Department of Radiation Oncology

IGRT (Image-Guided Radiation Therapy)

Image-Guided Radiation Therapy (IGRT) is the process of frequent two and three-dimensional imaging, during a course of radiation treatment, used to direct radiation therapy utilizing the imaging to treat this changes in portion of tumors to accurately pinpoint where radiation should target

Advantages of IGRT

  • 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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