What is mesothelioma?

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Mesothelioma starts in cells of the mesothelium. A tumorous  tumour is a collection of cancer cells that can produce into and end nearby tissue. It can also feast (metastasize) to other portions of the body.

The mesothelium is a membrane that covers and protects most of your inner organs. It is made up of 2 layers. The inner layer wraps round different organs, with the lungs, heart and stomach. The outside layer forms a sac around the inner layer. There is a minor amount of fluid between the 2 layers so that the organs can transfer simply.

The mesothelium has diverse names, dependent on where it is in the body. The mesothelium that defends and cushions the lungs is called the pleura. The internal layer that covers the lungs is called the visceral pleura. The outside layer that lines the inside wall of the chest is called the parietal pleura.
The mesothelium that covers the abdominal organs and lines the walls of the abdomen and pelvis is called the peritoneum. The internal layer is named the visceral peritoneum. It covers and backings most of the inner abdominal organs. The outside layer is called the parietal peritoneum. It lines the walls of the abdomen and pelvis.The mesothelium is complete up of mesothelial cells. These cells sometimes variation and no longer raise or behave normally. These variations might principal to non-cancerous (benign) tumours, such as fibrous tumour of the pleura and multicystic mesothelioma. But in some cases, variations to the mesothelial cells can cause malignant mesothelioma.

Mesothelioma is a actual unusual type of cancer. It usually starts in the pleura, which is called pleural mesothelioma. This kind of cancer makes up 70% to 80% of all mesotheliomas. Cancer can also jump in the peritoneum, which is called peritoneal mesothelioma. This kind of cancer makes up about 25% of all mesotheliomas.

Rarer types of mesothelioma can also grow. This contains pericardial mesothelioma, which starts in the membrane that surrounds the heart. Another unusual type is mesothelioma of the tunica vaginalis testis, which jumps in the outside lining of the testicle.

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