45-year-old man with vertigo.
45才男性 めまい
解答: Ecchordosis physaliphora (EP) , 泡状外脊索腫
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Key words: Ecchordosisphysaliphora, EP, 泡状外脊索症, 異所性 脊索の遺残
Key images:
通常のT2WI だとわかりにくい 上記の様に3DT2WI (今回は内耳道撮像目的)でないと難しい
References:
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Retroclivalecchordosisphysaliphora: MR imaging and review of the literature. AJNR. 2004, 25: 1851-1855
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Ecchordosis physaliphora and its variants: proposed new classification based on high-resolution fast MR imaging employing steady-state acquisition. EurRadiol. 2013 Oct;23(10):2854-60.
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Case 133:
Ecchordosis physaliphora. Radiology. 2008 May;247(2):585-8. No abstract available.
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A case of ecchordosis physaliphora presenting with an abducens nerve palsy: A rare symptomatic case managed with endoscopic endonasaltranssphenoidalsurgery. SurgNeurol Int. 2013;4:13.
8)AlkanO, Yildirim T, Kizilkiliç O, et al.
A case of ecchordosis physaliphora presenting with an intratumoral hemorrhage. Turk Neurosurg. 2009 Jul;19(3):293-6.
9)CiarpagliniR, Pasquini E, Mazzatenta D, et al.
Intraduralclivalchordoma and ecchordosis physaliphora: a challenging differential diagnosis: case report. Neurosurgery. 2009 Feb;64(2):E387-8; discussion E388.
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- http://radiopaedia.org/images/1892121
- http://radiopaedia.org/articles/ecchordosis-physaliphora
- http://www.ajnr.org/content/25/10/1851/F1.expansion.html
- http://www.neurology.org/content/75/23/e93/F1.expansion.html
- http://www.ajnr.org/content/25/10/1851/F2.expansion.html
- http://radiopaedia.org/articles/ecchordosis-physaliphora