Research Article

Comparative Evaluation of 68Ga-Citrate PET/CT and 18F-FDG PET/CT in the Diagnosis of Type II Collagen-Induced Arthritis in Rats

Figure 2

CIA rats were examined with 68Ga-citrate PET/CT and 18F-FDG PET/CT at 23 (a) and 40 days (b) after immunization to evaluate the ratio of the ankle joint (target area) to the muscle background (nontarget area) (T/NT) of these rats. Normal rats were collected in advance as a control group.
(a)
(b)