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The awareness of skin cancer increases everyday as more is known about the disease and more exposure is given to preventing the disease on television and radio than ever before. It is thought to be the most common form of cancer in the United States and Australia alone.
Whilst you might think that this is cause for concern, most forms of skin cancer are easy to treat and don’t pose a threat to life. Also the signs and symptoms of skin cancer are generally on the surface of the skin so are easy to spot. this means they can be treated early on, ensuring complete success.
However there is one form of the disease that can be life threatening if not caught early on. This is malignant melanoma. This article will discuss what is malignant melanoma and ways to prevent the disease.
It is generally accepted that any form of cancer is caused based on your genetic predisposition and your exposure to certain environmental conditions. When it comes to malignant melanoma, the environmental condition is thought to be exposure to ultraviolet radiation (UVA and UVB radiation). And the most common source of ultraviolet radiation that we are exposed to is the Sun (however things like sunbeds or tanning salons are just as bad if not worse ).
Being exposed to too much ultraviolet radiation can cause the DNA of a cell to mutate. The genes in the DNA that cause this are called oncogenes and make the cell cancerous. A characteristic of a cancerous cell is that it does not die but divides and multiplies. Sometimes this can happen at a rapid pace and the cancerous cells become invasive.
Invasive growth harms the surrounding tissues and organs. In some cases the cancerous growths can prevent the organs from functioning or can start to grow into the organs culminating with the destruction of the organ. Should the cancer get into the lymphatic system then it can spread throughout the body. When this occurs it becomes hard to stop the spread and difficult to treat.
So, whilst ultraviolet radiation and our exposure to sunlight is thought to be the primary environmental cause of malignant melanoma, there are a number of genetic factors that increase the risk.
Having a family member who has or had skin cancer in the past increases your chances of developing the disease. If your skin burns easily in the sun and turns red rather than tanning then you are more at risk. If you have light colored eyes or blond or red hair then you are more at risk. If you have moles on your body then you are more at risk to skin cancer.
Melanoma can start as a brown mark or spot on the skin. This may be hard to distinguish from an ordinary mole however if it starts to change color or gets larger then this may be a sign of melanoma. If you notice something like this happening on your body you should see a doctor.
It is virtually impossible to completely avoid sunlight and thus prevent melanoma. The only thing that is practical is to take measure to avoid being over exposed to the Sun. This means always wearing a hat and sunglasses. Wear clothing that covers most of your body. Put sunscreen on areas that are not covered by the clothing, like the face or arms.
April 5th, 2008 at 11:02 pm
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