There are several types of mesothelioma radiation therapies — external, internal, and systemic—and the type and dose used depend on various factors including the location and extent of the cancer.
External radiation as the name suggests, is delivered by a beam from a machine outside the body to a targeted location of cells or tumors inside the body. It is used in the treatment of most cancers, particularly those such as mesothelioma cancer that are difficult to remove or have a high rate of recurrence.
Internal radiation, or brachytherapy, is less commonly used for mesothelioma treatment. It involves the placement of radioactive material—usually contained in a small tube, capsule or seed—into the body near the site of the mesothelioma cancer (in the chest or the abdomen).
Systemic Radiation
In systemic radiation, a radioactive substance is taken orally or via injection and circulated throughout the body.
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