Early Warning Signs of Skin Cancer: What to Look For at Home

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Dr. Narin Apisarnthanarax

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1/16/2026

Are you worried about an abnormal mole or a new growth on your skin? Understanding melanoma symptoms and knowing what causes skin cancer are essential steps in protecting your health. At Clear Lake Dermatology, serving the Greater Houston area, including League City and Webster, TX, our experienced team is here to help you monitor your skin and stay proactive. If you've noticed any concerning changes, don't wait. Call now to schedule a skin cancer exam. 

What causes skin cancer? 

So, what causes skin cancer? The primary cause of skin cancer is prolonged exposure to ultraviolet (UV) radiation. Over time, UV rays damage the DNA in our skin cells, which can lead to the development of cancerous cells. 

While anyone can get skin cancer, some people are more at risk than others. For example, those with a strong family history of skin cancer or lighter skin tones are at higher risk compared to other groups. Understanding your personal risk and booking regular skin cancer screenings can help you catch early-stage skin cancer before it progresses. 

Melanoma symptoms to watch for 

Melanoma is a more serious form of skin cancer, but it's also highly treatable when identified early. Melanoma symptoms often appear as changes in existing moles or the development of new, unusual ones. 

The ABCDEs of melanoma are a simple way to spot warning signs. This means that a mole should be examined by a dermatologist if it's asymmetrical, has blurred borders, shows multiple colors, has a diameter larger than a pencil eraser, or is evolving in size, shape, color, or texture. 

How to check your skin for early-stage skin cancer 

Performing regular self-exams can help you catch early-stage skin cancer before it becomes serious. Here's how:  

  • Stand in front of a full-length mirror and examine your face, neck, ears, chest, and abdomen 
  • Check your arms, hands, and the spaces between your fingers 
  • Sit down and examine your legs, feet, and the soles of your feet 
  • Use a handheld mirror to check your back, buttocks, and the back of your neck and scalp 
  • Ask a family member or partner to help check areas you can't see easily 

When to see a dermatologist 

Book a skin cancer exam at Clear Lake Dermatology in League City or Webster, TX if you notice:  

  • A new mole or an abnormal mole that looks unusual 
  • A current mole that changes in size, shape, or color 
  • A sore that doesn't heal within a few weeks 
  • A spot that itches, bleeds, or becomes painful 
  • Any lesion that raises concern, even if it seems minor 

Early detection is key to a successful treatment, so don't wait if something doesn't look right. A professional exam allows a dermatologist to perform an assessment and recommend next steps if needed. 

Protect your skin and catch problems early 

Are you ready to protect your skin and catch skin cancer before it becomes serious? Clear Lake Dermatology in the Greater Houston area, including League City and Webster, TX, is here to help. Our team specializes in early detection and offers regular skin evaluations for patients. Call today to schedule an appointment and take a proactive approach to your skin health.

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