Mesothelioma Peritoneum or Peritoneal Mesothelioma gains its name due to the fact that one of the methods that mesothelioma is classified is based on the area of the body that the tumor is found during initial diagnosis.
When mesothelioma cells are found in the abdomen the diagnosis is Peritoneal Mesothelioma, which is the second most common diagnosis of all Mesothelioma cases. It usually occurs in about 10 to 20 percent of all cases of this type of cancer. Even though it is the second most common form it is still a fairly rare form of malignant mesothelioma.
Mesothelioma Peritoneum gains its name from the membranes lining the abdominal organs. These membranes are known as the mesothelial lining. These peritoneum consists of two layers. The parietal layer is the outer layer and the visceral layer which covers the internal organs and the intestines.
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It is believed that exposure to asbestos is a primary cause of peritoneal mesothelioma. In fact the National Cancer Institute claims that as much as 8 out of 10 cases of all mesothelioma cases stem directly from exposure to asbestos.