Mesothelioma tumors of the peritoneum include benign, malignant and cystic.Although peritoneal mesothelioma is the most common of these, it is very rare with an annual incidence of 1-2 cases per million persons. Only 10-20 percent of all mesotheliomas arise in the peritoneum. Peritoneal malignant mesothelioma occurs more commonly in adult males but also occurs rarely in children with equal sex incidence.Malignant mesothelioma occurs mainly late in the fifth decade of life, the benign type in the fourth decade and the cystic type in the third decade. The non malignant type are common in women.CauseThe link with asbestos exposure which is well established for pleural mesothelioma is not clear for peritoneal mesothelioma.Symptoms and Signs-Abdominal pain which may not be limited to any...
