Difference between revisions of "Meningioma"

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275 bytes added ,  14:39, 12 October 2011
(→‎Grade I: subdivide)
(→‎Grade II: +images)
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====Grade II====
====Grade II====
*Invasive (invades the brain).
=====Invasive=====
*Clear cell.
*Invades the brain.
**Microscopic: clear cells - contain glycogen (PAS +ve).
 
**Epi.: usu. spinal cord.<ref>{{Ref PSNP|200}}</ref>
Images:
*Chordoid (chordoma-like).
*[http://moon.ouhsc.edu/kfung/jty1/Composites/FNA0IE18-Meningioma-Invasion.htm Meningioma with brain invasion (ouhsc.edu)].
**Microscopic: myxoid appearance.
 
=====Clear cell=====
Epidemiology:
*Usu. spinal cord.<ref>{{Ref PSNP|200}}</ref>
 
Microscopic:
*Clear cells - contain glycogen (PAS +ve).
 
=====Chordoid=====
*Chordoma-like.
 
Microscopic:
*Myxoid appearance.
 
Image:
*[http://frontalcortex.com/?page=oll&topic=24&qid=914 Chordoid meningioma (frontalcortex.com)].


====Grade III====
====Grade III====
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