Other types of Mesotheliomas

While the great majority of mesotheliomas are in either the pleura or the peritoneum, malignant mesotheliomas sometimes occur in other parts of the as, including the testicles (a variety of peritoneal mesothelioma) and the heart (a variety of pleural mesothelioma.) These are also caused by exposure to asbestos fibers. Benign mesotheliomas occur less frequently than malignant mesotheliomas. They are generally thought to be unrelated to asbestos exposure. Two thirds of benign mesotheliomas occur in females