Circumscribed astrocytic gliomas [Neurosurgery Wiki]

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====== Circumscribed astrocytic gliomas ======

The [[World Health Organization Classification of Tumors of the Central Nervous System 2021]], also known as WHO 5th edition, introduces substantial changes, especially within the [[glioma]] category, and separates adult-type and pediatric-type glial tumors into different categories for the first time. In addition, another category of glial tumors, "[[Circumscribed Astrocytic Gliomas]]" was also created. This group includes [[pilocytic astrocytoma]], [[pleomorphic xanthoastrocytoma]], [[subependymal giant cell astrocytoma]], [[chordoid glioma]], [[astroblastoma]], and the highly nebulous novel entity high-grade astrocytoma with piloid features
((Köy Y, Tihan T. Circumscribed astrocytic gliomas: Contribution of molecular analyses to histopathology diagnosis in the WHO CNS5 classification. Indian J Pathol Microbiol. 2022 May;65(Supplement):S33-S41. doi: 10.4103/ijpm.ijpm_1019_21. PMID: 35562132.)).

 
  [[Pilocytic astrocytoma]]
 
  [[High-grade astrocytoma with piloid features]]
 
  [[Pleomorphic xanthoastrocytoma]] 

  [[Subependymal giant cell astrocytoma]] 

  [[Chordoid glioma]] 

  [[Astroblastoma, MN1-altered]]