Figure 3
From: Induction of vitiligo after imiquimod treatment of condylomata acuminata
Absence of melanin granules. a. Absence of melanin granules in epidermis. Normal dermis. (Masson-Fontana stain for melanin ×100). b. Absence of melanin granules in epidermal basal cell layer. (Masson-Fontana stain for melanin ×200).