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What is mesothelioma and the types of mesothelioma

There are three types of Mesothelioma :
1.  Pleural Mesothelioma
2.  Peritoneal (abdominal) Mesothelioma
3.  Pericardial Mesothelioma

3.  Pericardial Mesothelioma

Pericardial mesothelioma is a disease that affects the lining of the heart, or pericardium. Sometimes doctors refer to this disease as mesothelioma of the pericardium. It is a common misconception that mesothelioma is a type of primary lung cancer; it is not. Mesothelioma is a cancer of the serous membranes. These membranes enclose a number of organs throughout the midsection of the body, including the heart. The most common type of mesothelioma is pleural mesothelioma, which affects the serous membranes of the lungs.

The least common form of mesothelioma cancer is pericardial mesothelioma. Pericardial mesothelioma can spread to the lungs and when this occurs, it is considered secondary lung cancer. Mesothelioma is also sometimes referred to as an asbestos lung cancer. Technically, this is also incorrect, since it does not originate in the lungs. Asbestosis is a type of asbestos lung disease that does originate in the lungs and is often confused with mesothelioma.

Pericardial mesothelioma cancer is found in less than 10% of mesothelioma patients. The only known cause of mesothelioma is exposure to asbestos. For pleural mesothelioma (cancer of the lung lining), the disease process is fairly well understood: it's caused by the inhalation of asbestos fibers that settle in the lungs, and become inserted in the lung lining (or pleura). These asbestos fibers are very durable and cannot be eliminated through the body’s processes. Over time, these fibers cause chronic inflammation that eventually leads to growth of cancerous tumors or, in some cases, asbestosis.

For pericardial mesothelioma, it is not clearly understood how the asbestos fibers become lodged in the heart serous lining or pericardium. It is possible that asbestos fibers, after being broken into smaller pieces in the lungs, are carried from the lungs into the blood stream. As the fibers are pumped through the heart, they become lodged in the heart lining. Once lodged in the pericardium, the chronic inflammation process leading to cancerous growths is similar to that occurring in pleural mesothelioma.

Because pericardial mesothelioma is so rare, there is little specific research on this type of mesothelioma. Approximately 2,000 new cases of mesothelioma are diagnosed each year, and fewer than 200 of them are pericardial mesothelioma.

Symptoms of Pericardial Mesothelioma

• chest pain

• irregular heartbeat

• Shortness of breath

• cough

Back : 1. Pleural Mesothelioma ; 2. Peritoneal (abdominal) Mesothelioma

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