Changes in Moles: When to Seek Dermatological Advice

Issues related to moles?

Hello: Recently, I noticed a bump that looks like a mosquito bite just below a mole on my leg.
It appears that the mole is in the center of the bump, and the mole has become more raised than it was before.
Today, the raised area feels very prominent.
Could you please advise if this is a concerning issue? Should I seek medical attention?

maggie, 20~29 year old female. Ask Date: 2012/09/05

Dr. Wu Yuxin reply Dermatology

Keep observing; perhaps there really is a mosquito bite on it.
If it persists after a week, it is advisable to seek medical attention.

Reply Date: 2012/09/05

More Info

When it comes to changes in moles or any skin lesions, it is crucial to pay attention to the characteristics of the changes and to seek dermatological advice when necessary. Based on your description, you have noticed a raised bump that has developed beneath a mole on your leg, which was previously flat. This change in texture and elevation, especially if it has occurred relatively quickly, warrants a closer examination by a dermatologist.

Moles, or nevi, are common skin growths that can vary in color, size, and shape. While many moles are benign, certain changes can indicate potential issues, including the risk of skin cancer. 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: A mole larger than 6mm (about the size of a pencil eraser).

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

In your case, the fact that the mole has become raised and that there is a new bump underneath it could be indicative of a few possibilities. It might be a benign change, such as a dermatofibroma or a seborrheic keratosis, which are common skin growths. However, it could also be something more concerning, such as a melanoma or other skin cancer, especially if there are other concerning features.

Given that you have observed a significant change in the mole's appearance, it is advisable to schedule an appointment with a dermatologist as soon as possible. They can perform a thorough examination, and if necessary, a biopsy may be conducted to determine the nature of the growth. Early detection is key in managing skin conditions effectively, particularly when it comes to skin cancer.

In addition to monitoring changes in existing moles, it is also important to practice sun safety to reduce the risk of skin cancer. This includes using sunscreen with a high SPF, wearing protective clothing, and avoiding tanning beds. Regular skin checks, both self-examinations and professional evaluations, can help catch any changes early.

In summary, any noticeable change in a mole, especially a sudden elevation or the appearance of a new bump, should be evaluated by a healthcare professional. It is always better to err on the side of caution when it comes to skin health.

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