Melanoma and Nonmelanoma Skin Cancer, Squamous Cell, Basal Cell Carcinoma

Skin cancer is generally separated into two main categories, melanoma and nonmelanoma. Melanoma is the most severe form of skin cancer. The nonmelanoma group encompasses all other skin cancers. The two most common forms of nonmelanoma skin cancer, squamous cell and basal cell carcinoma, are named for the squamous or basal cells which become cancerous.

The top layer of skin, the epidermis, is made up of basal and squamous cells. The surface of the skin is made of round, flat squamous cells, and below these are the basal cells. Hair follicles and sweat glands are in the dermis below the epidermis.

Treatment of basal or squamous cell carcinoma is usually very successful with no side effects if caught early enough. Since symptoms first appear on the skin, detection of skin cancer in its earliest stage of development is possible if you recognize it. These common cancers can be surgically removed if they have not advanced, making aggressive therapy unnecessary. The danger is in not recognizing the symptoms and not going to a doctor, or in contracting skin cancer in a place you wouldn’t normally see it and failing to find it before it metastasizes. To avoid this, you should do regular skin self-examinations, checking for any possible skin cancer symptoms. If you find a small lump, rash, or sore which does not heal, you should ask your doctor if it may be skin cancer.

Melanoma is named for the melanocyte cells which give pigment to the skin and can become cancerous. These cells are located between the dermis and epidermis, and can form benign growths known as nevi, or moles. This occurs when the melanocyte cells reproduce too fast or fail to die, and accumulate into harmless growths which do not spread like cancer does. Most people have between 10 and 40 moles throughout their skin, but having a significantly higher number of nevi is a risk factor for melanoma, as is having dysplastic, or irregularly shaped, nevi. If new moles form, or if changes occur in existing moles, especially dysplastic nevi, you should see a doctor because this may be a symptom of melanoma. Watch for any changes in the skin surrounding a mole, or in the size, shape, or color of the mole.

Generally, if you have a skin anomaly which may be skin cancer, your doctor will perform a biopsy. If the possible tumor can be conveniently removed, the doctor will remove it completely and test it for cancer. No further treatment may be necessary; if the cancer has progressed, you may need topical radiation or chemotherapy, the surgical removal of local lymph nodes, or more aggressive treatment if the cancer has metastasized. If it is not treated, wandering cancerous skin cells can travel through the body and create additional tumors in other organs or systems.

Any kind of skin cancer, squamous cell or basal cell carcinoma, or melanoma, should be treated as soon as it is discovered in order to prevent metastasis.

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To learn much more on Melanoma,Nonmelanoma Skin Cancer, Squamous Cell, Basal Cell Carcinoma types of skin cancer , visit http://www.SkinCancer-101.com where you'll find this and much more, including important information

Information on Lung Cancer

When you breathe in, air passes from your nose or mouth through the windpipe (trachea), which divides into two tubes (airways), one going to each lung. These are known as the right and left bronchus and they divide to form smaller tubes called bronchioles, which carry air through the lungs. At the end of the bronchioles are millions of tiny air sacs called alveoli. In the alveoli, oxygen is absorbed from air breathed in and passes into the bloodstream to be circulated around the body.

Lung cancer is one of the most common types of cancer. The lungs are a pair of cone-shaped organs situated inside the chest, they bring oxygen into the body and take out waste carbon dioxide. There is a strong link between smoking and lung cancer. There are two main categories of lung cancer; Small Cell Lung Cancer (SCLC) , and Non-Small Cell Lung Cancer (NSCLC). World-wide over 1 million people are diagnosed with lung cancer each year.

Sometimes the instructions to a cell go haywire and that cell and its offspring reproduce wildly, without regard for the shape and function of a lung. That wild reproduction can form tumors that clog up the lung and make it stop functioning as it should. Because of the large size of the lungs, cancer may grow for many years, undetected, without causing suspicion. Lung cancer can spread outside the lungs without causing any symptoms.Adding to the confusion, the most common symptom of lung cancer, a persistent cough, can often be mistaken for a cold or bronchitis.



The main types of lung cancer are small cell lung carcinoma and non-small cell lung carcinoma. This distinction is important because the treatment varies; non-small cell lung carcinoma (NSCLC) is sometimes treated with surgery, while small cell lung carcinoma (SCLC) usually responds better to chemotherapy and radiation.The most common cause of lung cancer is long term exposure to tobacco smoke. The occurrence of lung cancer in non-smokers, who account for fewer than 10% of cases, appears to be due to a combination of genetic factors, radon gas, asbestos, and air pollution, including second-hand smoke.

Lung cancer is one of the most common cancers in the world. It is a leading cause of cancer death in men and women in the United States. Cigarette smoking causes most lung cancers. The more cigarettes you smoke per day and the earlier you started smoking, the greater your risk of lung cancer. High levels of pollution, radiation and asbestos exposure may also increase risk.

Cancer of the lung, like all cancers, results from an abnormality in the body's basic unit of life, the cell. Normally, the body maintains a system of checks and balances on cell growth so that cells divide to produce new cells only when needed. Disruption of this system of checks and balances on cell growth results in an uncontrolled division and proliferation of cells that eventually forms a mass known as a tumor.

Yet most lung cancer deaths could be prevented. That's because smoking accounts for nearly 90 percent of lung cancer cases. Your risk of lung cancer increases with the length of time and number of cigarettes you smoke. If you quit smoking, even after smoking for many years, you can significantly reduce your chances of developing lung cancer. Protecting yourself from other risk factors for lung cancer, such as exposure to asbestos, radon and secondhand smoke, also decreases your risk.

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