Imaging findings are characteristic of dysembryoplastic neuroepithelial tumor (DNET). However, oligodendroglioma, ganglioglioma, and pleomorphic xanthoastrocytoma are among the differential diagnosis, but less likely.

This teenage patient presented with seizures to a neurologist who requested an MRI. The findings are typical of DNET. They are slow growing tumors arising from either cortical or deep grey matter. They characteristically cause intractable partial seizures.