Ratio of displaced |
Partial-scan
(n=64) |
Full scan
(n=64) |
Average CT
(n=8) |
Volume (%)* |
HU |
HU |
HU |
54.1 |
-0.6 |
-2.3 |
-3 |
71.4 |
-0.1 |
-1.2 |
-6 |
90.9 |
1 |
0.5 |
-6 |
117.6 |
2.9 |
0.4 |
-10 |
Mean±SD |
0.8±1.6 |
-0.7±1.4 |
-6.3±2.9 |
*Ratio of displaced volume = maximum sphere displacement/sphere diameter×100
(%). True HU is 0
Abbreviations: HU=Hounsfield units, CT=computed tomography
Note that (n=64) in the tables stands for two 18F radioactive lesion activities of four
spheres gating in eight phases and that (n=8) stands for two 18F radioactive lesion
activities of four spheres |