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Comparison of the electron density relative to water for selected organs between the original adult male hybrid phantom and the converted DICOM-image file in the Eclipse treatment planning system.
| Organs | Relative electron density | ||
|---|---|---|---|
|
| |||
| Hybrid Phantom | Eclipse | Difference (%) | |
| Lungs | 0.337 | 0.335 | -0.59 |
| Thymus | 1.018 | 1.017 | -0.10 |
| Spinal cord | 1.035 | 1.039 | 0.39 |
| Thyroid | 1.042 | 1.041 | -0.10 |
| Spleen | 1.051 | 1.050 | -0.10 |
| Trachea | 1.058 | 1.057 | -0.09 |
| Ears | 1.083 | 1.082 | -0.09 |
