A cat scan, also called computed tomography, computer assisted
tomography, or a CT scan, is a test that may be used to
determine if your child has cancer, where the cancer is located,
and how well cancer therapy is working. Cat scans use x-rays and
computers to take pictures of what's going on inside your
child's body. A computer takes the x-ray pictures that are like
slices of your child's body. These “slices” can then be
reassembled to give doctors a piece-by-piece image of what's
going on inside your child. What to expect when having a Cat
scan The CT machine is big and noisy, and the process can be
scary for your child. He will have to lie down on a big table.
The table then moves inside a large square machine with a hole
in the middle. The machine then takes a series of x-rays that
the computer turns into a two or three dimensional image of the
area, or areas, of the body being examined. Because the process
can be pretty frightening, many children are given a mild
sedative to calm them before they are su