Sunday, March 27, 2011

Mesothelioma

Description About Mesothelioma

The mesothelioma or more correctly malignant mesothelioma is a rare form of cancer develops from the protective lining that covers many of the body's internal organs, the mesothelium. Mesothelium is a membrane that covers the protect most of the internal organs of the body. Mesothelium produces a lubricating  fluid that is release between two layers of cells: One layer Immideatly surround the organs and the other forms a sac  around it. Mesothelium has different number of names, depending on its location in the body, peritoneum is the mesothelial tissue that  covers the most of the organs in the abdominal cavity. Pluera is the membrane that surrounds the lungs and line the wall of the chest cavity. Pericardium covers and protects the heart. Most cases of mesothelioma begin in pleura and peritoneum.
About 3,000 new cases of mesothelioma are diagnosed in United States each years. Mesothelioma occurs more often in the man than in woman and risk increase with age, but in many case this disease can appear in either man or woman at any age.

Here is the picture of mesothelioma disease.

Mesothelioma ( cancer of the mesothelium) is a disease in which cells of mesothelium become abnormal and divide without control or order, They can invade and damage nearby tissues and organs as you can see in the picture above. Cancer cells can also metastasize or spread from their original site to other parts of the body's.

Mesothelioma Causes
Mesothelioma is usually caused by asbestos exposure which occurs when asbestos fibers are inhaled or ingested and become lodged in human tissue, causing an infection. Asbestos is a naturally-occurring fibrous substans that widely used in the 20th century in a number of different industries. More than 30% of those diagnosed with mesothelioma are veterans. Beside that working with asbestos is the major causes for mesothelioma. A history of asbestos exposure at work is reported in 80% of all cases. However, mesothelioma has been reported in some individuals without any known exposure of asbestos.
In the different case Smoking does not appear to increase the risk of mesothelioma. However the combiation of smoking and asbestos exposure significantly increases a person's risk of developing cancer of the air passageways in the lung.

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