An atypical mole is a mole that has a slightly different clinical and histological appearance than other common moles (structural disorders and melanocyte abnormalities). This article will help readers better understand what atypical moles are and how they are related to skin cancer.

Benign tumors do not invade nearby tissues or spread to other parts of the body like malignant cancer cells. Whether or not treatment for a benign tumor is necessary will depend on the nature and location of the tumor.