Difference between revisions of "Oligodendroglioma"

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34 bytes removed ,  08:51, 6 April 2022
(→‎Molecular pathology: codons added)
(→‎General: update)
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* First description of the tumor in 1926.  
* First description of the tumor in 1926.  


The WHO 2016 classification recognizes four tumor subtypes:<ref>{{Cite journal  | last1 = Louis | first1 = DN. | last2 = Perry | first2 = A. | last3 = Reifenberger | first3 = G. | last4 = von Deimling | first4 = A. | last5 = Figarella-Branger | first5 = D. | last6 = Cavenee | first6 = WK. | last7 = Ohgaki | first7 = H. | last8 = Wiestler | first8 = OD. | last9 = Kleihues | first9 = P. | title = The 2016 World Health Organization Classification of Tumors of the Central Nervous System: a summary. | journal = Acta Neuropathol | volume = 131 | issue = 6 | pages = 803-20 | month = Jun | year = 2016 | doi = 10.1007/s00401-016-1545-1 | PMID = 27157931 }}</ref>
The fifth edition of WHO classification recognizes two tumor subtypes:
*Oligodendroglioma, IDH-mutant and 1p/19q-codeleted, WHO Grade II (ICD-O: 9450/3).
*Oligodendroglioma, IDH-mutant and 1p/19q-codeleted, WHO CNS Grade 2 (ICD-O: 9450/3).
*Anaplastic oligodendroglioma, IDH-mutant and 1p/19q-codeleted, WHO Grade III (ICD-O: 9451/3).
*Oligodendroglioma, IDH-mutant and 1p/19q-codeleted, WHO CNS Grade 2 (ICD-O: 9451/3).
*Oligodendroglioma, NOS, WHO Grade II (ICD-O: 9450/3).
 
*Anaplastic oligodendroglioma, NOS, WHO Grade III (ICD-O: 9451/3).
The terminology anaplastic oligodendroglioma or oligoastrocytoma is depreceated. <ref>{{Cite journal  | last1 = Louis | first1 = DN. | last2 = Perry | first2 = A. | last3 = Reifenberger | first3 = G. | last4 = von Deimling | first4 = A. | last5 = Figarella-Branger | first5 = D. | last6 = Cavenee | first6 = WK. | last7 = Ohgaki | first7 = H. | last8 = Wiestler | first8 = OD. | last9 = Kleihues | first9 = P. | title = The 2016 World Health Organization Classification of Tumors of the Central Nervous System: a summary. | journal = Acta Neuropathol | volume = 131 | issue = 6 | pages = 803-20 | month = Jun | year = 2016 | doi = 10.1007/s00401-016-1545-1 | PMID = 27157931 }}</ref>


==Gross/radiologic==
==Gross/radiologic==
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