Skip to main content

Table 6 Residence time (standardized cumulated activity), in hours, used for absorbed dose estimation

From: Internal dosimetry in F-18 FDG PET examinations based on long-time-measured organ activities using total-body PET/CT: does it make any difference from a short-time measurement?

Data source
Organ This work Deloar et al. [4] Hays and Segall [5] Kaushik et al. [8] Mejia et al. [3] Niven at al. [6] ICRP 106 [9]
Brain 0.391±0.066 0.230±0.040 0.245±0.090 0.193±0.040 0.178±0.041 0.243±0.029 0.21
Heart 0.041±0.022** 0.025±0.001** 0.133±0.065   0.085±0.020   0.11
Liver 0.117±0.025 0.084±0.016 0.161±0.057 0.108±0.038 0.112±0.029   0.13
Lungs 0.058±0.030 0.055±0.008 0.084±0.028   0.023±0.003   0.079
Kidneys 0.033±0.009 0.036±0.019    0.034±0.009   
Bladder 0.124±0.032 0.151±0.039 *     0.26
Remainder 1.623±0.139 1.975±0.097 1.790±0.139     1.7
  1. *0.101 ± 0.041, 0.119 ± 0.047, and 0.191 ± 0.075 for excretion at 120, 144, and 288 min, and 0.040 ± 0.017 for voiding at 30, 60, and 120, then every 120 min
  2. **Only left ventricle
  3. Data are mean ± standard deviation for each study
  4. Residual time for urine that decay outside the body: 0.252 ± 0.053