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Congenital melanocytic nevi
Congenital nevi are benign skin tumors composed of melanocyte-derived nevus cells. Many lesions have a pebbled surface and course terminal hair.
Congenital nevi with uniform surface characteristics and light pigmentation have little chance of degenerating into melanoma.
Congenital nevus with speckled surface showing uniform, darkly pigmented papules on a lightly pigmented background.