Mesothelioma is a form of cancer that is nearly always caused by exposure to asbestos. In this disease, malicious cells develop in the mesothelium, a protective lining that covers the majority of the body’s internal organs. Its commonest site is the pleura ( outer lining of the lungs and internal chest wall ), but it could also occur in the peritoneum ( the liner of the abdominal cavity ), the heart, the pericardium ( a sac that surrounds the heart ) or tunica vaginalis.
When people inhale or ingest asbestos fiber floating in the air mesothelioma exposure takes place. Asbestos being a naturally occurring useful product, is used for various products like construction materials, cement, insulation equipment etc. Before put to industrial use, asbestos is made into fine threads, which are then woven together. The material was greatly in use during the Second World War for ship building and other war period activities. The extensive use of asbestos continued till the government banned its use after discovering the relationship between asbestos exposure and contraction of Mesothelioma.
With all its positive aspects, asbestos has the deadly negative character of causing cancer to our mesothelium, a protective membrane of our vital organs. The inhaled particles cause cancerous growth in this protective lining. It takes a very long period, in some cases more than fifty years, for the disease to become noticeable. This delay is the biggest reason why many patients die from mesothelioma exposure. In many cases, patients reach irretrievable stages before the cancer is diagnosed.
Till now many have been infected through mesothelioma exposure. People residing near the site of extraction, those working in factories where asbestos is used in a large scale and family members of the workers who come into contact with the particles through their cloths and hair are at greater risks of contracting the disease. Now different protective measures like wearing protective masks, having a bath and changing cloths before leaving the work place are undertaken. But many have already lost their lives to this fatal disease and many are living at the mercy of physicians and strong medicines. In addition, most of the present day patients are those people who got infected when there were no curbs and precautionary measures.
Mesothelioma exposure causes three types of cancer, typically, pleural mesothelioma, peritoneal mesothelioma and pericardial mesothelioma. The pleural variety is the most common while the pericardial cancer is the rarest but the most deadly. Since the prognosis of mesothelioma is not very encouraging, it is exceedingly essential that every person who has come under asbestos exposure at some point of time undergo proper medical checkups to detect any harmful growth in the mesothelium.
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