See pictures of this type of skin cancer to know what skin changes might cause worry.

Dec 15, 2023 · If you have a mole that concerns you, your healthcare professional typically can let you know if it's normal or needs to be studied more. Your healthcare professional may send you to a …

Jan 18, 2022 · Learn more about the symptoms and treatments of this common, noncancerous skin growth that gradually appears as you age.

Dec 30, 2023 · Also, having a type of mole that isn't typical increases the risk of melanoma. Known medically as dysplastic nevi, these moles tend to be larger than typical moles.

Aug 6, 2020 · Learn about moles (nevi), what causes them, whether they put you at increased risk of skin cancer and how to check a mole for signs of skin cancer. Moles are a common type of skin growth.

Jul 2, 2021 · Most moles are harmless, but it's possible for melanoma — a rare but serious skin cancer — to develop in or near a mole. Although it may not be serious, a mole that bleeds is a possible sign …

Jul 24, 2005 · Petechiae (puh-TEE-kee-ee) are pinpoint, round spots that form on the skin. They're caused by bleeding, which makes the spots look red, brown or purple. The spots often form in …

Oct 8, 2019 · ANSWER: Seborrheic keratoses are a common skin issue, particularly in older adults. Although they don’t pose any health risks, these skin growths can be mistaken for a potentially more …

Jan 25, 2024 · Learn to identify types of birthmarks by how the skin looks. Examples include cafe au lait spot, congenital nevus, port-wine stain and hemangioma.