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Mostly present at birth or develop during early infancy; grow
slowly during childhood and reach stable size at adolescence;
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Hyperplasia of epidermis, verrucous papules that coalesce to
form well-demarcated, skin colored to brown, papillomatous
plaques;
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Lesions may be localized or diffuse. Linear configurations are
common, especially on the limbs, and may follow skin tension
lines;
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Histology: hyperkeratosis, acanthosis and papillomatosis.
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Extensive verrucous epidermal nevi may be associated with the
epidermal nevus syndrome, a disease complex consisting of
various developmental abnormalities of the skin and eyes, as
well as the central nervous, skeletal, cardiovascular, and
urogenital systems.
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