case_images: PMC4040040_01
case_images: Multiple hyperpigmented, hyperkeratotic verrucous plaques over the neck, back distributed in a blaschkoid pattern with acanthosis nigricans at nape of neck
case_images: JPN-9-66-g001.jpg
case_images: PMC4040040_01_JPN-9-66-g001.jpg
case_images: F1
case_images: She also had acanthocytosis nigricans over nape of neck [Figure 1].
case_images: Skin biopsy suggestive of non-epidermolytic, non-organoid keratinocytic type of epidermal nevus with associated acanthosis nigricans
case_images: JPN-9-66-g002.jpg
case_images: PMC4040040_01_JPN-9-66-g002.jpg
case_images: F2
case_images: The histopathologic findings were suggestive of non-epidermolytic, non-organoid keratinocytic type of epidermal nevus with associated acanthosis nigricans [Figure 2].