First aid

Updated 12 May 2014

The danger signs of a lesion

Exposure to sunlight can increase your risk of developing one or more of the three types of skin cancer.

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Exposure to sunlight can increase your risk of developing one or more of the three types of skin cancer. Keep an eye on skin lesions – and check with your doctor if you detect a change.


Take action:


Contact your doctor if a lesion:

changes colour from light to dark or white to pale pink;
changes shape and size; develops irregular, swollen ridges;
peels, heals and peels again;
forms an ulcer in the centre and doesn't heal; or suddenly reappears.

Note: Most cancer lesions are not associated with bleeding, scab formation or pain.

Visit our Skin Centre for more info.

Image: Skin Cancer Foundation. This lesion has a dark brown, "pebbly" elevated surface against a lighter tan, macular background. The irregular, indistinct margin of the nevus helps to distinguish it from the small congenital-pattern nevus, which some dysplastic nevi closely resemble clinically. Its distinctive morphology, not its size (6 by 6 mm), identifies it as a dysplastic nevus (unusual mole).

Find out how to identify moles

 

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