A cat scan or CT scan (same thing) shows doctors a slice of the bodies insides, it is good for diagnosing problems with bones and soft organs like liver, bowel, spleen, and pancreas. Plain xrays only show bones and its 2 dimensional. MRIs are good for muscles and tissues like tendons.
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Computed tomography. It is a method where x-rays pictures are digitally enhanced by a computer to give a three dimensional picture of the object under test.
do lymph nodes show on a cat scan
They are just as they say. An abdominal cat scan is just of that area and a pelvic cat scan is just of that area. Usually if an abdominal cat scan is ordered a pelvis is included so as to cover all things in both areas but if a pelvic cat scan is ordered it usually does not include the abdomen.
You do not have to stay home after a CAT scan. The procedure has no residual effects. After you leave the clinic or hospital, you can resume normal activities if you are otherwise healthy.
yes
Without. I had a cat scan this morning for that very reason and no contrast was needed.