PET works by using a scanning device (a machine with a large hole at its center) to detect photons(subatomic particles) emitted by a radionuclide in the organ or tissue being examined.
People also ask
What is the purpose of a PET scan?
PET Scan Menu. A positron emission tomography (PET) scan is a type of imaging test that helps doctors see how the organs and tissues inside your body are actually working. In a PET scan, a very small dose of a radioactive chemical, called a radiotracer, is injected into the vein of your arm.
How long does it take for a PET scan to show?
The scanner takes about 30 minutes to produce detailed images of metabolic activity in your tissues and organs. A positron emission tomography (PET) scan is an imaging test that can help reveal the metabolic or biochemical function of your tissues and organs.
What is a combination PET/CT scan?
A PET scan is a painless procedure that helps detect disease sooner than CT or MRI images. A combination PET/CT scan provides a more detailed look at organs and tissue. PET scans can ensure an accurate diagnosis and help your healthcare provider develop an effective treatment plan
What is a hybrid PET/MRI scan used for?
Some hospitals now use a hybrid PET/MRI scan. This new technology creates extremely high-contrast images and can primarily be used for diagnosing and monitoring cancers of the soft tissues (brain, head and neck, liver and pelvis). How does a PET scan work? PET scans detect diseased cells in organs and tissues.