2013
DOI: 10.5414/np300607
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Primary intraventricular gliosarcoma

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Cited by 6 publications
(6 citation statements)
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“…Our case presented as a heterogeneously enhancing mass with enhancement observed in the ependymal lining of the occipital horn, similar to the patient presentation described by Baldawa et al. in 2017 [16] . Restricted diffusion on diffusion-weighted imaging was observed for the intraventricular GS in our case, and a similar finding was described for the cases reported by Sarkar in 2011 [13] and Hsu in 2012 [15] .…”
Section: Discussionsupporting
confidence: 88%
“…Our case presented as a heterogeneously enhancing mass with enhancement observed in the ependymal lining of the occipital horn, similar to the patient presentation described by Baldawa et al. in 2017 [16] . Restricted diffusion on diffusion-weighted imaging was observed for the intraventricular GS in our case, and a similar finding was described for the cases reported by Sarkar in 2011 [13] and Hsu in 2012 [15] .…”
Section: Discussionsupporting
confidence: 88%
“…The intraventricular location of gliosarcoma possesses a greater potential for transependymal spread, as suggested by Moiyadi et al [7]. The reported literature on IVGS supports this consequence with four reports of neuraxial dissemination [7,8,11,17]. Currently, our patient has no evidence of extracranial or ependymal involvement; however, continued surveillance MRI imaging of the neuraxis is indicated and will be performed.…”
Section: Authorsupporting
confidence: 73%
“…GS usually presents as a supratentorial intraparenchymal lesion abutting the meninges, which is not unlike the presentation of a meningioma and has a predilection for the temporal, frontal, parietal, and occipital lobes in order of preference [4][5][6]. Exceptionally rare occurrences of GS in the intraventricular location have been reported in the literature [4][5][6][7][8][9][10][11][12][13][14][15][16]. However, given the lack of discrete imaging characteristics, intraventricular gliosarcoma (IVGS) can often be misdiagnosed as a lower-grade astrocytoma on initial evaluation [6].…”
Section: Introductionmentioning
confidence: 99%
“…Dle provedených genetických analýz mají gliosarkomy vyšší frekvenci mutace TP53 a nižší frekvenci EGFR amplifikace (0-8 %) než primární GBM [9]. Na druhé straně mají vyšší frekvenci PTEN mutace a p16 delece, ale nižší frekvenci TP53 mutace než sekundární GBM [17]. Tedy z pohledu frekvencí genetických alterací jsou gliosarkomy na půl cesty mezi primárními a sekundárními GBM, přičemž mutace TP53 je přítomna jak v gliální, tak v sarkomatózní komponentě [19].…”
Section: Discussionunclassified
“…Sarkomatózní komponenta má větší tendenci k diseminaci a často tvoří jedinou komponentu v metastázách [13]. Nejčastěji gliosarkomy metastazují do plic a jater, méně i do sleziny, nadledvinek, ledvin, ústní sliznice, kůže, kostí a lymfatických uzlin [14,17,18]. Existuje i diseminace v rámci CNS, přičemž intraventrikulární gliosarkomy se mohou šířit likvorovými cestami.…”
Section: Introductionunclassified