Mesothelioma – a type of cancer
Mesothelioma is a type of cancer affecting the mesothelial cells lining the chest and abdomen. Mesothelioma is a rare, although it seems to be on the rise. Approximately 2000-3000 new cases of mesothelioma are diagnosed every year in the U.S. alone. Symptoms for both types of mesothelioma are not specific only to this disease, and often go undiagnosed or are misdiagnosed for a significant amount of time. Difficulty breathing, abdominal pain and chest, and fever can all be attributed to other causes, and this cancer has a fair enough time to move before the diagnosis usually occurs. Because of the difficulty in the diagnosis of mesothelioma, survival time after diagnosis is approximately one year.
There are two main types of mesothelioma. The first type, pleural mesothelioma, spreads in the chest cavity and sometimes involves the lung. This type or cancer can metastasize to the organs of the body of one, including the brain.
Metastasis occurs more often than previously thought, and shows the progression of the disease. Symptoms of pleural mesothelioma include persistent pain in the chest and breathing difficulties caused by severe pleural effusion, or fluid buildup in the lining of cough, weight loss, fever and pleural are also common symptoms . The survival time for this type of mesothelioma is better than the peritoneal mesothelioma. The median survival time is 17 months, with ten percent of patients live for three years after diagnosis.
The second type of mesothelioma is peritoneal mesothelioma. This cancer invades the abdominal cavity, liver, spleen, and sometimes the bowels. The predominant symptoms of peritoneal mesothelioma include persistent pain in the region as well as a swollen abdomen due to accumulation of fluid in the abdomen and the organs affected. Other symptoms include nausea, vomiting, and swelling of the feet, fever, and difficulty moving the bowels. The prognosis for peritoneal mesothelioma is worse than that of pleural mesothelioma, with median survival time of only ten months after diagnosis.
Mesothelioma takes two rarer forms. Benin Mesothelioma Mesothelioma is a cancer of the peritoneum. The peritoneum is the lining of the principal organs in the chest and abdomen. It is difficult to diagnose, and appears more frequently in young women. Pericardial Mesothelioma is a rare heart cancer. Mesothelioma can also occur in the ovaries and the scrotum. The prognosis for these unusual types of mesothelioma, mesothelioma except Benin is very poor.
The progression of mesothelioma is decomposed in four stages. These steps provide a baseline for predicting how far along the cancer has spread. The scaffolding is based on X-rays, CT scans and MRI imaging. The decisions of treatment and prognosis depend on the stage of mesothelioma, as well as this if mesothelioma. In the first stage, the mesothelioma is present in the pleura, the lung, pericardium, or diaphragm, and is localized to one side of the body. Mesothelioma invades the chest wall or esophagus during the second stage. The second step can also see the cancer in the heart, the two sides of the pleura, or lymph nodes in the chest. The third stage involves penetration through the diaphragm into the peritoneum, and sees the cancer spread to lymph nodes further away. The fourth and final stage occurs when the tests provide evidence of metastases in distant organs. In the fourth floor, mesothelioma spreads through the bloodstream to these new views.
Mesothelioma is most often caused by exposure to asbestos. Asbestos was commonly used for insulation in homes or businesses. Schools, factories and military buildings were also found to contain asbestos. The radiation of thorium dioxide can also cause mesothelioma. This material was once used for X-rays, however, was not widely used for long. The zeolite, a silicate material related to asbestos, can also cause mesothelioma.