FOLH1 and glioblastoma: The values of [68Ga]Ga-PSMA-617 SUVmean and SUVmax observed in the BTV and in the control VOI of this small cohort of patients are within the range of values previously reported by Kunikowska et al. [12] and by Sasikumar et al. [8] for [68Ga]Ga-PSMA-11 uptake in recurrent GBM patients.