TABLE 3

Radiotracers for Sympathetic Neuronal PET

TracerAction
Presynaptic tracersVisualize inhibition of further neurotransmission
True catecholaminesBehave identically to endogenous neurotransmitters
18F-6-fluorodopamine
11C-epinephrine
Catecholamine analogsFalse neurotransmitters
11C-meta-hydroxyephedrine (HED)
11C-phenylephrine
18F-6-fluorometaraminol
Postsynaptic tracersVisualize transmission of sympathetic signal to target tissue
11C-CGP12177
11C-CGP12388
11C-GB67