Early Signs and Symptoms of Pleural Mesothelioma
February 8th, 2010 Heidi WingrainInhaling asbestos filled air for longer durations result in a kind of cancer, which is called Mesothelioma. It is mainly classified into three categories. The most common among these is pleural mesothelioma and it is responsible for majority of the cases reported. In pleural mesothelioma, the protective membrane of our internal organs called mesothelium gets covered with the malicious loose asbestos fibers. This gradually damages the cells and affects its functioning. Mainly this type of cancer affects pleura, the protective lining around lungs and internal chest wall.
The pleura consist of parietal and visceral pleura. While the former covers the chest wall, the latter sheaths the lungs. A fluid between these two linings allows easy expansion and contraction of lungs. The inhaled asbestos gets into the minute passages of the lungs and later enters the pleura. A chemical reaction, which is still unknown to the medical world, takes place, which results in formation of cancerous cells. Cells start dividing unnaturally resulting in the pleural lining becoming thicker and accumulation of excess fluid. The thickening of pleura reduces breathing process, thereby causing breathlessness.
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