MTAP and nevus: The polymorphisms rs751173, rs1341866 (both intergenic) and rs10811629 located in intron 5 of methylthioadenosine phosphorylase (MTAP) have been associated with cutaneous nevi while the three intergenic polymorphisms rs4636294, rs2218220, rs1335510 and the two intronic rs10757257 and rs7023329 with cutaneous nevi and melanoma [8,9].