Dec 15, 2023 · Moles, also known as nevi, are a common type of skin growth that vary in color, shape and size. While most moles are most often harmless, they rarely can become cancerous.

Learn how to identify cancerous moles on the skin, and read about types, warning signs, causes, removal, and treatment.

Dec 6, 2025 · Most adults have 10 to 40 common moles, which are usually harmless. Moles come in various types, including common and atypical, each with distinct characteristics that can …

Common moles, dysplastic nevi, and melanoma vary by size, color, shape, and surface texture. The table below summarizes some differences between moles and cancer.

Feb 2, 2021 · Moles occur when cells in your skin grow in a cluster instead of being spread throughout the skin. Most moles are made of cells called melanocytes, which make the …

Sep 30, 2025 · Almost everyone has experienced some type of mole, which is a discolored growth on the skin. Moles appear when there's an overgrowth of skin pigmentation cells, but …

A melanocytic nevus (also known as nevocytic nevus, nevus-cell nevus, and commonly as a mole) [1][2] is a usually noncancerous condition of pigment-producing skin cells. It is a type of …

Moles respond to changes in hormone levels in women and may darken during pregnancy. Once formed, moles remain for a lifetime and get less pigmented and more raised or fleshy with time.

Adults who have light skin often have more moles. They may have 10 to 40 moles on their skin. This is normal. Most moles appear on the skin during childhood and adolescence. Moles will …

Nearly everyone has at least one mole — the medical term is “ nevus ” — a flat or raised colored spot on the skin. These spots (“nevi”) are created when skin pigment cells called melanocytes …