Doses measured for all protocols on 64-row scanner (Toshiba Aquilion 64)
| Organ | W (T) | Noncontrast Head CT | Perfusion | CTA | |||
|---|---|---|---|---|---|---|---|
| Dose (mGy) | Weighted Dose (mSv) | Dose (mGy) | Weighted Dose (mSv) | Dose (mGy) | Weighted Dose (mSv) | ||
| Hemispheres | 0.01 | 33.31 | 0.33 | 66.22 | 0.66 | 24.34 | 0.24 |
| Skin (within scan area) | 33.17 | 75.41 | 26.27 | ||||
| Skin (total) | 0.01 | 17.43 | 0.17 | 37.9 | 0.38 | 13.87 | 0.14 |
| Eye lenses | 41.69 | 6.74 | 14.86 | ||||
| Pituitary gland | 33.7 | 14.26 | 20.07 | ||||
| Bone marrow (scan area) | 8.4 | 4.1 | 22.05 | ||||
| Bone marrow (total) | 0.12 | 4.6 | 0.56 | 2.36 | 0.28 | 11.88 | 1.43 |
| Thyroid gland | 0.04 | 1.49 | 0.06 | 1.04 | 0.04 | 39.17 | 1.57 |
| Lung | 0.12 | 0.8 | 0.1 | 0.48 | 0.06 | 2.99 | 0.36 |
| Esophagus | 0.04 | 0.36 | 0.01 | 0.55 | 0.02 | 2.78 | 0.11 |
| Breast | 0.12 | 1.69 | 0.2 | 0.39 | 0.05 | 1.47 | 0.18 |
| Liver | 0.05 | 0.37 | 0.02 | 0.28 | 0.01 | 0.94 | 0.05 |
| Stomach | 0.12 | 0.53 | 0.06 | 0.44 | 0.05 | 0.92 | 0.11 |
| Ovaries | 0.08 | 0.28 | 0.02 | 0.33 | 0.03 | 0.35 | 0.03 |
| Lower colon | 0.12 | 0.74 | 0.09 | 0.28 | 0.03 | 0.24 | 0.03 |
| Bladder | 0.04 | 0.73 | 0.03 | 0.34 | 0.01 | 0.57 | 0.02 |
| Testes | 0.08 | 0.31 | 0.02 | 0.27 | 0.02 | 0.28 | 0.02 |
| Effective dose (women) | 1.65 | 1.62 | 4.27 | ||||
| Effective dose (men) | 1.65 | 1.61 | 4.26 | ||||