Difference between revisions of "Neuropathology tumours"

Neuropathology tumours (view source)

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 ====Grading====
-At least grade II (diffuse astrocytoma):
+Nuclear pleomorphism present:
-*Nuclear pleomorphism.
+*At least grade II (diffuse astrocytoma).
-At least grade III (anaplastic astrocytoma):
+Mitotic figures present:
-*Mitotic figures.
+*At least grade III (anaplastic astrocytoma).
-At least grade IV (glioblastoma [[AKA]] glioblastoma multiforme):
+Microvascular proliferation ''or'' necrosis with pseudopalisading tumour cells:
-*Microvascular proliferation ''or'' necrosis with pseudopalisading tumour cells.
+*Grade IV (glioblastoma [[AKA]] glioblastoma multiforme).
-**Pseudopalisading tumour cells = high tumour cell density adjacent to regions of necrosis; palisade = a fence of pales forming a defense barrier or fortification.
+Notes:
+*Pseudopalisading tumour cells = high tumour cell density adjacent to regions of necrosis; palisade = a fence of pales forming a defense barrier or fortification.
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