From: Radiation dosimetry of 18F-FDG PET/CT: incorporating exam-specific parameters in dose estimates
CT technique description | Tube potential | Tube current | Revolution time | Collimator width | Pitch | Effective mAsa | CTDIvol | DLP | Effective Dose | Effective dose per unit mAs |
---|---|---|---|---|---|---|---|---|---|---|
(kVp) | (mA) | (s) | (mm) |  |  | (mGy) | (mGy cm) | (mSv) | (mSv/mAs) | |
Standard male | 120 | 78 ± 8.2 | 0.8 | 10 or 40 | 1.75 | 38.6 ± 10.0 | 5.1 ± 0.6 | 464 ± 86 | 5.3 ± 1.0 | 0.142 ± 0.026 |
Standard female | 120 | 72 ± 11 | 0.8 | 10 or 40 | 1.75 | 39.4 ± 12.4 | 4.8 ± 0.7 | 407 ± 73 | 4.6 ± 0.8 | 0.124 ± 0.028 |
Diagnostic male | 120 | 236 ± 86 | 0.6 | 20 or 40 | 1.375 | 116 ± 40.5 | 12.1 ± 2.8 | 1185 ± 249 | 17.4 ± 3.7 | 0.164 ± 0.063 |
Diagnostic female | 120 | 223 ± 109 | 0.6 | 20 or 40 | 1.375 | 122 ± 59.3 | 10.2 ± 3.9 | 912 ± 368 | 13.4 ± 5.5 | 0.121 ± 0.039 |