( For the texts and pictures books, publications, guidelines for example in awmf.org and contributions of colleagues were consulted.)
Moles area normal expression of the organism that occurs in our skin. It may take the form of flat brown spots or protruding from the skin. Their size ranges from few millimeters to several centimeters. Moles can occur anywhere in the body but are most common in parts of the body exposed to sunlight. The number and type of moles depends on genetic factors (heredity), and direct exposure to sunlight can affect their appearance.
The first are divided into small, large and gigantic. Their size starts from few millimeters to several centimeters and can reach to cover a large part of the limbs or body. They may have hairs on their surface and their color is usually shades of brown. In large and giant nevi the potential for melanoma development is 10%.