Figure 3: (a) A malignant epithelial neoplasm involving the epidermis and dermis consisting of numerous clear cells with nuclear atypia (hematoxylin and eosin 20×). (b) Large cell with broad and basophilic cytoplasm, as well as perinuclear halo, typical cytopathic changes found in patients with epidermodysplasia verruciformis (hematoxylin and eosin 400×)