Image-guided radiation therapy (IGRT)

What is IGRT (Image-guided radiation therapy)

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. By adding detailed images, IGRT ensures the powerful radiation is narrowly focused at the treatment area.

When undergoing Image-guided radiation therapy 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.

IGRT is the standard of care for radiation therapy treatment. It’s used to treat all types of cancer.

Why it’s done
IGRT is used to treat all types of cancer, but it’s particularly ideal for tumors and cancers located very close to sensitive structures and organs. IGRT is also useful for tumors that are likely to move during treatment or between treatments.

IGRT is used as part of radiation treatment plans because it offers:

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

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