The skin biopsy specimen demonstrated a marked chronic inflammatory cell infiltrate composed largely of lymphocytes and plasma cells, with a few eosinophils. The infiltrate was present in all layers of the dermis and was mainly associated with blood vessels (Figure 2 and Figure 3). The overlying epidermis was normal.
Crusted Scarring Plaques on the Upper Part of the Back. Arch Dermatol. 1998;134(3):365-370. doi: