PMC4357678_01
Verrucous epidermal nevus in the interscapular region, showing a darkened papule with pearly shine in its central portion.
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F1
At examination, a dark-brown pearly shiny papule 0.5 cm in diameter was observed on a linear brownish verrucous lesion of about 12 cm in the interscapular region (fig. 1).
Dermoscopy showing a cerebriform pattern with follicular pseudo-openings and a large ovoid nest with arboriform vessels (x10).
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F2
Dermoscopy evidenced a cerebriform pattern with follicular pseudo-openings and a large ovoid nest with arboriform vessels (fig. 2).
Histopathology showing epidermis with hyperkeratosis, acanthosis, papillomatosis and clear basal melanic pigment: verrucous epidermal nevus (HE, x40).
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F3
A thin epidermis on the dermal lesion represented by groupings of basaloid cells with a peripheral nuclear palisade, compatible with BCC, was also observed (fig. 3, fig. 4).