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Difference between revisions of "Neuropathology tumours"
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→Choroid plexus papilloma: +carcinoma
(→Chordoma: ddx) |
(→Choroid plexus papilloma: +carcinoma) |
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Image: | Image: | ||
*[http://commons.wikimedia.org/wiki/File:Choroid_plexus_papilloma_micrograph.jpg Choroid plexus papilloma (WC)]. | *[http://commons.wikimedia.org/wiki/File:Choroid_plexus_papilloma_micrograph.jpg Choroid plexus papilloma (WC)]. | ||
==Choroid plexus carcinoma== | |||
===General=== | |||
*Pediatric population. | |||
*Malignant counterpart of ''[[chorid plexus papilloma]]''.<ref name=pmid19679976>{{Cite journal | last1 = Singh | first1 = A. | last2 = Vermani | first2 = S. | last3 = Shruti | first3 = S. | title = Choroid plexus carcinoma: report of two cases. | journal = Indian J Pathol Microbiol | volume = 52 | issue = 3 | pages = 405-7 | month = | year = | doi = 10.4103/0377-4929.55009 | PMID = 19679976 }}</ref> | |||
*Poor prognosis - WHO grade III.<ref name=pmid20644273>{{Cite journal | last1 = Menon | first1 = G. | last2 = Nair | first2 = SN. | last3 = Baldawa | first3 = SS. | last4 = Rao | first4 = RB. | last5 = Krishnakumar | first5 = KP. | last6 = Gopalakrishnan | first6 = CV. | title = Choroid plexus tumors: an institutional series of 25 patients. | journal = Neurol India | volume = 58 | issue = 3 | pages = 429-35 | month = | year = | doi = 10.4103/0028-3886.66455 | PMID = 20644273 |URL = http://www.neurologyindia.com/article.asp?issn=0028-3886;year=2010;volume=58;issue=3;spage=429;epage=435;aulast=Menon }}</ref> | |||
*Classically posterior fossa. | |||
===Microscopic=== | |||
Features:<ref name=pmid19679976/> | |||
*Choroid plexus epithelium with [[nuclear pleomorphism]] & high NC ratio. | |||
*Mitoses. | |||
*Necrosis. | |||
*+/-Brain invasion. | |||
==Chordoma== | ==Chordoma== | ||