Oligodendroglioma NOS (grade 3)

Case contributed by Bahman Rasuli , 11 Jan 2021
Diagnosis certain
Changed by Frank Gaillard, 23 Sep 2021

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Anaplastic oligodendrogliomaOligodendroglioma NOS (grade 3)
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FINAL DIAGNOSIS: Anaplastic oligodendroglioma - WHO Grade III.

Anaplastic oligodendroglioma is a WHO grade III diffuse infiltrating glioma that has histological features of anaplasia, and molecular markers consistent with an oligodendroglioma (1p19q co-deletion and IDH mutation) as per the current (2016) WHO classification of CNS tumors 1. They make up 20-50% of all oligodendrogliomas. If

As the molecular status is unavailable then the diagnosis relies on histology alone and is given the designation anaplastic oligodendroglioma NOS (grade 3)

  • -<p>FINAL DIAGNOSIS: Anaplastic oligodendroglioma - WHO Grade III.</p><p>Anaplastic oligodendroglioma is a WHO grade III diffuse infiltrating glioma that has histological features of anaplasia, and molecular markers consistent with an oligodendroglioma (<a href="/articles/1p19q-codeletion">1p19q co-deletion</a> and <a href="/articles/isocitrate-dehydrogenase">IDH mutation</a>) as per the current (2016) WHO classification of CNS tumors <sup>1</sup>. They make up 20-50% of all oligodendrogliomas. If the molecular status is unavailable then the diagnosis relies on histology alone and is given the designation anaplastic oligodendroglioma NOS. </p>
  • +<p>FINAL DIAGNOSIS: Anaplastic oligodendroglioma - WHO Grade III.</p><p>Anaplastic oligodendroglioma is a WHO grade III diffuse infiltrating glioma that has histological features of anaplasia, and molecular markers consistent with an oligodendroglioma (<a href="/articles/1p19q-codeletion">1p19q co-deletion</a> and <a href="/articles/isocitrate-dehydrogenase">IDH mutation</a>) as per the current (2016) WHO classification of CNS tumors <sup>1</sup>. They make up 20-50% of all oligodendrogliomas.</p><p>As the molecular status is unavailable then the diagnosis relies on histology alone and is given the designation <a title="Oligodendroglioma" href="/articles/oligodendroglioma">oligodendroglioma NOS (grade 3)</a>. </p>

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