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Pronounced: Plur-al mehz- oh-thel-ee- oh -ma
by Nathalie Smith, MSN, RN
The pleura is a membrane. It lines the outside of the lungs and the inside of the chest cavity. Pleural mesothelioma is cancer of the pleura.
Cancer occurs when cells in the body divide without control or order. If cells keep dividing uncontrollably, a mass of tissue forms. This is called a growth or tumor. The term cancer refers to malignant tumors. They can invade nearby tissue and spread to other parts of the body.
Mesothelioma is type of cancer is almost always caused by exposure to asbestos. It is a fibrous mineral that is used to be present in many construction materials and car parts. Even a small amount of exposure can be a risk. Other fibers can cause mesothelioma.
Risk Factors TOP
Factors that may increase your chance of getting pleural mesothelioma include:
This cancer can take up to 20-40 years to develop. Early signs of pleural mesothelioma include:
Symptoms may not start until a long time after the tumor develops.
You will be asked about your symptoms and medical history. A physical exam will be done. You may be referred to a doctor who specializes in lung problems or cancer. A pulmonologist focuses on the lungs. An oncologist focuses on cancer.
Sometimes, it is hard to tell the difference between this and other, more common types of lung cancer.
Your bodily fluids and tissues will be tested. This can be done with:
Pulmonary function tests may be done to see if your breathing is effected
Images may be taken of your bodily structures. This can be done with:
These same tests and others may also be used to find out if cancer has spread outside the pleura. It is important to know whether and how far the cancer has spread in order to plan treatment. This step is called the staging process. It helps determine the level of treatment.
Pleural mesothelioma is usually treated with combinations of:
Pleural fluid caused by the tumor will be removed. This is repeated as needed.
The only known way to prevent this cancer is to avoid asbestos or other fibers. People who could be exposed to asbestos at work include:
Family members of workers can also be at risk for this cancer. The asbestos fibers can be brought home on clothing. This type of exposure is just as dangerous.
Asbestos can also be found in old building insulation, roofing materials, and tiles.
To avoid exposure to asbestos:
American Lung Association
National Cancer Institute
Canadian Cancer Society
Cancer Care Ontario
Antunes G, Neville E, Duffy J, Ali N on behalf of the BTS Pleural Disease Group. BTS guidelines for the management of malignant pleural effusions. Thorax. 2003;58:ii29
Cugell DW, Kamp DW. Asbestos and the pleura: A review. Chest. 2004;125(3):1103-1117.
General information about malignant mesothelioma. National Cancer Institute website. Available at:
...(Click grey area to select URL)
Updated September 4, 2015. Accessed May 11, 2016.
Mesothelioma. American Lung Association website. Available at:
...(Click grey area to select URL)
Accessed May 11, 2016.
Mesothelioma. EBSCO DynaMed Plus website. Available at: http://www.dynamed.com/topics/dmp~AN~T116096/Mesothelioma. Updated August 21, 2015. Accessed May 11, 2016.
Last reviewed June 2016 by Michael Woods, MD
Last Updated: 6/20/2013
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