Figure 4From: Induction of vitiligo after imiquimod treatment of condylomata acuminata Normal skin (control): normal of melanocytes and melanin granules. a. presence of melanocytes and melanin granules in epidermis. Normal dermis (Masson-Fontana stain for melanin ×100). b. presence of melanocytes and melanin granules in epidermal basal cell layer. (Masson-Fontana stain for melanin ×200).Back to article page