Sunday, September 19, 2010

Causes Mesothelioma Cancer

Mesothelioma is the growth of malignant cells in mesothelium, the thin membrane covering the internal organs. This mesothelium lining covers the pleural, peritoneal and pericardial cavities. Pleura is the membrane covering the lungs and is the most common location where mesothelioma cancer is known as pleural mesothelioma. Peritoneum, the protective lining of the abdominal cavity lines also can develop malignant tumors and cause peritoneal mesothelioma.

Mesothelioma is one of the rarest in the world that only cancer caused by asbestos exposure. Direct exposure can be through inhalation of asbestos exposure or indirect, in which the asbestos particles are inhaled from the clothing, hair, equipment or other items that were previously exposed to asbestos.

Causes Of Mesothelioma

Causes of Mesothelioma Asbestos is a naturally occurring fibrous mineral that is mined in various parts of the world to its two major utility in various industries. Asbestos fibers are known to cause cancer of mesothelium. Asbestos is the fibrous form of several minerals and hydrated silicates of magnesium found underground. There are three types of asbestos, blue, and while the brown one.

Pleural mesothelioma:

Asbestos fibers are very fine and their way to the lungs, where they indulge in the parenchyma of the lung and pleura by malignant mesothelial plaques later realized that Develops.

Pleura, lungs What anchors the thoracic cavity, is itself a double-layered membrane. The innermost layer, the visceral pleura surrounds the lungs, while the outer, better known as parietal pleura, forms the lining of the chest or thoracic cavity. As the disease progresses, the delicate pleural membranes thicken and press on the lungs. A fluid secreted by the malignant cells, pleural effusion, can collect between visceral and parietal pleura that causes problems with breathing and other complications.

Peritoneal mesothelioma:

Peritoneal mesothelioma, the asbestos fibers can cause cancer in the peritoneum, known as peritoneal mesothelioma. This leads to thickening of the membranes surrounding the abdominal organs and a collection of fluid, ascites in the abdominal cavity making it swell. Although it is not clear how peritoneal mesothelioma develops, it is expected that from the lungs, the asbestos fibers are transported to the abdomen and the bodies of the lymphatic system or they can be deposited in the gut through saliva contaminated with the asbestos fibers.

Pericardial Mesothelioma:

Pericardial Mesothelioma This is the rarest type of mesothelioma cancer that comprises only 5% of all mesothelioma cases. Like other forms of mesothelioma cancer, pericardial mesothelioma is also caused by the inhalation of asbestos dust and fibers. The lining of the chest cavity what protects the heart is known as pericardium. It is a very deadly disease that destroys the tissues around the heart and reduces the survival of the patient.

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