The genes EPHB1, KIAA1614, SACS, SMAD4, PCDHA1, TNS1, CACNA1C, DEPDC1, PCDHGA9, LRP4, KLHL2, CDC20, ARHGEF39, CGNL1, SKIV2L2, FAM196A, IL6ST, ATP2B4, TGFBR3, TIGD3, NOS1, SRSF2, MYO9A, KIF13A, UBR3, WIF1, LRGUK, ERBB4, and NYNRIN had mutations in aggressive PCa only (Table 1). The gene discussed is MTREX; the disease is posterior cortical atrophy.