From: A new tissue segmentation method to calculate 3D dose in small animal radiation therapy
ICRU tissues | Physical density ρ (g.cm3) | Zeff | ρZeff |
---|---|---|---|
Lung inflated | 0.26 | 7.88 | 2.05 |
Adipose | 0.95 | 6.67 | 6.34 |
Yellow marrow | 0.98 | 6.56 | 6.43 |
Average soft tissue adult female | 1.02 | 7.44 | 7.59 |
Red marrow | 1.03 | 7.44 | 7.66 |
Water | 1.00 | 7.73 | 7.73 |
Average soft tissue adult male | 1.03 | 7.60 | 7.83 |
GI tract | 1.03 | 7.71 | 7.94 |
Pancreas | 1.04 | 7.70 | 8.01 |
Breast | 1.02 | 7.88 | 8.04 |
Eyes lens | 1.07 | 7.54 | 8.07 |
Lymph | 1.03 | 7.84 | 8.07 |
Testis | 1.04 | 7.82 | 8.13 |
Brain | 1.04 | 7.88 | 8.19 |
Urinary bladder filled | 1.03 | 7.98 | 8.22 |
Kidney | 1.05 | 7.84 | 8.23 |
Ovary | 1.05 | 7.84 | 8.24 |
Muscle | 1.05 | 7.85 | 8.24 |
Lung deflated | 1.05 | 7.88 | 8.27 |
Skin | 1.09 | 7.63 | 8.31 |
Liver | 1.06 | 7.87 | 8.34 |
Spleen | 1.06 | 7.87 | 8.34 |
Heart | 1.06 | 7.95 | 8.43 |
Blood | 1.06 | 7.97 | 8.45 |
Cartillage | 1.10 | 8.33 | 9.16 |
Thyroid | 1.05 | 9.19 | 9.65 |
Spongiosa | 1.18 | 10.74 | 12.68 |
Sacrum | 1.29 | 11.46 | 14.79 |
Femur | 1.33 | 12.09 | 16.08 |
Humerus | 1.46 | 12.61 | 18.41 |
Cranium | 1.61 | 13.13 | 21.14 |
Mandible | 1.68 | 13.33 | 22.40 |
Cortical bone 5 year Child | 1.75 | 13.56 | 23.72 |
Cortical bone | 1.92 | 13.98 | 26.84 |