Wikipedia
Fluorodopa
Fluorodopa, also known as FDOPA, is a fluorinated form of L-DOPA primarily synthesized as its fluorine-18 isotopologue for use as a radiotracer in positron emission tomography. FD PET is a valid method for assessing the functional state of the nigrostriatal dopaminergic pathway. It is particularly useful for studies requiring repeated measures such as examinations of the course of a disease and the effect of treatment