Chapter 6: Table 6-1 - Warning Signs of Melanoma

asymmetry

benign moles are symmetrical & melanoma lesions are assymetrical

color

benign moles are evenly colored & melanoma lesions tend to exhibit a mixture of shades/colors

border

benign moles have a distinct border while melanoma lesions are often irregular in shape

diameter

melanoma lesions that are identified by their asymmetry and irregular border/color have typically grown to 6mm (1/4 inch) or larger

evolving

moles that continue to evolve over time may be cancerous & melanoma lesions may begin to itch, form an ulcer, or bleed