Subependymal heterotopia on the right (arrow) in coronal IRprep T1 weighted image (3.0 T MRI). Nodules isointense to grey matter are shown in the wall of the lateral ventricle. (Click here to magnify the figure)

http://yassermetwally.wordpress.com/epilepsy-and-seizure-disorders/neuroimaging-of-seizure-disorders/