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Cancer has a fearsome name. Not without reason either. It's an illness that has not yet entirely yielded to the talents and intelligence of medical scientists and doctors. And, as if the pain from the sickness isn't enough, the treatment for cancer, too, inflicts significant suffering on the body.
Cancer may be an illness characterized by uncontrolled and abnormal cellular division. Cancer spreads within the body and destroys tissues once the cancer cells travel through the bloodstream or the lymphatic system. The uncontrollable growth of cells is caused by mutations in the DNA within the cells that produce the cells unable to manage cellular division. This mutation will either be hereditary or acquired. The death rate in cancer depends on the kind of cancer and where it develops.
Among cancers, carcinoma (lung cancer) is that the biggest killer, inflicting up to three million deaths each year worldwide. It affects the above-50 age bracket population most and is one of the first common kinds of cancers that occur within Western countries. The primary risk factor for carcinoma is smoking. Tobacco smoke, especially, contains many carcinogens. It's estimated that eighty percent of all respiratory system cancers are caused by smoking. The role of passive smoking in causing carcinoma is additionally being recognized by studies.
Another substance that causes carcinoma is asbestos. This substance, which is widely used due to its fire-retardant qualities, causes a rare sort of cancer known as mesothelioma cancer. In mesothelioma )asbestos-caused lung cancer) or asbestos cancer, malignant cells develop within the serous membrane, the outer lining of the lungs and also the thoracic cavity.
The problem with asbestos or amphibole cancer is that diagnosing is troublesome. For one, the symptoms of mesothelioma cancer often occur 30-50 years after the exposure to asbestos. Second, the symptoms of amphibole lung cancer, like shortness of breath and pain, are just like those of the many other medical conditions.
The incidence of mesothelioma amphibole lung cancer has enlarged within the last twenty years. Still, it's thought of as a comparatively rare variety of carcinoma, as a result of the incidence rate is just one per 1,000,000 people. This might be as high as 7-40 per 1,000,000 within the industrialized nations. In contrast, the incidence of carcinoma is 1,000 per 1,000,000.
The conventional carcinoma treatments include surgery, chemo, and radiotherapy. However, the standard treatment strategies haven't been successful in the case of amphibole cancer, yielding only a median survival rate of 6-12 months after the presentation.
Again, surgery doesn't have much impact on small-cell carcinoma. A treatment technique for lung cancer that has become progressively more common in recent years is radiofrequency ablation. This method is particularly effective in destroying the cancerous cells within the tumors. These cells are 'cooked' by inserting a tiny heat probe into a tumor. This method is also non-toxic and causes little or no pain for the patient.
However, there's hope for the cancer-affected. Scientists are developing new techniques for treatment, akin to molecular-targeted therapies, for carcinoma. Better and more effective treatments may be expected as scientists and researchers coax out additional secrets from the human cells.
For more information: National Cancer Institute (NCI)