Liver Volumes and Dose Data Based on SPECT and MR Imaging
Parameter | SPECT | MR imaging | ||
Median | Range | Median | Range | |
VOIs | ||||
Whole liver volume (mL) | 2,120 | 1,467–3,650 | 2,041 | 1,528–3,433 |
Tumorous liver volume (mL) | 443 | 28–1,809 | 443 | 35–1,851 |
Nontumorous liver volume (mL) | 1,549 | 1,320–2,477 | 1,509 | 1,339–2,271 |
Calculated radiation absorbed doses† | ||||
Whole liver dose (Gy) | 27.9 | 9.7–54.2 | 20.7 | 13.0–68.3 |
Tumorous liver dose (Gy) | 27.7 | 13.2–64.9 | 32.5 | 14.8–75.4 |
Nontumorous liver dose (Gy) | 21.0 | 7.7–54.3 | 18.9 | 9.1–68.2 |