Table 3. Effective organ dose and total effective dose (µSv) for the different scanning protocols of the NewTom 9000 (Quantitative Radiology, Verona, Italy).
Scan number | Bone marrow | Thyroid | Oesophagus | Skin | Bone surface | Salivary glands | Brain | Remainder tissues/organs |
Total | |||
Lymphatic nodes | Extrathoracic region | Muscles | Oral mucosa | |||||||||
1 | 9.4 | 31.0 | 2.4 | 0.6 | 1.9 | 15.5 | 1.8 | 0.8 | 13.6 | 0.8 | 17.5 | 95.3 |
2 | 7.9 | 33.9 | 2.8 | 0.5 | 1.6 | 14.0 | 1.6 | 0.7 | 12.3 | 0.7 | 15.8 | 91.8 |
3 | 7.8 | 29.3 | 2.4 | 0.4 | 1.5 | 13.3 | 1.2 | 0.7 | 11.8 | 0.7 | 15.4 | 84.5 |
4 | 10.9 | 15.9* | 1.4* | 0.6 | 2.2 | 15.9 | 2.2 | 0.8 | 13.7 | 0.8 | 17.6 | 82.0 |
5 | 10.0 | 16.6* | 1.4* | 0.5 | 2.0 | 14.8 | 1.6 | 0.8 | 13.2 | 0.8 | 17.4 | 79.1 |
Shielding methods: 1, without collar around the neck; 2, with one collar loosely on the front of the neck; 3, with two collars loosely on the front and back of the neck; 4, with one collar tightly on the front of the neck; 5, with two collars tightly on the front and back of the neck.
* = p < 0.05.