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. Positron emission tomography (PET) scans are used to produce detailed three-dimensional images of the inside of the body. The images can clearly show the part of the body being investigated, including any abnormal areas, and can highlight how well certain functions of the body are working. PET scans are often combined with computerised tomography (CT) scans to produce even more detailed images.