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→General: New WHO 2016 entity: Ependymoma, RELA-fusion positive
Jensflorian (talk | contribs) (image + ref metaplasia in ependymoma) |
Jensflorian (talk | contribs) (→General: New WHO 2016 entity: Ependymoma, RELA-fusion positive) |
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*May be associated with [[neurofibromatosis type 2]]. | *May be associated with [[neurofibromatosis type 2]]. | ||
There are | There are five main ependymal tumors:<ref name=Ref_WHOCNS_74>{{Ref WHOCNS|74}}</ref> | ||
#Ependymoma (not otherwise specified). | #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. | ||
#**Clear cell ependymoma. | #**Clear cell ependymoma. | ||
#**Tanycytic ependymoma. | #**Tanycytic ependymoma. | ||
#Ependymoma, RELA fusion-positive.<ref>{{Cite journal | last1 = Parker | first1 = M. | last2 = Mohankumar | first2 = KM. | last3 = Punchihewa | first3 = C. | last4 = Weinlich | first4 = R. | last5 = Dalton | first5 = JD. | last6 = Li | first6 = Y. | last7 = Lee | first7 = R. | last8 = Tatevossian | first8 = RG. | last9 = Phoenix | first9 = TN. | title = C11orf95-RELA fusions drive oncogenic NF-κB signalling in ependymoma. | journal = Nature | volume = 506 | issue = 7489 | pages = 451-5 | month = Feb | year = 2014 | doi = 10.1038/nature13109 | PMID = 24553141 }}</ref> | |||
#*L1CAM +ve / Nuclear NFkappaB +ve.<ref>{{Cite journal | last1 = Pietsch | first1 = T. | last2 = Wohlers | first2 = I. | last3 = Goschzik | first3 = T. | last4 = Dreschmann | first4 = V. | last5 = Denkhaus | first5 = D. | last6 = Dörner | first6 = E. | last7 = Rahmann | first7 = S. | last8 = Klein-Hitpass | first8 = L. | title = Supratentorial ependymomas of childhood carry C11orf95-RELA fusions leading to pathological activation of the NF-κB signaling pathway. | journal = Acta Neuropathol | volume = 127 | issue = 4 | pages = 609-11 | month = Apr | year = 2014 | doi = 10.1007/s00401-014-1264-4 | PMID = 24562983 }}</ref> | |||
#*Majority of supratentorial ependymoma in children. | |||
#Anaplastic ependymoma. | #Anaplastic ependymoma. | ||
#[[Myxopapillary ependymoma]]. | #[[Myxopapillary ependymoma]]. | ||
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#[[Subependymoma]]. | #[[Subependymoma]]. | ||
#*Typically seen in IVth ventricle. | #*Typically seen in IVth ventricle. | ||
The designation ''Cellular ependymoma'' is depreceated. | |||
==Gross== | ==Gross== | ||