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Difference between revisions of "Subependymoma"
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'''Subependymoma''' is [[neuropathology]] tumour classically found in the fourth ventricle. | |||
==General== | |||
*Good prognosis - WHO Grade I. | |||
==Gross/radiology== | |||
*Classic location: fourth ventricle.<ref>{{Cite journal | last1 = Hoeffel | first1 = C. | last2 = Boukobza | first2 = M. | last3 = Polivka | first3 = M. | last4 = Lot | first4 = G. | last5 = Guichard | first5 = JP. | last6 = Lafitte | first6 = F. | last7 = Reizine | first7 = D. | last8 = Merland | first8 = JJ. | title = MR manifestations of subependymomas. | journal = AJNR Am J Neuroradiol | volume = 16 | issue = 10 | pages = 2121-9 | month = | year = | doi = | PMID = 8585504 |url=http://www.ajnr.org/cgi/reprint/16/10/2121}}</ref> | |||
*Well demarcated margin. | |||
*Usu. completely within the ventricle; does not extend into brain (like [[ependymoma]]s). | |||
==Microscopic== | |||
Features:<ref name=ouhsc>URL: [http://moon.ouhsc.edu/kfung/jty1/Com05/Com501-2-Diss.htm http://moon.ouhsc.edu/kfung/jty1/Com05/Com501-2-Diss.htm]. Accessed on: 2 June 2011.</ref> | |||
*Microcysts with bluish material - give a spongy appearance at low magnification. | |||
*Nuclei cluster. | |||
**Described as "bundles of flowers". | |||
Negatives. | |||
*No nuclear pleomorphism, no prominent nucleoli, no mitoses. | |||
===Images=== | |||
www: | |||
*[http://moon.ouhsc.edu/kfung/jty1/Com05/Com05Image/Com501-2-04.gif Subependymoma (ouhsc.edu)].<ref name=ouhsc>URL: [http://moon.ouhsc.edu/kfung/jty1/Com05/Com501-2-Diss.htm http://moon.ouhsc.edu/kfung/jty1/Com05/Com501-2-Diss.htm]. Accessed on: 2 June 2011.</ref> | |||
<gallery> | |||
Image:Subependymoma_-_intermed_mag.jpg | Subependyoma - intermed. mag. (WC) | |||
Image:Subependymoma_-_high_mag.jpg | Subependymoma - high mag. (WC) | |||
</gallery> | |||
==See also== | |||
*[[Neuropathology tumours]]. | |||
*[[Neuropathology]]. | |||
==References== | |||
{{Reflist|2}} | |||
[[Category:Diagnosis]] | [[Category:Diagnosis]] | ||
[[Category:Neuropathology tumours]] | |||