Malignant melanoma is a type of skin cancer that can become life-threatening if left untreated. Australia and New Zealand have the highest incidence of malignant melanoma.

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Our skin contains normal pigment cells called melanocytes. These cells provide natural pigment, and also form moles (naevi) on our body. When melanocytes undergo cancerous changes (i.e. prolonged UV exposure) they become known as melanoma. The development of melanoma is influenced by both environmental and genetic factors.

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Malignant melanomas can arise as a new spot on your skin, or from an existing mole that has recently changed. It is important to tell your dermatologist about any new or changing moles. A biopsy is necessary to make a diagnosis of malignant melanoma. The treatment is dependent on the stage and type of malignant melanoma. Early stage melanomas are usually successfully treated with standard surgical excision.