FOLH1 and glioblastoma: Of these, seven glioblastoma (GBM, WHO grade IV) patients (n = 8 lesions) showed high-grade PSMA uptake (median TBR = 13.9), whereas the remaining three low-grade glioma (LGG, WHO grade II) lesions had low PSMA uptake (median TBR = 3.4).