| Unique features in the present case were ( 1 ) bilateral periventricular undulating cortical ribbon like structures mimicking fused gyri and sulci , associated with aberrant reelin expression , ( 2 ) large dysplastic neocortical neurons positive for phosphorylated neurofilament , calbindin D28K , tuberin , hamartin , doublecortin , LIS 1 , reelin and Dab 1 , ( 3 ) derangement of radial glial fibers , and ( 4 ) disorganized cerebellar cortex and heterotopic gray matter composed exclusively of granule cells in the cerebellar deep white matter . ^^^ |