Fig. 2From: The efficacy of a photolyase-based device on the cancerization field: a clinical and thermographic study a Histologic examination of skin biopsy from cancerization field. The epidermis appears normal without evident atypia of the keratinocytes. In the dermis, marked actinic elastosis is present. b Proliferating cell in suprabasal layers, as marked with Ki67. c p53 expression of the epidermis in corresponding area of cancerization field (arrow)Back to article page