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• IGRT is the process of frequent
two and three-dimensional
imaging
, during a course of RT,
utilizing the imaging
coordinates
.
• The patient is localized in the treatment room in the
same
position as planned
from the reference imaging dataset.
• An example of IGRT would include:
- localization of a
CBCT
dataset with the planning
CT
dataset
- matching planar
kV
or
MV
images with
DRRs