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.
PET Scan Introduction and Cost Information PET scans have become very popular because no other imaging technology shows the internal chemistry of the body so well. A PET scan has the unique ability to identify chemical and metabolic changes in diseases such as cancer before anatomic and structural changes which are detected by other imaging technologies have time to develop.