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Discovering the causes of cancer and the means of prevention


Moles to Melanoma: Recognizing the ABCDE Features

This online tool contains serial photographs of pigmented lesions: common moles, dysplastic nevi, and melanomas, taken over time. Includes associated clinical descriptors.  Explore the Moles to Melanoma website.

Each year, more than 68,000 Americans are diagnosed with melanoma, and another 48,000 are diagnosed with an early form of the disease that involves only the top layer of skin. DCEG researchers conduct studies on melanoma, a form of skin cancer. Selected studies include: