The ABCDE Rule of Melanoma
Key Warning Signs to Monitor
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A - Asymmetry: One half doesn't match the other
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B - Border: Irregular, scalloped, or poorly defined edges
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C - Color: Variation in color from one area to another
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D - Diameter: Larger than 6mm (about the size of a pencil eraser)
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E - Evolving: Changing in size, shape, or color
Additional Warning Signs
- New growths or spots
- Spots that itch, bleed, or don't heal
- Changes in existing moles
- Dark spots under nails
Prevention Strategies
Sun Protection
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Apply Broad-Spectrum Sunscreen
- SPF 30 or higher
- Reapply every 2 hours
- Use year-round
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Protective Clothing
- Wide-brimmed hats
- UV-protective sunglasses
- Long-sleeved shirts
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Sun Avoidance
- Seek shade between 10 AM and 4 PM
- Avoid tanning beds
Regular Skin Checks
- Perform monthly self-examinations
- Schedule annual skin screenings with a dermatologist
- Document changes in existing moles
- Use photography to track changes
Risk Factors
- Fair skin
- History of sunburns
- Family history of skin cancer
- Multiple or atypical moles
- Immunosuppression
When to Seek Medical Attention
Consult a dermatologist immediately if you notice:
- Rapid changes in existing moles
- New growths with ABCDE characteristics
- Persistent skin changes or wounds
- Unusual skin sensations