subject: Three Variations of Mesothelioma [print this page] There are three variations of Mesothelioma and each has its own symptoms, treatments and area of focus. Pleural Mesothelioma Pleural Mesothelioma refers this asbestos-caused cancer that affects the lungs. The thin sac that lines the chest cavity is called the pleura; inside that sac is a second sac that surrounds the lungs. These thin linings are the areas affected by Pleural Mesothelioma. The membranes that form the sacs, known as the mesothelium, secrete a fluid that allows the lungs to expand and contract during breathing. Tiny, sharp, microscopic fibers from asbestos or asbestos-related materials can be breathed into the lungs where they penetrate the lung walls and find their way into the pleural cavity. In the pleural cavity, these strands of asbestos damage the mesothelium, sometimes destroying it, and potentially cause Mesothelioma. Pleural Mesothelioma accounts for approximately 75% of all cases of Mesothelioma. Peritoneal Mesothelioma Peritoneal Mesothelioma refers to the asbestos-caused cancer that affects the peritoneum, the thin membrane that surrounds the parts of the gastrointestinal tract (stomach, intestines and other digestive organs) to provide lubrication so that they can move and function properly. When asbestos or asbestos-related material swallowed the tiny fibers enter the stomach penetrate the lining of the stomach. When the fibers penetrate the stomach wall and move into the lining of the peritoneum, they move into the inner lining and begin to mutate into cancerous cells. These cancer cells can overpower the normal healthy cells and become mesothelioma (cancer of the mesothelium). They can become tumors that prevent the stomach and intestines from working properly. Also, the stomach will be unable to continue making the protective lining that helps it to function. For the stomach and intestines to work and digest the food, they must be able to move about in the peritoneum and the mesothelioma prevents this. Peritoneal Mesothelioma is the second most common of the three variations. Pericardial Mesothelioma Pericardial Mesothelioma mainly affects the mesothelium of the pericardium (the sac surrounding the heart). Exposure to asbestos or asbestos-related materials that have been inhaled, make their way through the lungs and to the area of the heart where they enter the mesothelium around the heart. The heart must be able to move to function properly and the ease of movement of the heart is due to the constant lubrication in the membrane surrounding the heart. The lubrication of the thin layer of mucus comes from the mesothelium. Asbestos fibers that have been inhaled can pierce and damage the sac surrounding the heart and cause mesothelioma. The cancer can spread and tumors can grow as well that destroy the tissues of the hearts mesothelium. Pericardial Mesothelioma accounts for about 5% of all cases and the rarest of all of the Mesothelioma types.
Three Variations of Mesothelioma
By: K James
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