Melanoma is a malignancy of pigment-producing cells melanocytes located predominantly on the skin. Melanoma accounts for less than 5 of skin cancer . - Actual data from the mole identification task study. Moles identified as melanoma were clini.y diagnosed as such. The percent of parti.nts that scored a mole as atypical is listed under scored atypical. Non-melanoma/melanoma mole images are presented here in numerical order based on scored atypical..J Invest Dermatol. 2018 Jul;138 7 :1636-1644. doi: 10.1016/j.jid.2018.02.012. Epub . Whole-Exome Sequencing of Acquired Nevi Identifies .