Skin Cancer Awareness – What signs to look for?
We all know that we need to keep an eye on skin and be cautious with moles, freckles or spots. But what exactly are we looking for?
While nothing will replace the expertise of your doctor and you should always get any new growth checked out, there are some signs that may indicate it is melanoma skin cancer. Doctors often use an ABCDE scale:
1) Asymmetrical: a spot is more likely to be melanoma if it is asymmetrical. Most benign moles and freckles tend to have a uniform shape.
2) Blurred outline: the outline of the spot tends to merge gradually with the rest of your skin
3) Color variations: the outer edges tend to be varying shades or black, brown or blue
4) Diameter : more than 6 millimeters is usual
5) Elevation or enlargement: it is slightly raised or has become larger in size.
Although it is a useful list of symptoms it doesn’t cover every type of lesion. Your local skin cancer center should have leaflets available which explain in more detail the other symptoms that you could look for. It is wise to go see your medical advisor if there is any change in color, shape or size or if your skin feels different or starts becoming inflamed, bleeding or crusting over. Alternatively if you have a spot that just won’t heal, this could also be skin cancer and should be brought to the attention of medical staff. Prevention is much better than trying to cure this disease and your local cancer center will be happy to put your fears to rest.
So what does skin cancer screening involve? If your doctor suspects melanoma he will arrange for an excision biopsy to be carried out. The whole lesion is removed along with some normal skin around it and examined in a lab. Before this happens, he could arrange for you to have skin surface imaging which will reveal the details of changes in the appearance of the skin. Some of the more advanced skin cancer centers have computerized systems that can examine photographs of lesions and compare them to pictures or cancerous and non cancerous growths in order to make a diagnosis. This is a very advanced system and is rarely wrong.
When the lesion is removed, the surgeon will also remove some healthy tissue around the lesion. This is to ensure that no malignant cells are left behind which could spread the disease further in your body. But it is a delicate procedure as they cannot remove too much tissue in case the lesion is malignant as this will make treatment more difficult. If it is found to be skin cancer, the pathologist will report on the type, thickness and whether there is ulceration or not. The treatment you will have to undergo will depend to a large extent on the pathology findings. The cancer is staged from 1 to 4 with 4 being the most dangerous and difficult to cure.
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