Article Figures & Data
Figures
- FIGURE 1.
Measurement of regions of interest of set of anterior and posterior conjugate images and their respective images for scattered radiation correction.
- FIGURE 2.
Time–activity fitted curves for assessed patients. P1–P5 = patients 1–5.
- FIGURE 3.
Comparison of absorbed dose by activity calculated by OLINDA/EXM and EANM.
- FIGURE 4.
Recovery coefficient of definitive experiment. ● = apparent volume; × = true sphere volume.
- FIGURE 5.
(A) From left to right: axial, sagittal, and coronal SPECT/CT reconstruction of remaining thyroid tissue (arrows). (B) Activity concentration function in organ target.
- FIGURE 6.
(A) Scattering-point function of SPECT of a cylinder of 22 mL filled with 131I. (B) Comparison of apparent and actual volume. kcnt = kilocount.
Tables
Patient no. Sex Age (y) Height (cm) Weight (kg) Body mass index Blood volume (mL) Residence time per mL of blood (h) Body Blood 1 F 50 161 59 22.8 3,532.8 22.1 0.00088 2 M 71 182 76 22.9 5,402.6 39.4 0.00102 3 M 36 187 95 27.2 6,061.8 12.6 0.00029 4 M 28 178 82 25.9 5,432.8 19.3 0.00050 5 F 29 165 57 20.9 3,732.2 22.0 0.00083 Patient no. Dose in blood per administered activity (mGy/MBq) Maximum activity (GBq) Limit, 2 Gy Limit, 1.3 Gy 1 0.122 16.39 10.66 2 0.152 13.20 8.58 3 0.043 46.72 30.37 4 0.073 27.42 17.82 5 0.117 17.09 11.11 Patient no. Effective (h) Biologic (h) Half Quarter Half Quarter 1 16.1 28.9 17.6 31.3 2 28.2 53.1 33 61.6 3 7.6 13.1 7.9 13.6 4 12.5 23.2 13.3 24.7 5 15.6 29.5 16.9 32
