- Asymmetry: One half of the mole does not match the other half.
- Border: the Border of an early melanoma tend to be uneven, crusty or notched.
- Color: the color of healthy moles are uniform. A variety of colors, or if it has shades of tan, brown, black, especially white and / or blue is a bad sign.
- Diameter: Diameter of the melanomas are usually larger than a pencil eraser.
- Evolving: The mole appears different from others and/or changing in size, color and shape.
It's a good idea to keep an eye out for dangerous moles. Moles can be linked to skin cancer especially if you have a family history of skin cancer linked to moles.
In addition to limiting your exposure to sunlight and using sunscreens, examining yourself for moles can help with early detection and treatment.
Skin Cancer Screening Schedule
If a close relative has a history of melanoma, or you have developed new moles you should examine your body once a month. Most moles are benign (non-cancerous).
If you notice changes in a mole's color or appearance, you should have a dermatologist evaluate it and take a biopsy to decide how to treat it. You also should have moles checked if they bleed, ooze, itch, appear scaly, or become tender or painful.
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