Radiation Therapy

Total Body Irradiation (TBI)

When radiation is delivered to the whole body, it is called total body irradiation (TBI). TBI is performed to suppress a patient's immune system and prevent rejection of donor bone marrow prior to a bone marrow transplant, or to destroy abnormal cells that escape other therapies (such as surgery, chemotherapy or local irradiation) and remain hidden in the body to grow again later.

For example, total body irradiation is used at Spectrum Health as a component of the preparatory regimen for pediatric bone marrow transplant (PBMT).

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