Figure 7.1
Verruca plana
Clinical Differential Diagnosis
Lentigo
Verruca plana
Congenital nevus
Epidermal nevus
Histopathology
A shave biopsy showed slight acanthosis with koilocytic (perinuclear halo clearing) changes in the upper epidermis. The nucleus showed raisinoid (wrinkled) changes (Fig. 7.2).