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Dermatology Basics: 5 Signs a Mole Could Be Cancerous

In Australia, skin cancer is a significant concern, with one of the highest rates in the world. It’s estimated that two in three Australians will be diagnosed with skin cancer by the age of 70. With this in mind, it’s essential to keep an eye on your skin. Since moles are so common, knowing the difference between a harmless mole and one that could be cancerous is vital. The ABCDE method is an easy way to identify potential melanoma. If you spot any of the following changes, it’s time to visit your dermatologist.

Asymmetry:

A healthy mole should be symmetrical. If one half doesn’t match the other, it could be a sign of abnormal or cancerous cells, and a dermatologist should take a closer look.

Border:

The edges of a normal mole are typically smooth and even. If the borders are irregular, jagged, or blurred, this may be an indicator of melanoma.

Colour:

Moles can vary in colour, but it’s important that the colour is consistent. Be cautious if you notice a mole with multiple shades of brown, black, or even patches of red, white, blue, or pink.

Diameter:

Pay attention to the size of your moles. Any spot larger than 6mm (about the size of a pencil eraser) should be checked by a professional. However, some melanomas can be smaller, so don’t ignore the other warning signs.

Evolving:

Moles generally stay the same throughout your life. If you notice any changes in size, shape, or colour, it’s a good idea to make an appointment with a dermatologist.

The good news is that treatment for abnormal or potentially cancerous moles is usually straightforward. Your dermatologist can often remove the mole during a simple outpatient procedure such as a biopsy. But, as with any cancer, early detection is key. If you’re concerned about a mole, don’t wait — book an appointment with your dermatologist as soon as possible.

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