IDH1 and central nervous system cancer: Furthermore, no differences in non-vascular PSMA expression were seen between AC and ODG (mean amount of PSMA staining cells: cells: 17 and 26, p = 0.17), as well as IDH1-R132H mutated and wild type gliomas (mean amount of PSMA staining cells: 18 and 23, p = 0.53).