Noun
fluorodeoxyglucose (uncountable)
(biochemistry) A fluorine analog of glucose that is used in positron emission tomography
At present, however, by far the most commonly used radiotracer in clinical PET scanning is fluorodeoxyglucose (also called FDG or fludeoxyglucose), an analogue of glucose that is labeled with fluorine-18. Source: Internet
PET has been widely used to image bacterial infections clinically by using fluorodeoxyglucose (FDG) to identify the infection-associated inflammatory response. Source: Internet