Can Laser Removal of Moles Prevent Melanoma Risk?

Mole removal and issues related to melanoma?

Hello, doctor! I have a question.
Recently, I noticed two moles on my penis and went to see a dermatologist.
After the examination, they told me that they should be benign, but the only way to remove them is through laser treatment.
I would like to ask if laser treatment is effective in preventing them from turning into melanoma?

Niming, 20~29 year old female. Ask Date: 2016/11/18

Dr. Wu Yuxin reply Dermatology

Surgical excision is recommended to prevent melanoma.

Reply Date: 2016/11/18

More Info

Laser removal of moles, particularly benign ones, is a common procedure in dermatology. However, it is important to clarify that while laser treatment can effectively remove moles, it does not necessarily prevent the development of melanoma or other types of skin cancer.
Moles, or nevi, are generally benign skin lesions that can vary in size, shape, and color. Most moles are harmless, but some can develop into melanoma, a serious form of skin cancer. The risk factors for melanoma include a history of sunburns, excessive sun exposure, having many moles, and a family history of skin cancer.
When a dermatologist assesses a mole, they typically look for certain characteristics that may indicate a higher risk of malignancy, such as asymmetry, irregular borders, multiple colors, a diameter larger than 6mm, and changes in size or color over time. If a mole is deemed benign, the recommendation for laser removal is often based on cosmetic concerns rather than cancer prevention.

Laser removal can effectively eliminate the mole, but it does not address the underlying risk factors for melanoma. If a mole is removed, it is essential to have it properly examined histologically (microscopically) to confirm that it is indeed benign. If there are any concerns about the mole's characteristics, a dermatologist may recommend a biopsy instead of laser removal to ensure accurate diagnosis.

In terms of prevention, the best approach is to practice sun safety. This includes using sunscreen with a high SPF, wearing protective clothing, and avoiding tanning beds. Regular skin checks by a dermatologist are also crucial, especially for individuals with a higher risk of skin cancer. If you notice any changes in your skin or moles, such as new growths or changes in existing moles, you should consult a dermatologist promptly.

In summary, while laser removal can be an effective method for removing benign moles, it does not prevent melanoma. It is essential to maintain regular dermatological check-ups and practice sun safety to reduce the risk of developing skin cancer. If you have concerns about specific moles or your risk for melanoma, discussing these with your dermatologist is the best course of action.

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