There are four types of mesothelioma:
- Pleural (lungs)
- Peritoneal (abdomen)
- Pericardial (heart)
- Testicular
Pleural and peritoneal are the most common types, comprising nearly 90 percent of all diagnoses. Learn more about your specific type and what it means for your treatment options.
- Pleural Mesothelioma 75% of all cases
- Pericardial Mesothelioma 1% of all cases
- Peritoneal Mesothelioma 10-20% of all cases
- Testicular Mesothelioma < 1% of all cases
Where you can get mesothelioma
There are 2 main types of mesothelioma
- Mesothelioma in the covering of the lung (pleural mesothelioma)
- Mesothelioma in the abdomen (peritoneal mesothelioma)
Pleural mesothelioma starts in the sheets of tissue that cover the lungs. Peritoneal mesothelioma grows in the tissue lining the inside of the abdomen. Pleural mesothelioma is much more common than peritoneal mesothelioma.
Mesothelioma by cell type
Mesothelioma is also grouped according to how the cells look under a microscope. There are 3 types
- Epithelioid – this is the most common
- Sarcomatoid or fibrous
- Mixed type (also called biphasic type)
These types of mesothelioma cells can be further divided into other types called
- Clear cell
- Small cell
- Acinar cell
- Tubopapillary cell
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