FOLH1 and posterior cortical atrophy: Investigators from the National Center for Nuclear Research Radioisotopes Centre POLATOM developed a new radioligand, PSMA-T4 (Glu-CO-Lys-L-Trp-4-Amc-HYNIC) (C37H49N9O10 with a molecular weight (MW) of 779.36 g/mol), which potentially can be used in the diagnosis of PCa patients [33].