Table 7.
Comparison of leaded glasses + thyroid shield vs no glasses, no thyroid shield. Summary of the dose to eye and lens of eye during a full head scan
| Organ | GL (cGy) | TS (µSv) | NG (cGy) | NTS (µSv) |
| Brain | 0.231 | 23.1 | 0.386 | 38.6 |
| Cranium | 0.151 | 15.1 | 0.250 | 25.0 |
| Cervical spine | 0.510 | 51.0 | 0.744 | 74.4 |
| Eye L | 0.116 | 0.450 | ||
| Eye lens L | 0.153 | 0.396 | ||
| Eye lens R | 0.132 | 0.469 | ||
| Eye R | 0.171 | 0.478 | ||
| Mandible | 0.318 | 31.8 | 0.506 | 50.6 |
| Parotid | 0.416 | 41.6 | 0.646 | 64.6 |
| Thyroid | 0.900 | 36.0 | 0.158 | 63.2 |
GL, glasses; L, left; NG, no glasses; NTS, no thyroid shield; R, right; TS, thyroid shield.
Scanner: i-CAT (Imaging Sciences International, Inc., Hatfield, PA); phantom: adult female; field of view and time: full scan, 8.9 s.