NTN1 and posterior cortical atrophy: In the PCa group, average serum AMACR, urine AMACR, serum Netrin 1 and urine Netrin 1 levels were 10.2±9.8 ng/mL (21.9-49.5 ng/mL); 6.8 ±2.5 ng/mL (3.2-14.9 ng/mL); 159.1 ±44.1 pg/mL (38.1-225.9 pg/mL) and 20.1 ±5.3 pg/mL (11.5-33.6 pg/mL) respectively (Table 1).