Is a 0.6 cm Changing Mole on My Scalp a Cause for Concern?

A 0.6 cm mole has been found on the scalp, and it has changed color?

Today, a friend noticed a large mole on the top of my head, near the back of my skull.
It has a diameter of about 0.6 centimeters, with a brownish outer edge and a black center that is neither raised nor sunken.
Should I be concerned that this indicates a problem with my health?

Xiao Kang, 20~29 year old female. Ask Date: 2011/02/20

Dr. Zheng Zhong reply Neurosurgery

You need to see a neurosurgery or plastic surgery outpatient clinic.
A direct examination is necessary for diagnosis.
Thank you.

Reply Date: 2011/02/20

More Info

When it comes to moles or skin lesions, any changes in size, shape, color, or texture can be a cause for concern. In your case, you mentioned a mole on your scalp that is approximately 0.6 cm in diameter, with a coffee-colored outer edge and a black center. While I cannot provide a definitive diagnosis without a physical examination, I can offer some insights based on medical knowledge regarding skin lesions and moles.

Firstly, it is essential to understand that moles (also known as nevi) are common skin growths that can vary in color, size, and shape. Most moles are benign, but certain characteristics can indicate a higher risk of skin cancer, particularly melanoma. The ABCDE rule is a helpful guideline for assessing moles:
1. Asymmetry: If you draw a line through the mole, the two halves do not match.

2. Border: The edges of the mole are irregular, ragged, or blurred.

3. Color: The mole has multiple colors or an uneven distribution of color.

4. Diameter: Moles larger than 6 mm (about the size of a pencil eraser) are more concerning, but smaller moles can also be problematic.

5. Evolving: The mole is changing in size, shape, or color over time.

In your case, the mole is 0.6 cm, which is below the 6 mm threshold, but the presence of a black center and the fact that it is changing could be concerning. The color variation, particularly the presence of black, warrants further evaluation. While many moles are harmless, any mole that exhibits changes should be assessed by a healthcare professional.

Additionally, factors such as personal or family history of skin cancer, sun exposure, and skin type can influence the risk of developing skin cancer. If you have a history of excessive sun exposure or if you have many moles, it is even more critical to monitor any changes closely.

Given your description, I recommend scheduling an appointment with a dermatologist. They can perform a thorough examination and may recommend a biopsy if they suspect the mole could be malignant. Early detection is crucial in the management of skin cancer, and dermatologists are trained to identify concerning lesions.

In summary, while not all moles are a cause for concern, the characteristics you described suggest that it would be prudent to have the mole evaluated by a medical professional. They can provide a definitive diagnosis and, if necessary, discuss potential treatment options. Remember, it is always better to err on the side of caution when it comes to changes in your skin.

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