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Results 1 - 1 of 1 for Large congenital melanocytic nevus
  1. Are moles determined by genetics?: MedlinePlus Genetics 
    ... nevi, are almost always benign. Rarely, a very large mole, called a giant congenital melanocytic nevus , is present at birth. In rare cases, the most serious type of skin cancer (called melanoma ) may develop in this type of mole. Large, irregularly shaped and colored moles called dysplastic nevi ...
    https://medlineplus.gov/genetics/understanding/traits/moles - Genetics