TABLE 1.

Patients’ Characteristics

CharacteristicData
Patients27 (100%)
Age (y)67.8 ± 8.8 (49.0–82.0)
Initial treatmentRadical prostatectomy: 25/27 (93%); radiation therapy: 2/27 (7%)
Initial Gleason score7: 18/27 (66.7%); 8: 1/27 (3.7%); 9: 8/27 (29.6%)
PSA (ng/mL)3.5 ± 3.9 (0.3–13.5)
PSA doubling time (mo)6.4 ± 5.2 (1.2–22.4)*
68Ga-NeoB
 Injected activity (MBq)198.1 ± 25.5 (145.1–245.6)
 Uptake time (min)49.7 ± 7.2 (43–77)
 Duration of PET/MRI (min)58.5 ± 4.5 (42–66)
 Delay to pelvic PET/MRI (min)35.9 ± 5.4 (21–46)
68Ga-PSMA-R2
 Injected activity (MBq)186.1 ± 29.2 (108.4–228.6)
 Uptake time (min)47.0 ± 2.8 (44–55)
 Duration of PET/MRI (min)58.1 ± 3.2 (52–65)
 Delay to pelvic PET/MRI (min)37.4 ± 4.5 (29–54)
 Time between scans (d)11.0 ± 15.2 (1–72)
  • * Three patients showed PSA persistence after radical prostatectomy.

  • Qualitative data are number and percentage; continuous data are mean ± SD, followed by range in parentheses.