TABLE 1.
Time (h) |
||||||||||||||||
%ID/g* |
%ID/organ* |
|||||||||||||||
Organ | 1.79 | 4.62 | 14.4 | 15.1 | 26.2 | 29.3 | 41.7 | 48.6 | 1.79 | 4.62 | 14.4 | 15.1 | 26.2 | 29.3 | 41.7 | 48.6 |
Blood† | 0.15 | 0.24 | 0.17 | 0.15 | 0.22 | 0.25 | 0.17 | 0.17 | 1.97 | 3.33 | 2.26 | 1.96 | 2.80 | 3.53 | 2.44 | 2.50 |
Kidneys† | 1.29 | 1.25 | 0.82 | 0.99 | 0.98 | 0.89 | 0.71 | 0.83 | 2.04 | 2.16 | 1.57 | 2.16 | 1.92 | 1.87 | 1.40 | 1.67 |
Liver† | 0.27 | 0.26 | 0.36 | 0.35 | 0.53 | 0.52 | 0.49 | 0.52 | 1.71 | 2.34 | 2.79 | 3.08 | 4.27 | 4.61 | 4.57 | 4.86 |
Femur† | 1.54 | 1.54 | 1.61 | 1.37 | 1.62 | 1.36 | 1.67 | 1.56 | 1.00 | 1.34 | 1.55 | 1.40 | 1.52 | 1.51 | 1.68 | 1.87 |
Knee joint† | 1.69 | 1.87 | 2.35 | 2.27 | 2.06 | 1.81 | 2.25 | 2.12 | 1.22 | 1.56 | 1.73 | 1.63 | 1.91 | 2.05 | 2.13 | 2.42 |
Heart | 0.10 | 0.16 | 0.14 | 0.14 | 0.18 | 0.20 | 0.18 | 0.17 | 0.07 | 0.13 | 0.13 | 0.15 | 0.16 | 0.20 | 0.15 | 0.20 |
Lung | 0.12 | 0.19 | 0.14 | 0.14 | 0.19 | 0.20 | 0.17 | 0.18 | 0.10 | 0.30 | 0.15 | 0.14 | 0.19 | 0.22 | 0.16 | 0.16 |
Spleen | 0.06 | 0.13 | 0.12 | 0.12 | 0.17 | 0.19 | 0.15 | 0.15 | 0.02 | 0.06 | 0.06 | 0.06 | 0.07 | 0.09 | 0.06 | 0.07 |
Pancreas | 0.10 | 0.18 | 0.10 | 0.08 | 0.16 | 0.15 | 0.10 | 0.11 | 0.17 | 0.32 | 0.19 | 0.16 | 0.24 | 0.33 | 0.21 | 0.20 |
Stomach‡ | 0.08 | 0.23 | 0.11 | 0.06 | 0.11 | 0.09 | 0.02 | 0.05 | 0.28 | 0.46 | 0.49 | 0.23 | 0.40 | 0.36 | 0.21 | 0.39 |
Small intestine‡ | 0.17 | 0.38 | 0.26 | 0.25 | 0.33 | 0.29 | 0.26 | 0.23 | 1.20 | 2.44 | 2.08 | 2.28 | 2.06 | 2.67 | 1.70 | 1.93 |
Large intestine‡ | 0.07 | 0.30 | 0.49 | 0.37 | 0.47 | 0.44 | 0.26 | 0.25 | 0.41 | 1.87 | 3.91 | 2.27 | 3.76 | 3.69 | 2.80 | 2.33 |
Muscle | 0.07 | 0.04 | 0.03 | 0.07 | 0.05 | 0.06 | 0.05 | 0.05 | 0.04 | 0.04 | 0.04 | 0.07 | 0.06 | 0.06 | 0.06 | 0.07 |
Mammary | 0.10 | 0.10 | 0.11 | 0.10 | 0.12 | 0.11 | 0.01 | 0.02 | 0.01 | 0.01 | 0.01 | 0.01 | ||||
Vertebrae | 0.93 | 0.96 | 0.81 | 1.22 | 1.12 | 0.95 | 1.02 | 1.12 | 0.81 | 1.06 | 1.11 | 0.97 | 0.95 | 1.07 | 1.03 | 1.08 |
Bladder | 2.59 | 0.11 | 0.04 | 0.05 | 0.04 | 0.03 | 0.02 | 2.06 | 0.05 | 0.01 | 0.01 | 0.02 | 0.03 | 0.02 | ||
Red marrow¶ | 0.05 | 0.07 | 0.05 | 0.05 | 0.07 | 0.08 | 0.05 | 0.05 | 0.13 | 0.22 | 0.15 | 0.13 | 0.19 | 0.23 | 0.16 | 0.17 |
Values were obtained from individual tissue γ-counts.
Primary organs of concern were also measured by volume-of-interest tracing of PET images at 34 time points for each organ (Supplemental Table 1).
Includes contents.
Calculated assuming red marrow–to–blood activity concentration ratio of 0.31; red marrow total volume–to–blood total volume ratio of 0.21, rat blood volume of 64 mL/kg.