English. has been widely dispersed around the world, it is official language in 83 countries/regions (ISO), spoken in 105 other countries (E). Curiosity: English language does not have official status in Australia, the United Kingdom, and the United States. eng.
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 that has radioactive tracers. These tracers are injected into a vein in your arm. Your organs and tissues then absorb the tracer.
To be extra sure, some doctors will order imaging tests, known as PET scans. They are often combined with CT scans. These scans take pictures of your body where cancer might be growing. But you may not need the tests. And their risks may be greater than the benefits. Hereâs why: PET and PET-CT scans usually donât help people who have completed cancer treatments and donât have symptoms. For most cancers, these tests donât help you live longer or with a better quality of life.