Detection of heterotopia generally occurs when a patient receives brain imaging—usually an MRI or CT scan—to diagnose seizures that are resistant to medication. Correct diagnosis requires a high degree of radiological skill, due to the heterotopia's resemblance to other masses in the brain.
Gray matter heterotopia
Germinal matrix hemorrhage
Periventricular leukomalacia
Nasal glial heterotopia
Subependymal giant cell astrocytoma
Fibrillary astrocytoma
Basilar invagination
Dysembryoplastic neuroepithelial tumour