From: Quantification and dosimetry of small volumes including associated uncertainty estimation
Phantom configuration | Method | Median error (MBq) | Median error (%) | Median uncertainty (%) |
---|---|---|---|---|
No background | Proposed | − 0.1 (− 0.41 to 0.07) | − 0.4 (− 1.3 to 0.6) | 1.4 (1.38 to 1.41) |
RC | 57 (12.5 to 110) | 395 (333 to 412) | 301 (271 to 313) | |
Local VOI | − 0.1 (− 0.2 to 0) | − 0.3 (− 0.6 to 0) | N/A | |
Uniform background | Proposed | − 0.1 (− 0.2 to 0.1) | − 0.3 (− 0.6 to 0.2) | 1.4 (1.36 to 2.03) |
RC | 130 (106 to 142) | 289 (215 to 326) | 240 (195 to 264) | |
Local VOI | 1.4 (1.0 to 1.8) | 4.2 (3.0 to 5.3) | N/A | |
Non-uniform background | Proposed | 0.6 (0.4 to 1.1) | 1.7 (1.1 to 3.4) | 1.6 (1.5 to 1.7) |
RC | − 23 (− 23.4 to − 23.5) | − 70.3 (− 70.2 to − 70.4) | 1.6 (1.5 to 1.7) | |
Local VOI (position A) | 6.7 (4.7 to 13.3) | 20 (14 to 40) | N/A |