Moles: Cancer Risks and Skin Care Tips - Dermatology

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Do you have any questions related to moles?


I haven't washed my belly for a long time and just discovered two suspicious stone-like formations.
I pressed on them forcefully to clean, but they wouldn't come off.
I ended up pressing so hard that I caused bleeding on the surrounding skin, which made me realize something was wrong.
Now, one of them has had the top part removed, but the bottom is still dark, while the other one is bleeding.
If these are moles, is there a risk of cancer transformation?

e, 30~39 year old female. Ask Date: 2022/09/03

Dr. Wu Yuxin reply Dermatology


Bleeding should be assessed to determine whether it is due to trauma caused by forceful rubbing or if it is spontaneous bleeding, as these two scenarios have different implications.
It is advisable to consult a dermatologist as soon as possible for an examination.

Reply Date: 2022/09/03

More Info


Understanding moles and their potential risks is crucial for maintaining skin health and preventing skin cancer. Moles, or nevi, are common skin growths that can vary in color, size, and shape. While most moles are benign, some can develop into melanoma, a serious form of skin cancer. It’s important to monitor any changes in moles, especially if they exhibit characteristics such as asymmetry, irregular borders, multiple colors, a diameter larger than a pencil eraser, or if they evolve over time.

In your case, it seems you have discovered two areas on your skin that are concerning. The fact that you have been trying to scrub or pick at them, leading to bleeding, is a red flag. This could potentially irritate the skin further and increase the risk of infection. If these areas are indeed moles, and you notice changes such as bleeding or darkening, it is essential to consult a dermatologist as soon as possible. They can perform a thorough examination and may recommend a biopsy to determine if there are any cancerous cells present.

The risk of a mole becoming cancerous increases with certain factors, including a family history of skin cancer, excessive sun exposure, and having many moles or atypical moles. If you have a mole that has changed in appearance, especially if it has become darker or has started to bleed, it is crucial to seek medical advice. Early detection is key in treating skin cancer effectively.

In terms of skin care, here are some tips to help you maintain healthy skin and reduce the risk of skin cancer:
1. Regular Skin Checks: Perform self-examinations of your skin monthly. Look for any new moles or changes to existing moles. If you notice anything suspicious, make an appointment with a dermatologist.

2. Sun Protection: Protect your skin from harmful UV rays by using sunscreen with an SPF of at least 30, wearing protective clothing, and avoiding tanning beds. Reapply sunscreen every two hours, especially after swimming or sweating.

3. Healthy Diet: A balanced diet rich in antioxidants can help maintain skin health. Foods high in vitamins C and E, such as fruits, vegetables, nuts, and seeds, can support skin repair and regeneration.

4. Hydration: Drink plenty of water to keep your skin hydrated. Proper hydration can help maintain skin elasticity and overall health.

5. Avoid Picking at Moles: Resist the urge to pick at or scrub moles aggressively, as this can lead to irritation and potential infection.

6. Regular Dermatologist Visits: Schedule annual skin exams with a dermatologist, especially if you have a history of skin issues or a family history of skin cancer.

In conclusion, while most moles are harmless, any changes in their appearance or behavior should be taken seriously. Given your situation, it is advisable to consult a healthcare professional promptly to ensure proper evaluation and care. Early intervention can significantly improve outcomes if there are any underlying issues. Remember, taking proactive steps in skin care and monitoring can help safeguard your health.

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