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peritoneal mesothelioma |
| A thin membrane of mesothelial cells, known as
the peritoneum envelops many of the organs in the abdomen. Peritoneal
mesothelioma is a tumor that is on this membrane. Its only known cause is
exposure to asbestos, and because it can lay dormant for many years it is
not detected until the tumor has begun to grow. Peritoneal mesothelioma
accounts for about one-fifth of all mesothelioma cases.
Like any cancer, peritoneal mesothelioma can be either benign or malignant. Mesothelioma is sometimes diagnosed by chance, before any symptoms have appeared. For example, the tumor is sometimes seen on a routine abdominal x-ray for a check-up or before surgery. The symptoms of peritoneal mesothelioma typically include abdominal
pains, weakness, weight loss, loss of appetite, nausea, and abdominal
swelling. Fluid often accumulates in the peritoneal space, a condition known
as ascites. Over time the symptoms can become more and more severe. |
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