Melanocytic nevus risk factors

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Qurrat-ul-ain Abid, M.D.[2]

Most important risk factor for melanocytic nevus is sunlight however, genetic predisposition is an important factor as well.

• According to the American cancer society risk factors for melanocytic nevi are the following:^[1]
  • Exposure to ultraviolet (UV) rays.
  • Genetic factors such as Dysplastic nevus syndrome (also known as familial atypical multiple mole melanoma syndrome, or FAMMM.
  • Fair skin, freckling, and light hair.
  • Family history of melanoma.
  • Personal history of melanoma or other skin cancers.
  • Having a weakened immune system.
  • Olde age
  • Male gender
  • Xeroderma pigmentosum