Table 1.
Overview of T/B ratios in several studies concerning 68Ga-PSMA PET/CT imaging. The T/B ratio was either computed with the tumor uptake and the SUVmean obtained from a region of interest (ROI) drawn in gluteal muscle [22,32,33] or tumor uptake and the SUVmean from adjacent healthy tissue [34].
| [32] Mean ± SD | [22] Median (Range) | [33] Mean ± SD (Range) | [34] Median (Range) | |
|---|---|---|---|---|
| Lymph node metastases | 21.0 ± 27.4 | 65.2 ± 65.7 (5.3–486.4) | 12.2 (3.8–62.2) | |
| Bone metastases | 24.7 ± 34.2 | 84.4 ± 75.1 (3.8–355) | 34 (6.8–40) | |
| Local recurrences | 15.7 ± 10.1 | 43.3 ± 33.5 (10.7–144.3) | ||
| Axillary lymph nodes | 3 (1.3–8.5) | |||
| Primary tumor | 18.5 (6.7–92) | |||
| Other metastases | 16.7 ± 14.1 | |||
| Total lesions | 21.1 ± 27.4 | 18.8 (2.4–158.3) | 7.8 (1.5–35) |