Research Article
Reproducible Analysis of Rat Brain PET Studies Using an Additional [18F]NaF Scan and an MR-Based ROI Template
Table 2
Volume, mean activity concentration, and total activity in various ROIs projected onto the checkerboard images with MR and PET resolution.
|
Brain region | MR image | PET image | Volume (mm3) | Mean voxel Activity concentrationa (kBq·mL−1) | Mean ROI activity (Bq) | Volume (mm3) | Mean voxel Activity concentrationb (kBq·mL−1) | Mean ROI activity (Bq) |
| Left striatum | 16.4 | 0.50 | 8.19 | 15.3 | 0.52 | 7.95 | Right striatum | 15.1 | 0.50 | 7.56 | 14.7 | 0.50 | 7.30 | Hippocampus | 26.4 | 0.50 | 13.22 | 26.8 | 0.50 | 13.38 | Frontal cortex | 46.1 | 0.50 | 23.03 | 48.6 | 0.50 | 24.13 | Posterior cortex | 49.6 | 0.50 | 24.80 | 48.9 | 0.49 | 23.96 | Medulla oblongata | 15.7 | 0.50 | 7.85 | 15.8 | 0.49 | 7.75 | Cerebellum | 86.7 | 0.50 | 43.35 | 86.0 | 0.49 | 42.14 |
|
|
a1 MR voxel mm3.
b1 PET voxel mm3.
|