PMC2913809_01
(a) A solitary slightly palpable scaly erythema on the left leg. (b) The lesion is sharply marginated with a scaly surface. (c) The dermoscopic examination demonstrated dotted and glomerular vessels with a homogenous pinkish background. A broad and indistinct whitish negative network is seen at the periphery.
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fig1
A 57-year-old Japanese woman presented with a 1-year history of a solitary erythematous plaque on the left leg (Figures 1(a) and 1(b)). At the periphery of the lesion, there is a whitish negative network simulating Bowen's disease (Figure 1(c)).
Hematoxylin and Eosin stain shows massive band-like infiltrates of atypical lymphocytes with prominent epidermotropism within a hyperplastic epidermis ((a) x100, (b) x400).
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fig2
The histopathological examination of an excisional biopsy disclosed massive band-like infiltrates of atypical lymphocytes with prominent epidermotropism within a hyperplastic epidermis (Figures 2(a) and 2(b)).