วันพฤหัสบดีที่ 21 มกราคม พ.ศ. 2553

Causes of cancer mesothelioma


Mesothelioma is the growth of malignant cells in mesothelium, the thin membrane of the internal organs of the body. This mesothelium lining covers the pleural cavity, pericardial and peritoneal. Pleura is a membrane to the lungs and is the most common location where cancer mesothelioma occurs, also known as pleural mesothelioma. Peritoneum, the protective sheath that covers the belly of the cave may also develop malignant tumors and cause peritoneal> Mesothelioma.

Mesothelioma is a rare cancer in the world, which is caused only by exposure to asbestos. Exposure can be directly inhaled through the inhalation of asbestos exposure or indirect, in which the asbestos particles from clothing, hair, equipment and other goods that have previously been exposed to asbestos.

Causes of Mesothelioma Asbestos is a naturally occurring fibrous mineral that is mined in various parts of worldThanks to its wide application in various fields. However, it is a deadly carcinogen and mojor cause of mesothelioma and asbestosis.

Asbestos fibers are known to cause cancer of the mesothelium. Asbestos is the fibrous form of some minerals and silicates, hydrated magnesium found in the soil. There are 3 types of asbestos, blue, during one and one brown. Of these 3 types, also known as blue amphibole, long and thin in the most carcinogenicthan white or chrysotile known as amosite or brown.

The brown asbestos are, in some cases were also found it may cause mesothelioma. It is for this reason that the people who for a short period of exposure to asbestos, susceptible to disease.

Mesothelioma Asbestos fibers are very thin and light their way into the lungs where they lodge in the lung parenchyma and penetrate into the chest, which laterdevelops malignant mesothelial plaques.

Pleura, the lung is anchored to the chest, even a two-layer membrane. The inner layer of the pleura surrounding the lungs, while the outside is known as the pleura, the lining of the pleura and chest cavity. The two layers of the pleura are equipped with a liquid that helps them to slide over each other as we breathe filled. As the disease progresses to pleural thickening and press the delicate lungs. Fluid secreted bymalignant cells, pleural effusion, may also be between the visceral and parietal pleura, which causes breathing problems and other complications.

Peritoneal mesothelioma, asbestos fibers can cause cancer in the abdominal cavity, known as peritoneal mesothelioma. This leads to a thickening of the membranes surrounding the abdominal organs and the collection of a fluid, ascites in the abdominal cavity to swell.

It is not yet clear how Developed peritoneal mesothelioma, it is assumed that out of the lungs, the asbestos fibers are transported, and the abdominal organs through the lymphatic system, stomach, or through saliva contaminated with asbestos fibers are deposited.

Pericardial mesothelioma, this is the rarest type of mesothelioma cancer, only 5% of all cases including mesothelioma. As with other types of cancer, mesothelioma, pericardial effusion> Mesothelioma is caused by the inhalation of asbestos dust and fibers. The lining of the chest cavity which protects the heart, is known as the pericardium. It should be supported with a natural fluid or mucus lubrication is ensured at the heart continues to function properly and one of its tasks.

Since the asbestos particles continue to relax in the lining of the chest or pericardial, the cancer spreads throughout the body. Destroys the heart tissue and muscles, is veryDanger to life and proves fatal for the patient.

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