Table 4.
Organ and effective doses from the Elekta XVI CBCT system.
| Tissue/Organ | Measured Organ Doses (mGy) | ||
|---|---|---|---|
| Head Scan | Chest Scan | Pelvis Scan | |
| Brain | 0.70 | 0.49 | ‐ |
| Salivary glands | 0.78 | 1.86 | ‐ |
| Thyroid | 0.05 | 19.24 | ‐ |
| Esophagus | 0.02 | 13.56 | ‐ |
| Lung | 0.01 | 14.29 | 0.02 |
| Breast | ‐ | 16.80 | ‐ |
| Liver | ‐ | 6.58 | 0.19 |
| Stomach | ‐ | 4.68 | 0.23 |
| Colon | ‐ | 0.40 | 2.04 |
| Bladder | ‐ | 0.03 | 15.67 |
| Gonads (testes) | ‐ | ‐ | 29.00 |
| Bone marrow (whole body) | 0.07 | 5.14 | 1.05 |
| Bone marrow (irradiated site) | 0.80 | 12.42 | 5.50 |
| Bone surface (whole body) | 0.11 | 2.59 | 1.17 |
| Bone surface (irradiated site) | 0.80 | 12.42 | 5.50 |
| Skin (whole body) | 0.09 | 2.62 | 3.07 |
| Skin (irradiated site) | 1.34 | 14.92 | 27.88 |
| Remainder Organs: | |||
| Extrathoracic region | 0.60 | 5.21 | ‐ |
| Oral mucosa | 0.69 | 1.34 | ‐ |
| Thymus | 0.01 | 14.29 | ‐ |
| Heart | ‐ | 13.87 | 0.10 |
| Spleen | ‐ | 7.17 | 0.20 |
| Adrenals | ‐ | 3.76 | 0.23 |
| Gall bladder | ‐ | 1.83 | 0.28 |
| Kidneys | ‐ | 1.20 | 0.31 |
| Pancreas | ‐ | 1.21 | 0.33 |
| Small intestine | ‐ | 0.28 | 1.06 |
| Prostate | ‐ | ‐ | 27.63 |
| Other Organs: | |||
| Lens | 1.07 | 0.52 | ‐ |
| Effective dose (msV) | 0.04 | 7.15 | 3.73 |