Article Figures & Data
Figures
- FIGURE 1.
Schema for drawing volumes of interest adopted in this study.
- FIGURE 2.
Average SUVmax and SUVmean for different organs.
- FIGURE 3.
SUVmax, T/L ratio, T/S ratio, and T/P ratio for lesion 2 and lesion 3. Color version of this figure is available as supplemental file at http://tech.snmjournals.org.
- FIGURE 4.
Comparison of SUVmax, T/L ratio, T/S ratio, and T/P ratio between scores 2 and 3.
Tables
Parameter Data Age (y) Mean ± SD 67.5 ± 8 Range 52–84 Serum prostate-specific antigen (ng/mL) Mean ± SD 401 ± 1,353 Range 0.098–9,235.13 Gleason score Group 1 1 Group 2 6 Group 3 9 Group 4 17 Group 5 17 Surgery (prostatectomy ± orchidectomy) (n) Yes 50 (100%) No 0 (0%) Hormonal treatment (n) Yes 46 (92%) No 4 (8%) Chemotherapy (n) Yes 39 (78%) No 11 (22%) External-beam radiation therapy (n) Yes 24 (48%) No 26 (52%) 177Lu-PSMA therapy (n) Yes 16 (32%) No 34 (68%) Initial staging (n) Yes 11 (22%) No 39 (78%) Restaging (n) Yes 45 (90%) No 5 (10%) Organ SUVmean SUVmax Liver 3.98 ± 1.74 5.89 ± 2.32 Spleen 6.71 ± 3.8 9.33 ± 4.98 Kidneys 24.13 ± 15 37.72 ± 22.1 Submandibular glands 9.16 ± 4.56 15.44 ± 7.34 Parotid glands 9.51 ± 5.08 14.36 ± 7.05 Lacrimal glands 2.64 ± 1.46 6.16 ± 3.68 Blood pool 1.52 ± 1.22 2.36 ± 1.95 Bowel 7.7 ± 4.34 13.81 ± 7.6 Tubarial glands 2.7 ± 1.97 5.3 ± 1.41 Data are mean ± SD.
Parameter Score of 2 Score of 3 P Sample size (n) 11 39 Average SUVmax 10.33 ± 3.27 38.2 ± 25.92 0.0009 SUVmax range 6.46–17.00 7.6–119.08 Average T/S 1.21 ± 0.44 5.05z ± 4.46 0.0068 T/S range 0.48–2.04 1.25–20.89 Average T/L 1.67 ± 0.46 6.98 ± 3.85 0.00004 T/L range 1.2–2.4 1.4–16.56 Average T/P 0.61 ± 0.18 3.15 ± 2.09 0.00021 T/P range 0.39–0.87 1.06–9.45 Data are mean ± SD or range.
Organ SUVmean SUVmax SUVmean delayed SUVmax delayed SUVmeanP SUVmaxP Liver 3.6 5.9 3.1 6.7 0.0222 0.14 Spleen 6.5 9.4 5.8 9.1 0.0001 0.594 Kidneys 20.1 35.7 21.5 41.7 0.095 0.016 Submandibular glands 7.4 13.4 8.1 16.6 0.541 0.002 Parotid glands 7.1 12.9 8.5 14.1 0.047 0.037 Lacrimal glands 4.2 8.1 4.5 8.3 0.0267 0.01 Aorta 1.33 2.2 2.1 2.1 0.411 0.914 Bowel 5.5 9.7 5.4 10.9 0.41 0.44 Tubarial glands 2.87 5.55 3.3 6.06 0.02 0.08 - TABLE 5
Paired t Test Mean Values for Temporal Variation of Lesional Parameters Between Early and Delayed Images
Parameter Early imaging Delayed imaging Paired t test P SUVmax 18.85 26.24 0.0001 T/L ratio 5.9 6.65 0.45 T/S ratio 12.89 14.12 0.84 T/P ratio 9.36 9.05 0.62
Supplemental Data
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