Should You Be Concerned About Moles That Scab Over?

A mole that forms a scab on its own?

About the end of last year, I noticed some very small moles on my abdomen, each less than 1mm.
On the left side, there are five moles arranged in an arrow shape, spaced about 1 cm apart.
On the right side of my abdomen, there are three moles arranged in a triangular shape, spaced about 2-3 cm apart.
Recently, I discovered that there are two moles on both the left and right sides that have developed scabs.
I searched online and it seems like this is not a normal phenomenon.
Should I see a doctor, or is this normal? Thank you, doctor!

L, 20~29 year old female. Ask Date: 2016/03/09

Dr. Wu Yuxin reply Dermatology

Without actually seeing the lesion, it cannot be confirmed.
If it is causing significant distress, it is advisable to seek medical attention as soon as possible.

Reply Date: 2016/03/09

More Info

When it comes to moles that scab over, it is essential to approach the situation with caution and awareness. Scabbing on moles can be a sign of various conditions, some of which may require medical attention.
Firstly, it is important to understand that moles, or nevi, are common skin growths that can appear anywhere on the body. They are usually benign, but changes in their appearance can be concerning. The fact that you have noticed scabbing on your moles is significant. Scabbing can occur for several reasons, including irritation, trauma, or infection. However, it can also indicate more serious conditions, such as dysplastic nevi or melanoma, especially if the scabbing is accompanied by other changes in the mole, such as asymmetry, irregular borders, multiple colors, or an increase in size.

The arrangement of your moles, as you described them in arrow and triangle shapes, is not inherently concerning. However, the development of scabs on two of them raises a red flag. Scabbing can result from scratching, friction from clothing, or even sunburn. If you have been experiencing any of these factors, it might explain the scabbing. Nonetheless, if the scabbing persists, changes in color or size occur, or if you experience any itching, bleeding, or pain, it is crucial to seek medical evaluation.

In general, dermatologists recommend monitoring moles for any changes, often summarized by the ABCDE rule:
- Asymmetry: One half of the mole does not match the other.

- Border: Edges are irregular, ragged, or blurred.

- Color: The color is not uniform and may include shades of brown, black, or other colors.

- Diameter: The mole is larger than 6mm (about the size of a pencil eraser).

- Evolving: The mole is changing in size, shape, or color.

Given that you have observed scabbing, it is advisable to consult a dermatologist. They can perform a thorough examination and, if necessary, a biopsy to rule out any malignancy. Early detection is key in managing skin cancers effectively, and a healthcare professional can provide the best guidance tailored to your specific situation.

In conclusion, while scabbing on moles can sometimes be benign, it is essential to err on the side of caution. Given the potential implications, I strongly recommend scheduling an appointment with a dermatologist for a professional evaluation. They will be able to assess your moles accurately and provide you with peace of mind or necessary treatment if required. Remember, taking proactive steps regarding skin health is always a wise choice.

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