Moles or pigmented nevi are flat or raised, brown spots on the skin. It is a problem that affects men and women, and it may appear on any part of the body and at any age. Developing moles is a sign of heredity, age and solar radiation, especially for fair-skinned people.
They are distinguished into hyperplastic and aplastic, while there are several types: acquired, dysplastic, congenital, blue nevus, Spitz nevus, nevus depigmentosus, etc.).
75% of patients with malignant
melanoma of the skin mention that they had a pigmented nevus in the exact same pot. It is important to know the key clinical signs which may be point to a possible development of a malignancy.
The first four letters of the Latin alphabet (ABCD) define the four warning signs that may raise suspicions as to whether a mole needs to be removed:
Asymmetry
Border
Colour
Diameter