Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Dysplastic nevus
Medically reviewed by Min Clinic Staff | Updated: January 2026
Dysplastic nevus: An atypical mole whose appearance is different from that of a common ordinary mole. Dysplastic nevi tend to be larger than ordinary moles, have more irregular borders, are often mixed in color and present in large numbers. A dysplastic nevus may be a marker for a person at risk for melanoma, especially if there is a family history of melanoma .