Figure 2. Histological findings of a skin biopsy specimen from the left forearm
Pathophysiological examination with hematoxylin eosin staining. (a) Appearance of eruptions. An eruption surrounded by four dotted markings was investigated using microscopy. (b) Low magnitude (×40). Massive foam cells (indicated by arrows) infiltrating into the superficial layer of dermis. (c) High magnitude (×400). Eosinophilic substrate (asterisks), probably indicating extracellular lipids, were observed between collagen fibers. Additionally, foam cells are indicated by arrows.