Presentation
Seizures.
Patient Data
Age: 15 years
Gender: Male
From the case:
Dysembryoplastic neuroepithelial tumor
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MRI demonstrating a cortical-based well-defined mass in the left temporal region with T2/FLAIR high signal intensity and T1-WI iso to low signal intensity without surrounding edema and with overlying bony remodeling. Incomplete T2/FLAIR hyperintense ring represents the bright rim sign.
Case Discussion
These imaging findings suggest a low grade left temporal lobe dysembryoplastic neuroepithelial tumor (DNET). Possibilities also include ganglioglioma or pleomorphic xanthoastrocytoma.
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