Top: Coronal and axial T1-weighted MRI demonstrating parietal subcortical heterotopia (arrows).
Bottom left: Coronal T2-weighted MRI demonstrating bilateral perisylvian polymicrogyria.
Bottom right: Coronal inverted T2-weighted MRI demonstrating abnormal signal changes (post-traumatic in nature) in the left parietal lobe involving the white matter.

http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=epi&part=ch12&rendertype=figure&id=ch12.f16