Dysembryoplastic neuroepithelial tumor (DNET)

Case contributed by Frank Gaillard , 18 Jul 2008
Diagnosis certain
Changed by Henry Knipe, 8 Jan 2024
Disclosures - updated 16 Jan 2023:
  • Integral Diagnostics, Shareholder (ongoing)
  • Micro-X Ltd, Shareholder (ongoing)

Updates to Case Attributes

Body was changed:

The patient went on to have a resection.

Histology

 A A low-grade glioneuronal tumour is located in the cortex and white matter and contains cystic elements. Floating neuronsneurones are observed. Neurocytic-type cells are also noted. In addition to the dysembryoplastic neuroepithelial tumour, varying degrees of cerebral microdysgenesis are also observed, represented by small aggregates of neuronsneurones and neurocytic type cells, and increased numbers of ganglion type cells within white matter. Mesial temporal sclerosis is not defined.

Final Diagnosisdiagnosis:dysembryoplastic neuroepithelial tumour (DNET).

  • -<p>The patient went on to have a resection. </p><p><strong>Histology</strong></p><p> A low-grade glioneuronal tumour is located in the cortex and white matter and contains cystic elements. Floating neurons are observed. Neurocytic-type cells are also noted. In addition to the dysembryoplastic neuroepithelial tumour, varying degrees of cerebral microdysgenesis are also observed, represented by small aggregates of neurons and neurocytic type cells, and increased numbers of ganglion type cells within white matter. Mesial temporal sclerosis is not defined.</p><p>Final Diagnosis: <a href="/articles/dysembryoplastic-neuroepithelial-tumour">dysembryoplastic neuroepithelial tumour (DNET)</a></p>
  • +<p>The patient went on to have a resection.&nbsp;</p><p><strong>Histology</strong></p><p>&nbsp;A low-grade glioneuronal tumour is located in the cortex and white matter and contains cystic elements. Floating neurones are observed. Neurocytic-type cells are also noted. In addition to the dysembryoplastic neuroepithelial tumour, varying degrees of cerebral microdysgenesis are also observed, represented by small aggregates of neurones and neurocytic type cells, and increased numbers of ganglion type cells within white matter. Mesial temporal sclerosis is not defined.</p><p>Final diagnosis:&nbsp;<a href="/articles/dysembryoplastic-neuroepithelial-tumour">dysembryoplastic neuroepithelial tumour (DNET)</a>.</p>

Tags changed:

  • legacy

Updates to Freetext Attributes

Description was added:

Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.