Unexpected Moles on Your Skin: Causes, Concerns, and What to Do

Understanding Moles

Moles, medically known as nevi, are clusters of pigment-producing cells, the melanocytes. They are usually harmless and can appear anywhere on the body. Many people have moles that vary in size, shape and colour. Most moles develop in childhood or early adulthood and remain stable over time. However, unexpected moles that appear later in life can be a cause for caution and further investigation.

Causes of Unexpected Moles

While the precise cause of unexpected moles is not always clear, several factors can contribute to their appearance. These may include:

Sun Exposure: Prolonged exposure to the sun's ultraviolet (UV) rays can trigger the development of new moles or the enlargement of existing ones.

Hormonal Changes: Fluctuations in hormone levels, such as during pregnancy or puberty, can stimulate the growth of moles.

Genetics: Some individuals have a genetic predisposition to develop more moles than others. If you have a family history of atypical moles or skin cancer, you may be at a higher risk.

Age: As we age, our skin undergoes natural changes. This can lead to the development of new moles or alterations in existing ones.

Concerns and Signs to Watch For

While most moles are harmless, some unexpected moles may indicate potential issues. It is important to monitor any changes and look out for the following warning signs:

Asymmetry: Moles that have an irregular or uneven shape can be a cause for concern.

Edges Irregularity: Moles with jagged or blurred edges may require further evaluation.

Colour Variations: Moles that display multiple colours, such as brown, black, red or white, should be examined.

Diameter: Moles larger than a pencil eraser (6 mm) may warrant attention.

Evolution: Moles that change in size, shape, colour or texture over time should be closely monitored along with other changes that include spontaneous bleeding, scaling and itching.

Taking Action

If you unexpectedly notice moles on your skin, it is important not to panic but to take prompt action. Here are some steps to follow:

Self-Examination: Examine the skin regularly to identify any changes or new moles. Use a mirror to examine hard-to-see areas such as the back or scalp.

Consult a Dermatologist: If you notice any of the warning signs mentioned earlier or are concerned about a particular mole, seek professional advice. A dermatologist can conduct a thorough examination and determine if further investigation is necessary. At Angeline Yong Dermatology, we provide not only full body manual mole and skin cancer screening, but also have the capacity to perform digital mole mapping, providing patients with more precise evaluation and monitoring.

Digital Mole Mapping: A procedure that utilises specialised imaging technology to create a detailed record of the moles on the body. High-resolution images of the skin are captured, focusing specifically on the moles and documenting their size, shape, colour and location. This creates a baseline for the mole pattern, making it easier to identify changes in the future.

Biopsy or Removal: Depending on the dermatologist's evaluation, a biopsy may be recommended to examine the cells of the mole under a microscope. If the mole is found to be atypical or potentially cancerous, removal may be recommended. As a trained skin cancer specialist who specialises in skin cancer surgery including wide local excision and Mohs Micrographic Surgery, Dr Angeline Yong is not only able to provide a 360° screening of lesions, but also the necessary incisional or excisional biopsies and subsequent removal of malignant lesions if required. 

Conclusion

While unexpected moles can be alarming, it's important to approach them with a proactive mindset. Regular self-examinations, recognising warning signs and consulting a dermatologist in a timely manner can help to ensure that moles are detected early and treated appropriately if necessary. Remember that most moles are harmless, but when it comes to your skin health, it's always better to be safe than sorry.

If you notice any suspicious growths or changes to your skin, contact our dermatology clinic to discuss your concerns.

Angeline Yong Dermatology
6 Napier Road, #02-04/05

Gleneagles Medical Centre

Singapore 258499
T: +65 6252 0026 |E: info@ayd.com.sg | W: ayd.com.sg

About

Dr. Angeline Yong is a dermatological surgeon and dermatologist in Singapore specialising in skin cancer and Mohs Micrographic Surgery. With her fellowship training in the medical and surgical management of skin cancer, Dr. Yong offers holistic and comprehensive treatment, including long-term treatment plans, to patients with newly diagnosed skin cancer and those at risk of skin cancer recurrence.