Are Moles on Palm Lines Normal? Skin Concerns

A mole located on the palm line?

Recently, I noticed a mole on the edge of my palm.
Although it is small, its shape is asymmetrical.
Upon closer inspection, I found that the mole is located on a palm line, where the skin is of a normal color, while the areas without palm lines are the color of the mole (dark brown).
It appears as if the mole is interrupted by the palm line.
Is this situation normal, doctor?

Lurén Jiǎ, 20~29 year old female. Ask Date: 2024/07/18

Dr. Wu Yuxin reply Dermatology

It is advisable to have a dermatologist examine the condition in person before discussing further.

Reply Date: 2024/07/18

More Info

Moles, or nevi, are common skin growths that can appear anywhere on the body, including the palms. While it is not unusual to have moles on the palms, their characteristics can be significant in determining whether they are normal or warrant further examination.
In your case, you mentioned that the mole is small, asymmetrical, and located on a palm line. Asymmetry in moles can be a cause for concern, as it is one of the characteristics that dermatologists look for when assessing moles for potential malignancy. The fact that the mole appears to be interrupted by the palm line is interesting but does not inherently indicate a problem. Moles can develop in various patterns and can sometimes take on unusual shapes due to the underlying skin structure, such as lines and creases.

When evaluating moles, dermatologists often refer to the ABCDE criteria:
- Asymmetry: If you draw a line through the mole, the two halves do not match.

- 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) are more concerning.

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

Given that your mole is asymmetrical, it would be prudent to have it evaluated by a dermatologist. They can perform a thorough examination and, if necessary, a biopsy to rule out any potential issues.
Additionally, it’s important to consider the context of your skin health. Factors such as sun exposure, family history of skin cancer, and personal history of skin issues can all play a role in the assessment of moles. While moles are generally benign, changes in their appearance or the emergence of new moles, especially in adulthood, should be taken seriously.

In terms of skin concerns, the skin on the palms is different from other areas of the body. It is thicker and has a different composition, which can affect how moles appear. However, any unusual changes in the skin, including the development of new moles or changes in existing ones, should prompt a visit to a healthcare professional.

In conclusion, while moles on the palms can be normal, the characteristics you described—particularly the asymmetry—suggest that it would be wise to seek a professional evaluation. Early detection and intervention are key in managing skin health, especially when it comes to potential skin cancers. Always prioritize your skin health by monitoring changes and consulting with a dermatologist when in doubt.

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