Provided by Alta Bates Summit Medical Center in Berkeley and Oakland, CA
Used after 3D conformal treatment planning, Intensity Modulated Radiation Therapy (IMRT) delivers pencil thin beams of radiation to target tumors while it spares healthy tissue. Very simply, IMRT gives the radiation oncologist more control over where and how much radiation is delivered. Importantly, IMRT allows the doctor to "paint" or conform the dose to a tumor's irregular shape, while "sculpting" the dose to avoid critical structures such as nerves or glands.
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