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A positron emission tomography (PET) scan is an imaging test that allows your doctor to check for diseases in your body. The scan uses a special dye containing radioactive tracers. These tracers are either swallowed, inhaled, or injected into a vein in your arm depending on what part of the body is being examined.
A PET scan is a type of imaging that can show what’s happening in your body. Learn why you might need one, what makes it different from other types of imaging, how to get ready, and what to expect.
A positron emission tomography (PET) scan is an imaging test that helps reveal how your tissues and organs are functioning. A PET scan uses a radioactive drug (tracer) to show this activity. This scan can sometimes detect disease before it shows up on other imaging tests.
In a PET scan, a machine detects radiation that is emitted by a radiotracer. A radiotracer consists of radioactive material that is tagged to a natural chemical, such as glucose. This radiotracer is injected into the body, where it travels to cells that use glucose for energy. The more energy a group of cells needs,...
A positron emission tomography (PET) scan is an imaging test that uses a very small dose of a radioactive chemical, called a radiotracer, to help doctors see how the organs and tissues are working. PET scans are used most often to detect cancer, heart problems, brain disorders and other central nervous system disorders.
Positron emission tomography (PET) is a type of imaging technology used to evaluate how your tissues and organs work at the cellular level. It involves the injection of a short-acting radioactive substance, known as a radiotracer, which is absorbed by biologically active cells.