Review Article

Melanoma: From Melanocyte to Genetic Alterations and Clinical Options

Figure 3

Hypothetical model of Melanoma development. In 25% of cases, melanoma derives from a pre-existing nevus through a multistep process regulated by a key set of genes. Cells must acquire successive genetic lesions prior to forming tumors and metastases. Asterisks indicate genes mutated in the germline.
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