Glioma classification: Difference between revisions

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Latest revision as of 23:37, 26 November 2017

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [2], Sujit Routray, M.D. [3]

Overview

Glioma may be classified into several subtypes based on the type of cell (ependymoma, astrocytoma, oligodendroglioma, and mixed gliomas), grade (low-grade and high-grade gliomas), and location (infratentorial and supratentorial).^[1]

Classification

Glioma may be classified into several subtypes based on the type of cell, grade, and location.^[1]

1. Based on the type of cell

Glioma may be classified according to the type of cell into four subtypes:^[1]

Ependymomas — ependymal cells
Astrocytomas — astrocytes
Oligodendrogliomas — oligodendrocytes
Mixed gliomas (oligoastrocytomas) — cells from different types of glia

2. Based on the grade

Glioma may be classified according to the grade into two subtypes:^[1]

Low-grade gliomas are well-differentiated tumors. These are benign tumors.
High-grade gliomas are undifferentiated or anaplastic tumors. These are malignant tumors.

WHO grading system for astrocytomas


Grade	Type of tumor

WHO grade 1	Pilocytic astrocytoma
WHO grade 2	Low-grade astrocytoma
WHO grade 3	Anaplastic astrocytoma
WHO grade 4	Glioblastoma multiforme

3. Based on the location

Glioma may be classified according to the location into two subtypes:^[1]

Infratentorial: mostly in children (70%)
Supratentorial: mostly in adults (70%)

References

↑ ^1.0 ^1.1 ^1.2 ^1.3 ^1.4 Classification of glioma. Wikipedia. https://en.wikipedia.org/wiki/Glioma

Template:WikiDoc Sources

[ddd-1] 1.0 ^1.1 ^1.2 ^1.3 ^1.4 Classification of glioma. Wikipedia. https://en.wikipedia.org/wiki/Glioma

[1]

@@ Line 1: / Line 1: @@
 {{Glioma}}
-{{CMG}}; '''Associate Editor-In-Chief:''' {{CZ}}{{SR}}
+{{CMG}}; '''Associate Editor-In-Chief:''' {{CZ}}, {{SR}}
 ==Overview==
-Glioma may be classified into several subtypes based on the type of cell, grade, and location.<ref name=ddd>Classification of glioma. Wikipedia. https://en.wikipedia.org/wiki/Glioma</ref>
+Glioma may be classified into several subtypes based on the type of cell (ependymoma, astrocytoma, oligodendroglioma, and mixed gliomas), grade (low-grade and high-grade gliomas), and location (infratentorial and supratentorial).<ref name=ddd>Classification of glioma. Wikipedia. https://en.wikipedia.org/wiki/Glioma</ref>
 ==Classification==
@@ Line 13: / Line 13: @@
 * [[Astrocytoma]]s — [[astrocyte]]s
 * [[Oligodendroglioma]]s — [[oligodendrocyte]]s
-* Mixed gliomas, such as [[oligoastrocytomas]], contain cells from different types of [[glia]].
+* Mixed gliomas ([[oligoastrocytomas]]) — cells from different types of [[glia]]
 ===2. Based on the grade===
@@ Line 21: / Line 21: @@
 '''WHO grading system for astrocytomas'''
-*WHO Grade 1 &mdash; e.g., [[pilocytic astrocytoma]]
-*WHO Grade 2 &mdash; e.g., low-grade astrocytoma
+{| style="border: 0px; font-size: 90%; margin: 3px; width: 600px" align=center
-*WHO Grade 3 &mdash; e.g., [[anaplastic]] ([[cancer|malignant]]) astrocytoma
+|valign=top|
-*WHO Grade 4 &mdash; e.g., [[glioblastoma multiforme]]
+|+
+! style="background: #4479BA; width: 200px;" | {{fontcolor|#FFF|Grade}}
+! style="background: #4479BA; width: 400px;" | {{fontcolor|#FFF|Type of tumor}}
+|-
+| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |
+WHO grade 1
+| style="padding: 5px 5px; background: #F5F5F5;" |
+*[[Pilocytic astrocytoma]]
+|-
+| style="padding: 5px 5px; background: #DCDCDC;font-weight: bold" |
+WHO grade 2
+| style="padding: 5px 5px; background: #F5F5F5;" |
+*[[Astrocytoma|Low-grade astrocytoma]]
+|-
+| style="padding: 5px 5px; background: #DCDCDC;font-weight: bold" |
+WHO grade 3
+| style="padding: 5px 5px; background: #F5F5F5;" |
+*[[anaplastic|Anaplastic astrocytoma]]
+|-
+| style="padding: 5px 5px; background: #DCDCDC;font-weight: bold" |
+WHO grade 4
+| style="padding: 5px 5px; background: #F5F5F5;" |
+*[[Glioblastoma multiforme]]
+|}
 ===3. Based on the location===
 Glioma may be classified according to the location into two subtypes:<ref name=ddd>Classification of glioma. Wikipedia. https://en.wikipedia.org/wiki/Glioma</ref>
-* [[Infratentorial]] : mostly in children (70%)
+* [[Infratentorial]]: mostly in children (70%)
-* [[Supratentorial]] : mostly in adults (70%)
+* [[Supratentorial]]: mostly in adults (70%)
 ==References==
@@ Line 40: / Line 63: @@
 {{WikiDoc Help Menu}}
 {{WikiDoc Sources}}
+ [[Category:Up-To-Date]]
+[[Category:Oncology]]
+[[Category:Medicine]]
+[[Category:Neurology]]
+[[Category:Neurosurgery]]