Genetic data on scalp melanomas from the COSMIC database report mutations of BRAF in 53/141 cases (37.6%), NF1 in 21/31 cases (67.7%), GNA11 in 16/64 cases (25%), GRIN2A in 15/31 cases (48.4%) and TP53 in 14/26 cases (53.8%) [24]. This evidence concerns the gene TP53 and melanoma.