KLK3 and posterior cortical atrophy: Using Ga-68-PSMA11-PET/CT, Fourquet et al. analysed 30 non-metastatic PCa patients with increasing serum PSA after medical castration and observed positive findings in all 20 patients whose serum PSA was over 2 ng/mL and in 7 of 10 patients whose serum PSA stayed below 2 ng/mL.