Concerns About New Moles on Palms: When to Seek Medical Advice

Mole on the palm?

Hello Doctor: Recently, I discovered a nearly 1mm black mole on my palm.
A few years ago, I also had two moles over 1mm on the same palm.
I have read reports indicating that new moles appearing suddenly on the palms and soles should be monitored closely, so I had the previous moles excised.
Now, a new black mole has appeared.
I would like to ask if the black mole on my palm requires special attention, whether you recommend prompt excision, if the frequent appearance of moles is normal, and if further examination is necessary.
I kindly request your response! Thank you!

Wu Wei, 40~49 year old female. Ask Date: 2022/01/31

Dr. Wu Yuxin reply Dermatology

It is important to observe closely, but not every mole necessarily indicates a problem.
Each lesion should be monitored and discussed separately; having a higher number of moles does not automatically mean a higher risk.
If any lesion suddenly shows significant changes, it is advisable to consult a physician for evaluation.

Reply Date: 2022/01/31

More Info

When it comes to new moles or changes in existing moles, especially in areas like the palms of your hands or the soles of your feet, it is essential to approach the situation with caution. The appearance of new moles or changes in existing ones can sometimes indicate underlying health issues, including skin cancer, so it is wise to be vigilant.

Firstly, let’s discuss the characteristics of moles that may warrant further investigation. The ABCDE rule is a helpful guideline for assessing moles:
- Asymmetry: If one half of the mole does not match the other half.

- Border: Irregular, scalloped, or poorly defined edges.

- Color: A variety of colors (brown, black, tan, red, white, or blue) within the same mole.

- Diameter: Moles larger than 6mm (about the size of a pencil eraser) should be examined.

- Evolving: Any change in size, shape, color, or elevation, or new symptoms such as bleeding, itching, or crusting.

In your case, the new mole measuring nearly 1mm and the previous moles that were larger than 1mm should be monitored closely. While not all moles are cancerous, the fact that you have a history of moles on your palms and that they have been removed previously indicates that you should be proactive about your skin health.

The palms and soles are less common sites for moles, and the sudden appearance of new moles in these areas can indeed be a cause for concern. It is advisable to consult a dermatologist who can perform a thorough examination. They may recommend a dermatoscopic examination, which allows for a more detailed view of the mole, or a biopsy if they suspect any abnormalities.

Regarding your question about whether frequent appearances of moles are normal, it is not uncommon for individuals to develop new moles throughout their lives, especially during childhood and adolescence. However, the appearance of multiple new moles in adulthood, particularly in areas that are not typically exposed to the sun, should be evaluated by a healthcare professional.

If you have a family history of skin cancer or if you have had previous skin cancers, it is even more critical to seek medical advice promptly. Regular skin checks by a dermatologist are recommended, especially if you notice any changes in your skin or moles.

In summary, while the presence of a new mole on your palm may not necessarily indicate a serious issue, it is prudent to have it evaluated by a dermatologist, especially given your history. They can provide you with the best advice on whether the mole should be removed or monitored. Early detection is key in managing skin health, so do not hesitate to seek professional guidance.

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