Table 3 Changes in frequency of gallbladder visualization, uptake intensity, and pattern in respect to serial acquisition timepoints
From: 18F-FDG gallbladder uptake: observation from a total-body PET/CT scanner
Gallbladder PET feature | Image acquisition timepoint (min) | ||||
|---|---|---|---|---|---|
40 | 60 | 90 | 120 | 180 | |
Visualization | Â | Â | Â | Â | Â |
No | 6 (12%) | 5 (21%) | 1 (2%) | 0 (0%) | 0 (0%) |
Yes | 42 (88%) | 19 (79%) | 48 (98%) | 43 (100%) | 30 (100%) |
Uptake intensitya | Â | Â | Â | Â | Â |
Less than Liver | 29 (69%) | 15 (79%) | 23 (48%) | 9 (21%) | 7 (23%) |
Equal to Liver | 13 (31%) | 4 (21%) | 24 (50%) | 31 (72%) | 15 (50%) |
Higher than Liver | 0 (0%) | 0 (0%) | 1 (2%) | 3 (7%) | 8 (27%) |
Uptake patternb | Â | Â | Â | Â | Â |
Wall | 29 (69%) | 5 (26%) | 8 (17%) | 2 (4%) | 0 (0%) |
Luminal | 9 (21%) | 9 (48%) | 36 (75%) | 36 (84%) | 28 (93%) |
Luminal & wall | 4 (10%) | 5 (26%) | 4 (8%) | 5 (12%) | 2 (7%) |