... Shades of brown mixed with bluish red (violaceous), bluish black, reddish brown, and often whitish pink, and the border of lesion is at least in part aDuring much of this time, the ... spreading melanoma is the most frequent variant observed in the white population. Melanomas arising in dysplastic nevi (see below) are usually of this type. The back is the most common site ... confined to the epidermis. Source: Adapted from AJ Sober, in Pathophysiology of Dermatologic Diseases, NA Soter, HP Baden (eds). New York, McGraw-Hill, 1984. A fifth type of melanoma, the desmoplastic...