48,830
edits
Difference between revisions of "Neuropathology tumours"
Jump to navigation
Jump to search
→Neurocytoma: more
(→Classic ependymoma: +image, reorder) |
(→Neurocytoma: more) |
||
| Line 845: | Line 845: | ||
===Microscopic=== | ===Microscopic=== | ||
Features: | Features:<ref>URL: [http://moon.ouhsc.edu/kfung/jty1/Composites/FNA0IE14-Neurocytoma-Micro.htm http://moon.ouhsc.edu/kfung/jty1/Composites/FNA0IE14-Neurocytoma-Micro.htm]. Accessed on: 12 October 2011.</ref> | ||
*Pineocytomatous/neurocytic rosette = irregular rosette with a large meshwork of fibers (neuropil) at the centre.<ref name=pmid16551982>{{cite journal |author=Wippold FJ, Perry A |title=Neuropathology for the neuroradiologist: rosettes and pseudorosettes |journal=AJNR Am J Neuroradiol |volume=27 |issue=3 |pages=488–92 |year=2006 |month=March |pmid=16551982 |doi= |url=}}</ref> | *Pineocytomatous/neurocytic rosette = irregular rosette with a large meshwork of fibers (neuropil) at the centre.<ref name=pmid16551982>{{cite journal |author=Wippold FJ, Perry A |title=Neuropathology for the neuroradiologist: rosettes and pseudorosettes |journal=AJNR Am J Neuroradiol |volume=27 |issue=3 |pages=488–92 |year=2006 |month=March |pmid=16551982 |doi= |url=}}</ref> | ||
**Similar to Homer-Wright rosette. | **Similar to Homer-Wright rosette. | ||
*Perinuclear clearing. | |||
*Well-defined cell borders. | |||
DDx: | |||
*[[Oligodendroglioma]] - do not have the characteristic rosettes. | |||
Images: | Images: | ||
*[http://moon.ouhsc.edu/kfung/jty1/Composites/FNA0IE14-Neurocytoma-Micro.htm Neurocytoma (ouhsc.edu)]. | *[http://moon.ouhsc.edu/kfung/jty1/Composites/FNA0IE14-Neurocytoma-Micro.htm Neurocytoma (ouhsc.edu)]. | ||
===IHC=== | |||
*Syaptophysin +ve. | |||
==Central neurocytoma== | ==Central neurocytoma== | ||