Picture of Dysplastic Nevi (Atypical Moles)
Dysplastic nevi: Atypical moles 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 can give rise to malignant melanoma.
Text: MedTerms™ Medical Dictionary by MedicineNet, Inc.