Image-guided Radiation Therapy (IGRT)
Everything You Need To Know About IGRT
IGRT is the standard of care for radiation therapy treatment. It’s used to treat all types of cancer.
Image-guided radiation therapy (IGRT) is a method of radiation therapy that incorporates imaging techniques during each treatment session.
Radiation therapy uses high-energy beams of radiation to control cancer and noncancerous tumors. When undergoing IGRT, high-quality images are taken before each radiation therapy treatment session. IGRT may make it possible to use higher doses of radiation, which increases the probability of tumor control and typically results in shorter treatment schedules.
It uses imaging technologies such as PET, MRI, and CT to more accurately and safely deliver radiation to cancer cells. The machines that are used to deliver the radiation, called linear accelerators, are equipped with the imaging equipment so that doctors can confirm exactly where the tumor is in the body before and during treatments.
What is the importance of IGRT?
- Accurate delivery of radiation
- Improved definition, localization and monitoring of tumor position, size and shape before and during treatment
- The possibility of higher, targeted radiation dosage to improve tumor control
- Decreased radiation exposure to normal tissue surrounding the tumor
Advantages of IGRT
- Use higher doses of radiation to kill the cancer.
- Avoid harm to healthy tissue.
- Keep radiation side effects to a minimum.
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