Intensity-modulated radiation therapy (IMRT)
About this test
Intensity-modulated radiation therapy, also called IMRT, is an advanced type of radiation therapy. Radiation therapy uses powerful energy beams to kill cancer cells. The energy can come from X-rays, protons or other sources. With IMRT, the beams of radiation are carefully customized. The beams are shaped to match the shape of the cancer. The beams can move through an arc while they deliver the radiation. The intensity of each beam can be varied. The result is a precisely controlled radiation treatment. IMRT delivers the correct radiation dose as safely and efficiently as possible.
Why it's done
Intensity-modulated radiation therapy, also called IMRT, is used to treat cancers and tumors that aren't cancerous. The goal of treatment is to target the radiation so that nearby healthy tissue isn't hurt.
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