Immunohistochemical staining revealed the following: Human melanoma black-45 (+), Melan-A (+), vimentin (+), S-100 (+), pancytokeratin (individual +), P53 (individual +), cluster of differentiation 34 (partial +), epithelial membrane antigen (−), glial fibrillary acidic protein (−), and Ki-67 index (2%) (Fig. 3C–F). This evidence concerns the gene MKI67 and melanoma.