 Gamma Knife
Imaging
After the head frame is in place, it is time for imaging to be done;
such as magnetic resonance imaging (MRI), computed tomography (CT) or
angiography. Imaging is required to determine the exact size, shape and
position of the target in the brain. During imaging, a coordinate box is
placed on the head frame to provide reference points on the images for
the treatment plan. After imaging, the coordinate box is removed.
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