Older adults diagnosed with kidney tumors that are not suitable for surgery may benefit from targeted, high-dose radiation, a new study from Australian and Dutch researchers suggests.
or diabetes, things that place them at higher risk for complications from surgery. They may have tumors in areas that are difficult to operate on, or where surgery may lead to dialysis."
SABR, also known as stereotactic body radiation , can shrink or destroy tumors by targeting them directly with high doses of radiation delivered in a small number of outpatient sessions. Participants in the trial were treated with SABR in one or three sessions at seven Australian centers and one in the Netherlands. Treated tumors were relatively large, said Dr. Siva, on average 4.7 centimeters. Patients with tumors smaller than 4 cm received a single fraction of radiation , and those with tumors larger than 4 cm received three fractions .
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