PMC4040040_01
Multiple hyperpigmented, hyperkeratotic verrucous plaques over the neck, back distributed in a blaschkoid pattern with acanthosis nigricans at nape of neck
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F1
She also had acanthocytosis nigricans over nape of neck [Figure 1].
Skin biopsy suggestive of non-epidermolytic, non-organoid keratinocytic type of epidermal nevus with associated acanthosis nigricans
JPN-9-66-g002.jpg
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F2
The histopathologic findings were suggestive of non-epidermolytic, non-organoid keratinocytic type of epidermal nevus with associated acanthosis nigricans [Figure 2].