Changes in Moles: When to Seek Dermatological Advice - Dermatology

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Issues related to moles?


I originally had a black mole on my left side, but recently I noticed that the center of the mole looks a bit unusual, and the outer black area has faded.
I would like to ask the doctor if this is a cause for concern.

wk, 10~19 year old female. Ask Date: 2016/01/12

Dr. Li Yufen reply Dermatology


Hello: If the color and appearance of a mole have changed, it is advisable to consult a dermatologist nearby to confirm the possibility of malignant transformation.
For information regarding skin cancer, you can refer to the article by Dr.
Wu Yu-Hong from Mackay Memorial Hospital's Dermatology Department at http://www.mmh.org.tw/taitam/derma/academic/article/untitled-2.html.
Thank you!

Reply Date: 2016/01/12

More Info


When it comes to changes in moles, it is essential to approach the situation with caution and awareness. Moles, or nevi, are common skin growths that can vary in color, size, and shape. However, any noticeable changes in a mole can be a cause for concern, and it is advisable to seek dermatological advice.

In your case, you mentioned that the center of your mole has changed in color and that the outer edges, which were previously dark, have faded. These changes can be indicative of several conditions, some of which may require medical attention. 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 mole.

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

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

Based on your description, the fading of the outer edges and the unusual appearance of the center could suggest that the mole is evolving, which is a key factor to consider. While not all changes are indicative of skin cancer, such as melanoma, it is crucial to have any suspicious moles evaluated by a dermatologist. Early detection is vital for successful treatment if any malignancy is present.

In addition to the ABCDE rule, consider other factors such as your personal and family history of skin cancer. If you have a history of atypical moles or skin cancer in your family, it is even more important to have any changes evaluated promptly.

When you visit a dermatologist, they may perform a thorough examination of your skin and the mole in question. They might also recommend a biopsy, where a small sample of the mole is removed and examined under a microscope to determine if it is benign or malignant.

In the meantime, it is advisable to monitor the mole closely for any further changes. Avoid any irritation to the area, such as excessive sun exposure, which can exacerbate changes in skin lesions. Using sunscreen with a high SPF can help protect your skin from harmful UV rays, which can contribute to skin cancer.

In summary, while not all changes in moles are serious, it is always better to err on the side of caution. Given the changes you've observed in your mole, I strongly recommend scheduling an appointment with a dermatologist for a professional evaluation. They can provide you with the necessary guidance and reassurance, as well as any treatment options if needed. Remember, taking proactive steps in monitoring your skin health is key to maintaining overall well-being.

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