Diagnostic Criteria for Adult Diffuse Gliomas

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Questions and Answers

What is the name of the gene that has a mutation at position 27?

  • BRAF
  • TACC3
  • FGFR3
  • H3 (correct)

What is the name of the amino acid at position 34 in the H3 gene?

  • Valine
  • Glutamic acid
  • Methionine
  • Glycine (correct)

What is the name of the protein that is associated with the V600E mutation?

  • BRAF (correct)
  • H3
  • TACC3
  • FGFR3

What is the name of the fusion gene that is a result of a translocation event?

<p>FGFR3-TACC3 (C)</p> Signup and view all the answers

What is the abbreviation of the gene that is associated with the V600E mutation?

<p>BRAF (C)</p> Signup and view all the answers

What is the name of the gene that has a mutation at position 34?

<p>H3 (A)</p> Signup and view all the answers

What is the name of the gene that is involved in the fusion event?

<p>FGFR3 (D)</p> Signup and view all the answers

What is the name of the protein that is associated with the K27(M) mutation?

<p>H3 (D)</p> Signup and view all the answers

What is the name of the gene that is not involved in the fusion event?

<p>H3 (C)</p> Signup and view all the answers

What is the name of the gene that has a mutation other than the V600E mutation?

<p>H3 (B)</p> Signup and view all the answers

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Study Notes

Erişkin Tip Difüz Gliyal Tumorlar (Adult Type Diffuse Glioma)

  • 2021 classification: Diffusely infiltrating glioma requires IDH1 or IDH2 mutation or loss of ATRX expression or ATRX mutation, or exclusion of 1p/19q codeletion.

Glioblastom Classification

  • IDH mutant glioblastoma
  • IDH non-mutant glioblastoma
  • Giant cell glioblastoma
  • Gliosarcoma
  • Epithelioid glioblastoma

Oligodendroglioma Classification

  • IDH mutant and 1p/19q codeleted oligodendroglioma
  • IDH non-mutant oligodendroglioma
  • Anaplastic oligodendroglioma, IDH mutant and 1p/19q codeleted
  • Anaplastic oligodendroglioma, IDH non-mutant

WHO 2016 Classification Changes

  • IDH mutant diffuse astrocytoma
  • IDH non-mutant diffuse astrocytoma
  • Anaplastic astrocytoma, IDH mutant
  • Anaplastic astrocytoma, IDH non-mutant
  • Glioblastoma, IDH mutant
  • Glioblastoma, IDH non-mutant

Pediatric Type Diffuse Low-Grade Glioma

  • Diffuse astrocytoma, MYB or MYBL1 altered
  • Diffuse low-grade glioma, MAPK pathway altered
  • Diffuse pediatric-type high-grade glioma, IDH and histone mutated
  • High-grade glioma, IDH and histone mutated, pediatric type

Grading of IDH-Mutated Gliomas

  • Grade 2: Well-differentiated, no anaplasia, no necrosis, CDKN2A homozigot deletion not present
  • Grade 3: Focal or intense anaplasia, mitosis present, necrosis and CDKN2A homozigot deletion not present
  • Grade 4: Mitosis, vascular proliferation, necrosis, or CDKN2A homozigot deletion present

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