Patient with bilateral periventricular nodular heterotopia and polymicrogyria with apparently balanced reciprocal translocation t(1;6)(p12;p12.2) that interrupts the mannosidase alpha, class 1A, and glutathione S-transferase A2 genes. Issue 12 (18th December 2003) - Leeflang, E P; Marsh, S E; Parrini, E; Moro, F; Pilz, D; Dobyns, W B; Guerrini, R; Wheless, J W; Gleeson, J G