Open Access
Table 1
Measured mean breast surface dose during thoracic CT scans with and without the constructed shields.
| Shield composition | ESD (mGy) | Dose reduction (%) |
|---|---|---|
| No shielding | 15.03 ± 2.13 | – |
| 50% Cu–50%BaSO4 | 7.93 ± 0.63 | 47.23 |
| 10% Cu–90% BaSO4 | 8.03 ± 1.52 | 46.57 |
| 100% BaSO4 | 13.64 ± 1.35 | 14.17 |
| 100% Bi | 7.26 ± 0.71 | 51.69 |
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