ABCDEs of Skin Cancer
How to Spot a Suspicious Mole
Melanoma is a type of skin cancer that develops in melanocytes, the cells responsible for producing melanin, which gives skin its pigment. While melanoma can develop anywhere on the body, it is most commonly found on areas exposed to the sun, such as the face, back, arms, and legs. However, it can also occur in areas that receive little sun exposure, like the soles of the feet, under the nails, and even inside the mouth.
When detected early, melanoma is highly treatable, but if left unchecked, it can spread to other parts of the body, making treatment more difficult. Early melanoma can be challenging to spot. This is why understanding the ABCDEs of melanoma is important.
The ABCDE rule is a simple and effective way to evaluate moles and identify potential warning signs of melanoma. Each letter represents a characteristic that can help determine whether a mole or skin lesion needs further evaluation by a dermatologist.
A normal mole is typically symmetrical, meaning that if you were to draw an imaginary line through the center, both halves would look the same. In contrast, melanoma lesions often appear asymmetrical, with one half looking different from the other. If you notice a mole that has an irregular shape or an uneven appearance, it could be a warning sign that requires medical attention.
Benign moles usually have smooth, even borders that are well-defined. However, melanomas often have irregular, jagged, or blurred edges that seem to fade into the surrounding skin. If the border of a mole appears scalloped, notched, or poorly defined, it may be a sign of abnormal cell growth and should be evaluated by a dermatologist.
Healthy moles tend to have one uniform color, typically tan, brown, or black. In contrast, melanoma can present with multiple colors within the same lesion. A mole that contains shades of brown, black, blue, red, white, or even gray should raise concern. Uneven pigmentation or sudden changes in color may indicate that abnormal cells are developing.
While benign moles are often small, melanomas tend to grow larger over time. A mole that is larger than 6 millimeters in diameter (about the size of a pencil eraser) should be monitored closely. However, some melanomas can be smaller when first detected, which is why regular skin checks are essential. Any increase in the size of a mole should be taken seriously.
One of the most critical warning signs of melanoma is change over time. Normal moles remain stable, while cancerous moles often evolve in size, shape, color, or texture. Pay attention to any mole that suddenly becomes itchy, scaly, crusty, or starts to bleed. A mole that changes rapidly or behaves
When you are concerned about a skin lesion, don’t wait. At Apex Skin Center, we are here for you and your skin. Early skin cancer diagnosis and treatment are the keys to a successful outcome and your peace of mind. Board-certified dermatologist and fellowship trained Mohs surgeon Dr. Thomas Knackstedt and the team at Apex Skin Center in Fuquay Varina look forward to serving you. Contact Apex Skin Center to schedule a consultation or book your visit online in a few easy steps.
At a Glance
Dr. Thomas Knackstedt
- Double board certified in dermatology and Mohs Surgery
- Over ten years of experience providing evidence-based care
- Nationally renowned physician leader with numerous publications, lectures, and academic affiliations
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