Mesothelioma Sickness - What Are The Types Of Mesothelioma ?
Sunday, January 17th, 2010In recent years mesothelioma emerged as cancer that normally presents itself in malignant form and results in tumours in and around vital organs of the body. The definition of the word mesothelioma is literally cancer of the mesothelium (-oma being a medical term for cancer). The mesothelium is the sac that lines and protects vital organs such as the heart and the lungs, and this disease causes the cells of the lining to become abnormal and malignant.
Types of Mesothelioma include pleural mesothelioma, peritoneal mesothelioma and pericardial mesothelioma. Mesothelioma cancer affects the mesothelial tissue lining of the body’s three largest cavities; the pleura (lung cavity), the peritoneum (abdominal cavity) and the pericardium (heart sac). A type of malignant mesothelioma is based on the section of the mesothelium that it affects.
In each case, the cancer develops in mesothelial cells, which form the membranous linings that surround and protect organs. The different names for each type of mesothelioma refer to the point of origin of the cancer.The symptoms of all types of mesothelioma do not generally manifest for several decades after contraction. This can make the disease difficult to diagnose and all too often is too late to save the patient by the time a diagnosis is made.
Pleural Mesothelioma
Pleural mesothelioma develops in the mesothelial lining of the lungs, which is known as the pleura. About 75 percent of all mesothelioma cases are pleural.
Peritoneal Mesothelioma
Peritoneal mesothelioma develops in the peritoneal lining of the abdominal cavity. This is a relatively rare form of mesothelioma; approximately 10 to 20 percent of all mesothelioma cases are peritoneal in nature.
Pericardial Mesothelioma
Pericardial mesothelioma develops in the membrane that surrounds the heart, also known as the pericardium. This is a very rare form of mesothelioma, occurring in only 1 to 5 percent of cases. This form of mesothelioma is also very difficult to treat.
Testicular Mesothelioma
Testicular mesothelioma is the rarest of all mesothelioma cancers, as less than one hundred cases have been recorded. This type of mesothelioma develops in the lining that surrounds the testicles, known as the tunica vaginalis.Find more information about peritoneal mesothelioma here.
Asbestos is the common name for any variety of silicate materials that are fibrous in structure and are more resistant to acid and fire than other materials. There are three main types of asbestos: chrysotile, amosite, and crocidolite. Chrysotile asbestos is serpentine and amosite and crocidolite are amphibole. Chrysotile is the chief commercial asbestos today. Amosite is used in insulating materials and crocidolite is used for making asbestos-cement products. Canada is a main producer of asbestos, which has some of the largest asbestos mine fields in the world. Other producers are Russia, Zimbabwe, the Republic of South Africa, Cyprus, and the United States of America. Asbestos is a potent carcinogen, that is, a cancer-causing substance, and is a serious health hazard. It is the known cause of pleural plaques, asbestosis, mesothelioma, and causes cancers of the lung, esophagus, and colon.
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