Dysembryoplastic neuroepithelial tumor (DNET)

Case contributed by Utkarsh Kabra
Diagnosis probable

Presentation

Seizures

Patient Data

Age: 15 years
Gender: Male

Cortical based lesion, measuring approx. 23 x 27 x 23mm (AP x TD x CC) is seen in left frontal lobe with areas of gyral expansion. It is nearly reaching upto frontal horn of left lateral ventricle with no obvious mass effect. Lesion appears heterogeneously hyperintense on T2 with multiple tiny cystic areas within and incomplete suppression on FLAIR images. Post contrast study shows minimal enhancement. No significant perilesional edema is seen.

Case Discussion

Findings are suggestive of a Dysembryoplastic neuroepithelial tumor (DNET).

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