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Skin Cancers

Australia has the largest incidence of skin cancer in the world, largely as a result of our climate and our love of the sun, together with the fact that many of us have fair skin. There are three major types of skin cancer:

  • Basal cell carcinoma: the most common form of skin cancer , which begins in the outer layer of skin (epidermis).
  • Squamous cell carcinoma: the second most common type of skin cancer, which also begins in the epidermis.
  • Melanoma: the most serious form of skin cancer. It begins in skin cells called melanocytes that produce the skins colour (melanin).

An important step in the management of skin cancers and their associated risk is to detect them early. Detection can be achieved by performing regular self-checks and noting any irregularities and changes in moles and skin pigmentations.

Radiation Therapy for Skin Cancer

Traditionally surgery is the mainstay of treatment for skin cancers. However, radiation therapy can be recommended post-surgery to treat any microscopic disease that may be present. It is also the primary treatment mode on sites where it may be disfiguring to attempt a surgical removal, such as around the nose, eye, ear or mouth.

One advantage of radiation is its high chance of cure. Another is its ability to maintain the body's normal look, structure and function, avoiding major surgery and potential skin grafts.

Treatment for skin cancers typically takes place over a 3-6 week period. This depends on the site involved, whether or not you have surgery to remove the skin cancer, and the type of cancer. These cancers are often treated with superficial forms of radiation that penetrate only a short distance below the surface of the skin, keeping it away from the underlying tissue that does not require treatment.

Brachytherapy for Skin Cancer

The physical nature of brachytherapy and its ability to provide radiation dose at proximity without irradiating far beyond the immediate tissue, makes it a great treatment option for certain skin cancer scenarios.

Surface moulds and specialised applicators are used to perform brachytherapy for skin cancers. The applicators come in a variety of standard sizes, whilst the surface moulds are customised for each patient and are dependent on the treatment area size, shape and location.

The Genesis CancerCare NSW service at the Mater Hospital also has strong clinical links to Melanoma Institute Australia, through both our clinical trial involvement and close clinic proximities. Our radiation oncologists are active members of the Institute's multidisciplinary specialist team.

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