From: Quantifying disease activity in rheumatoid arthritis with the TSPO PET ligand 18F-GE-180 and comparison with 18F-FDG and DCE-MRI
18F-FDG visual score
18F-GE-180 visual score
Normal
Increased
Total
Symptomatic joints
74
38
112
100
16
116
Asymptomatic joints
70
26
96
80
12
92
144
64
208
180
28