Radiation Oncology
Image Guided Radiation Therapy

IGRT (image guided radiation therapy) does exactly what it sounds like: uses the image of the tumor target to guide the delivery of radiation for each treatment.  IGRT technology allows your physician to greatly reduce the added target margin since the treatment machine can check the tumor location just moments before treatment. This is important to you for two reasons:

  1. A reduced margin translates into a decreased amount of radiation to other neighboring structures. This is a significant reduction in risk to the patient and may also lead to an increased quality of life during and after treatment.

  2. Reducing the area to be treated also allows your physician to prescribe a higher radiation dose as compared to older techniques prior to IGRT.

  3. return to radiation oncology page


  1. Image Guided Radiation Therapy
  2. Intensity Modulated Radiation Therapy
  3. Volumetric Modulated Arc Therapy
  4. Gamma Knife
  5. What is Brachytherapy?
  6. What is Radiation Therapy?
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