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Skin_Cancer

2013-11-13 来源: 类别: 更多范文

Skin Cancer The days when people sent children outside to play to get a little color in their cheeks are now long gone. Parents now know too much about the dangers of unprotected sun exposure and the threat of skin cancer. Skin cancer is the most common, and yet is the most curable form of cancer. Skin cancer is a deadly disease that alters the DNA of a skin cell and causes it to reproduce at a rapid pace. Research has found that most forms of skin cancer is due to sunlight, the exposure of ultra-violet rays. There are three main types of skin cancer: basal cell carcinoma, squamous cell carcinoma, and malignant melanoma. “Basal cell carcinoma is the most common form of skin cancer, affecting 800,000 Americans each year”. 1 Your basal cells, which are on the bottom of the epidermis, which is the outer skin layer, are affected. Cancer in the basal cell is called nonmelanoma cancer. This means that the cancer did not start in the melanocytes, located in the epidermis. 2 Basal cell carcinoma usually appears on the parts of the skin that have been exposed to the sun, although there have skin, cancer, cell, carcinoma, melanoma, basal, sun, type, spread, out, found, common, squamous, rays, people, one, body, areas, uv, tumor, treatment, stays, spreads, spreading, should, scar, pink, methods, look, form, every, epidermis, each, different, color
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