Melanoma is the least common, but most aggressive of the two types of skin cancer. Melanoma originates in melanocytes-the cells in the skin that produce pigment or melanin.
In 2004, there will be about 95,880 new cases of melanoma diagnosed in the United States--about 4% of all diagnosed skin cancers--but it accounts for about 77% of skin cancer deaths, according to the ACS. One person dies of melanoma every hour.
The ABCDEs of Melanoma
These characteristics are used by dermatologists to classify melanomas. Look for these signs: Asymmetry, irregular Borders, more than one or uneven distribution of Color, or a large (greater than 6mm) Diameter. Finally, pay attention to the Evolution of your moles - know what's normal for your skin and check it regularly for changes.
If you see one or more of these, make an appointment with a dermatologist immediately. Please note that not all melanomas fall within the ABCDE parameters so visit your dermatologist regularly to catch any potiential issues early.
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A - Asymmetrical ShapeMelanoma lesions are often irregular, or not symmetrical, in shape. Benign moles are usually symmetrical. |
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B - BorderTypically, non-cancerous moles have smooth, even borders. Melanoma lesions usually have irregular borders that are difficult to define. |
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C - ColorThe presence of more than one color (blue, black, brown, tan, etc.) or the uneven distribution of color can sometimes be a warning sign of melanoma. Benign moles are usually a single shade of brown or tan. |
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D - DiameterMelanoma lesions are often greater than 6 millimeters in diameter (approximately the size of a pencil eraser). |
E - Evolution
The evolution of your mole(s) has become the most important factor to consider when it comes to diagnosing a melanoma. Knowing what is normal for YOU could save your life. If a mole has gone through recent changes in color and/or size, bring it to the attention of a dermatologist immediately.
