Skin Cancer

Researcher discusses state of the immunotherapy field

After decades in the shadows, treatments that encourage a patient's own immune system to target their cancer – known as immunotherapy – have emerged as one of the brightest hopes in cancer research, and have rarely been ...

Sep 18, 2015
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Using ultrasound to improve drug delivery

Using ultrasound waves, researchers from MIT and Massachusetts General Hospital (MGH) have found a way to enable ultra-rapid delivery of drugs to the gastrointestinal (GI) tract. This approach could make it easier to deliver ...

Oct 21, 2015
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Kentucky election puts Medicaid expansion in crosshairs

Kentucky, one of the only Southern states to expand Medicaid under President Barack Obama's Affordable Care Act, could become the first state to repeal that expansion depending on the outcome of a closely contested governor's ...

Oct 16, 2015
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How can science help smokers to quit?

Craving for cigarettes plays a crucial role in driving people back to smoking when they try to stop. I want to explain what we think causes it and how best to deal with it to improve the chances of becoming an ex-smoker.

Sep 28, 2015
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Is your doctor choosing the right IV?

When we doctors sit down with patients in the hospital, discussions regarding diagnosis and prognosis are routine. For patients who need treatments such as antibiotics or chemotherapy beyond the hospital, our conversations ...

Oct 26, 2015
popularity20 comments 0

Skin neoplasms (also known as "skin cancer") are skin growths with differing causes and varying degrees of malignancy. The three most common malignant skin cancers are basal cell cancer, squamous cell cancer, and melanoma, each of which is named after the type of skin cell from which it arises. Skin cancer generally develops in the epidermis (the outermost layer of skin), so a tumor can usually be seen. This means that it is often possible to detect skin cancers at an early stage. Unlike many other cancers, including those originating in the lung, pancreas, and stomach, only a small minority of those affected will actually die of the disease, though it can be disfiguring. Melanoma survival rates are poorer than for non-melanoma skin cancer, although when melanoma is diagnosed at an early stage, treatment is easier and more people survive.

Skin cancer is the most commonly diagnosed type of cancer. Melanoma and non-melanoma skin cancers combined are more common than lung, breast, colorectal, and prostate cancer. Melanoma is less common than both basal cell carcinoma and squamous cell carcinoma, but it is the most serious — for example, in the UK there were over 11,700 new cases of melanoma in 2008, and over 2,000 deaths. It is the second most common cancer in young adults aged 15–34 in the UK. Most cases are caused by over-exposure to UV rays from the sun or sunbeds. Non-melanoma skin cancers are the most common skin cancers. The majority of these are basal cell carcinomas. These are usually localized growths caused by excessive cumulative exposure to the sun and do not tend to spread.

This text uses material from Wikipedia licensed under CC BY-SA

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