Figure 1: Clinical and histological findings. (a) Clinical cutaneous manifestations. Flat-topped, red to brown papules and plaques distributed diffusely with deck-chair sign. (b) High magnification view of the skin eruption on the left abdomen. (c) Hematoxylin and eosin staining of a biopsy specimen from the forearm reveals the following findings: parakeratosis, necrosis of keratinocytes (arrows), vacuolar degeneration of the dermal–epidermal junction, and perivascular lymphocytic infiltration of the superficial dermis. Scale bar = 100 μm.