Subependymoma
Jump to navigation
Jump to search
Subependymoma is neuropathology tumour classically found in the fourth ventricle.
General
- Good prognosis - WHO Grade I.
Gross/radiology
- Classic location: fourth ventricle.[1]
- Well demarcated margin.
- Usu. completely within the ventricle; does not extend into brain (like ependymomas).
Microscopic
Features:[2]
- 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:
Subependyoma - intermed. mag. (WC)
Subependymoma - high mag. (WC)
See also
References
- ↑ Hoeffel, C.; Boukobza, M.; Polivka, M.; Lot, G.; Guichard, JP.; Lafitte, F.; Reizine, D.; Merland, JJ.. "MR manifestations of subependymomas.". AJNR Am J Neuroradiol 16 (10): 2121-9. PMID 8585504. http://www.ajnr.org/cgi/reprint/16/10/2121.
- ↑ 2.0 2.1 URL: http://moon.ouhsc.edu/kfung/jty1/Com05/Com501-2-Diss.htm. Accessed on: 2 June 2011.