PET/CT scan is a type of imaging test that combines positron emission tomography (PET) and computed tomography (CT) techniques. Combined PET/CT scans can be performed on any part of the body.
PET scans use a radioactive tracer that is introduced into your body to measure the cellular activity of the cell type or body part being scanned. A CT scan takes a large number of x-rays. These are analyzed by a computer to create a 3-dimensional image of the body part being studied. When both tests are performed at the same time, the information about function and structure is integrated through computer models.
|PET Scan of the Brain|
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Clinical Center—National Institutes of Health http://www.cc.nih.gov
Radiology Info—Radiological Society of North America http://www.radiologyinfo.org
Canadian Cancer Society http://www.cancer.ca
Public Health Agency of Canada http://www.phac-aspc.gc.ca
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