Ex vivo biodistribution of [18F]FSPG in EAE versus control mice (a) with magnified views of the brain (b) and spinal cord (c) data (n = 8–10, mean %ID/g ± SD). Data was collected 110 min after injection of radiotracer and mean score of EAE mice was 2.4 ± 0.8. Significance determined Mann-Whitney test with ****p