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Difference between revisions of "Pilomyxoid astrocytoma"
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Pilomyxoid astrocytoma (view source)
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'''Pilomyxoid astrocytoma''' is a [[neuropathology tumour]] related to [[pilocytic astrocytoma]]. | '''Pilomyxoid astrocytoma''' is a [[neuropathology tumour]] related to [[pilocytic astrocytoma]]. | ||
==General== | |||
Features:<ref name=Ref_PSNP86>{{Ref PSNP|86}}</ref> | Features:<ref name=Ref_PSNP86>{{Ref PSNP|86}}</ref> | ||
*A variant of ''pilocytic astrocytoma''. | *A variant of ''pilocytic astrocytoma''. | ||
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*Childhood or adolescence. | *Childhood or adolescence. | ||
===Gross | Grading: | ||
*''WHO Grade II'' by definition.<ref name=Ref_PSNP86>{{Ref PSNP|86}}</ref> | |||
==Gross== | |||
Features:<ref name=Ref_PSNP86>{{Ref PSNP|86}}</ref> | Features:<ref name=Ref_PSNP86>{{Ref PSNP|86}}</ref> | ||
*Classically - hypothalamic location/suprasellar location; may involve the sella turcica.<ref name=pmid19766001>{{cite journal |author=Alimohamadi M, Bidabadi MS, Ayan Z, Ketabchi E, Amirjamshidi A |title=Pilomyxoid astrocytoma with involvement of the sella turcica in an adolescent |journal=J Clin Neurosci |volume=16 |issue=12 |pages=1648–9 |year=2009 |month=December |pmid=19766001 |doi=10.1016/j.jocn.2009.01.035 |url=}}</ref> | *Classically - hypothalamic location/suprasellar location; may involve the sella turcica.<ref name=pmid19766001>{{cite journal |author=Alimohamadi M, Bidabadi MS, Ayan Z, Ketabchi E, Amirjamshidi A |title=Pilomyxoid astrocytoma with involvement of the sella turcica in an adolescent |journal=J Clin Neurosci |volume=16 |issue=12 |pages=1648–9 |year=2009 |month=December |pmid=19766001 |doi=10.1016/j.jocn.2009.01.035 |url=}}</ref> | ||
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*Well-circumscribed. | *Well-circumscribed. | ||
==Microscopic== | |||
Features:<ref name=Ref_PSNP86>{{Ref PSNP|86}}</ref> | Features:<ref name=Ref_PSNP86>{{Ref PSNP|86}}</ref> | ||
*Consists of small round/ovoid bland cells in a [[myxoid stroma]]. | *Consists of small round/ovoid bland cells in a [[myxoid stroma]]. | ||
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*May rarely have eosinophilic granular bodies. | *May rarely have eosinophilic granular bodies. | ||
===Images=== | |||
<gallery> | <gallery> | ||
Image:Pilomyxoid Astrocytoma HE20x.jpg | Pilomyxoid astrocytoma. (WC/Marvin 101) | Image:Pilomyxoid Astrocytoma HE20x.jpg | Pilomyxoid astrocytoma. (WC/Marvin 101) | ||
</gallery> | </gallery> | ||
==See also== | ==See also== | ||
*[[Neuropathology tumours]]. | *[[Neuropathology tumours]]. | ||
*[[Pilocytic astrocytoma]]. | |||
==References== | ==References== | ||