Dysembryoplastic neuroepithelial tumor (DNET)

Case contributed by Assoc Prof Frank Gaillard

Presentation

Seizures

Patient Data

Age: 8 years
Gender: Male

Prominent bony remodeling of the inner table of the skull. 

Large cortical mass with markedly increased T2 signal and associated overlying bony remodeling. It is low on T1 with no enhancement. Features suggest the diagnosis of a DNET. 

Intra-op images

Photo

Intraoperative images demonstrating abnormal cortex and remodeling of the skull vault. 

Case Discussion

Histology confirmed the diagnosis of Dysembryoplastic neuroepithelial tumor (DNET) - typical appearances. 

Case courtesy of Ciro Duarte. 

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