<unk>  is a glucose analog. Its full chemical name is 2-fluoro-2-deoxy-D-glucose, commonly abbreviated to<unk> .<unk>  is most commonly used in the medical imaging modality positron emission tomography (PET): the fluorine in the<unk>  molecule is chosen to be the positron-emitting radioactive isotope fluorine-18, to produce18F-FDG. After<unk>  is injected into a patient, a PET scanner can form images of the distribution of<unk>  around the body. The images can be assessed by a nuclear medicine physician or radiologist to provide diagnoses of various medical conditions.
Fluorodeoxyglucose
Clodronate
Gallium
Sestamibi
Biodiesel
Technetium 
Lutetium Lu 177 dotatate
Zorubicin