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Difference between revisions of "Ependymoma"
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'''Ependymoma''' is a [[neuropathology tumour]]. | '''Ependymoma''' is a [[neuropathology tumour]]. | ||
==General== | ==General== | ||
*Called the forgotten glial tumour. | *Called the forgotten glial tumour. | ||
*Anatomic location is essential for tumor diagnosis. | |||
Epidemiology:<ref name=Ref_PBoD8_1334>{{Ref PBoD8|1334}}</ref> | Epidemiology:<ref name=Ref_PBoD8_1334>{{Ref PBoD8|1334}}</ref> | ||
| Line 46: | Line 43: | ||
*May be associated with [[neurofibromatosis type 2]]. | *May be associated with [[neurofibromatosis type 2]]. | ||
There are | There are currently eight main ependymal tumors:<ref name=Ref_WHOCNS_74>{{Ref WHOCNS|74}}</ref> | ||
#Ependymoma (not otherwise specified). | #Supratentorial ependymoma, ZFTA-fusion positive | ||
#Supratentorial ependymoma, YAP1-fusion positive | |||
#Posterior fossa ependymoma group A | |||
#Posterior fossa ependymoma group B | |||
#Spinal ependymoma | |||
#Spinal ependymoma, MYCN-amplified | |||
#[[Myxopapillary ependymoma]] | |||
#[[Subependymoma]] | |||
Ependymoma(not otherwise specified). | |||
#*Other flavours:<ref>URL: [http://emedicine.medscape.com/article/1744030-overview http://emedicine.medscape.com/article/1744030-overview]. Accessed on: 17 January 2012.</ref> | #*Other flavours:<ref>URL: [http://emedicine.medscape.com/article/1744030-overview http://emedicine.medscape.com/article/1744030-overview]. Accessed on: 17 January 2012.</ref> | ||
#**Papillary ependymoma. | #**Papillary ependymoma. | ||
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#*Majority of supratentorial ependymoma in children. | #*Majority of supratentorial ependymoma in children. | ||
#Anaplastic ependymoma. | #Anaplastic ependymoma. | ||
The designation ''Cellular ependymoma'' is depreceated. | The designation ''Cellular ependymoma'' is depreceated. | ||
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*Ventricular location, but also within the spinal cord. | *Ventricular location, but also within the spinal cord. | ||
*Dissemination possible. | *Dissemination possible. | ||
*[[Myxopapillary ependymoma]] classically at [[filum terminale]]. | |||
*[[Subependymoma]] typically seen in IVth ventricle. | |||
<gallery> | <gallery> | ||
File:AFIP405711R-EPENDYMOMA.jpg | Radiology (AFIP) | File:AFIP405711R-EPENDYMOMA.jpg | Radiology (AFIP) | ||