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.
1 PET is an acronym for positron emission tomography. 2  PET scans are often used to diagnose a condition or how a condition is developing. 3  They are used alongside X-rays or MRI (magnetic resonance imaging) scan to diagnose or provide more insight into a condition.