When seizures are present in any forms of cortical dysplasia, they are resistant to medication. Frontal lobe resection provides significant relief from seizures to a minority of patients with periventricular lesions.
Gray matter heterotopia
Germinal matrix hemorrhage
Periventricular leukomalacia
Nasal glial heterotopia
Subependymal giant cell astrocytoma
Fibrillary astrocytoma
Basilar invagination
Dysembryoplastic neuroepithelial tumour