Recently, it was reported that despite only moderate detection rates of 16.7% for [18F]FDG PET/CT scans used on PCa patients with negative [68Ga]Ga-PSMA-11 PET/CT scans, the patients with positive [18F]FDG scans possessed higher PSA levels and GSCs compared to patients with negative scans [21]. Here, KLK3 is linked to posterior cortical atrophy.