Figure 2: Histopathological findings. (a) The epidermis shows marked acanthosis and elongation of rete ridges (H and E, original magnification, × 10). (b) The epidermis is composed of clear cells without atypia (H and E, original magnification, × 100). (c) The corneal layer of the epidermis shows parakeratosis and is infiltrated with many erythrocytes and neutrophils (H and E, original magnification × 100). (d and e) The pale cells in the epidermis are (d) PAS-positive and (e) diastase-sensitive