Melanoma Detection: The ABCDE Warning Signs

Understanding Melanoma Warning Signs

Melanoma is a serious form of skin cancer that requires early detection for the best outcomes. Learn these essential warning signs using the ABCDE rule:

The ABCDE Rule

A - Asymmetry

• One half of the mole doesn't match the other half
• Healthy moles are typically symmetrical

B - Border

• Irregular, notched, or ragged borders
• Normal moles have smooth, even borders

C - Color

• Multiple colors or uneven coloring
• Watch for variations in brown, tan, black
• Red, white, or blue areas are concerning

D - Diameter

• Larger than 6 millimeters (pencil eraser size)
• Though smaller melanomas are possible

E - Evolution

• Changes in size, shape, or color over time
• New symptoms like itching or bleeding

Additional Warning Signs

• New moles appearing in adulthood
• Moles that look different from others ("ugly duckling" sign)
• Sores that don't heal

When to Seek Medical Attention

Contact your dermatologist if you notice:

• Any of the ABCDE warning signs
• Changes in existing moles
• Unusual skin changes

Prevention Tips

1. Monthly self-skin examinations
2. Annual professional skin checks
3. Sun protection (SPF 30+)
4. Protective clothing
5. Avoiding peak UV hours