• Histological markers enable the correct diagnosis of a pigmented lesion that histologically resembles a superficial spreading malignant melanoma and yet behaves in a wholly benign way. This pseudomelanoma occurs in young adults within a few weeks following partial surgical-shave excision of an intradermal melanocytic nevus. (Arch Dermatol111:1588-1590, 1975)
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Richard Kornberg (1975) studied this question.