Difference between revisions of "Oligodendroglioma"

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(→‎Molecular pathology: IDH and LOH required)
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# WHO grade II.
# WHO grade II.
#*This is most oligodendrogliomas.
#*This is most oligodendrogliomas.
#*Without genetic testing for [[IDH-1]] and LOH 1p/19q, the tumor is called Oligodendroglioma, NOS.
#*Without genetic testing for [[IDH-1]]/2 and LOH 1p/19q, the tumor is called Oligodendroglioma, NOS.
# WHO grade III.
# WHO grade III.
#*Features for calling high grade:<ref name=Ref_PSNP98>{{Ref PSNP|98}}</ref>
#*Features for calling high grade:<ref name=Ref_PSNP98>{{Ref PSNP|98}}</ref>
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#**Necrosis.
#**Necrosis.
#**High mitotic rate (6 mitoses/10 HPF for whatever "HPF" means, see [[HPFitis]]).
#**High mitotic rate (6 mitoses/10 HPF for whatever "HPF" means, see [[HPFitis]]).
#*Without genetic testing for [[IDH-1]] and LOH 1p/19q, the tumor is called Anaplastic oligodendroglioma, NOS.
#*Without genetic testing for [[IDH-1]]/2 and LOH 1p/19q, the tumor is called Anaplastic oligodendroglioma, NOS.


==IHC==
==IHC==
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