FOLH1 and posterior cortical atrophy: The 68Ga-labelled HBED-CC conjugate of the prostate-specific membrane antigen (PSMA) specific pharmacophore based on urea-like structures Glu-NH-CO-NH-Lys (Ga-68 PSMA-HBED-CC) constitutes an attractive and alternative PET tracer for the evaluation of patients with PCa (Perera et al., 2016; von Eyben et al., 2016; Hillier et al., 2009; Eder et al., 2012; Schäfer et al., 2012; Bander, 2006; Liu et al., 1997; Sweat et al., 1998; Mannweiler et al., 2009; Eder et al., 2013; Afshar-Oromieh et al., 2013).