Kreisl WC, Jenko KJ, Hines CS, et al. A genetic polymorphism for translocator protein 18 kDa affects both in vitro and in vivo radioligand binding in human brain to this Protocol A pilot study to evaluate PBR PET as an indicator of inflammation in brain tumor patients treated with chemoradiation or immunotherapy. Version Date: June 20, 2018 35 putative biomarker of neuroinflammation.