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KMID : 1035520170050020127
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Brain Tumor Research and Treatment : BTRT
2017 Volume.5 No. 2 p.127 ~ p.130
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Extra-Axial and Clear Cell Type Ependymoma, Mimicking a Convexity Meningioma
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Ahn Stephen
Kim Young-Joo
Lee Youn-Soo
Jeun Sin-Soo
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Abstract
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A 33-year-old woman presented with tingling and paresthesia on left extremity for 2 months. Magnetic resonance imaging revealed that the tumor was iso- and hypo-intensity on T1-weighted image, mixed iso- and high-signal intensity on T2-weighted images and heterogeneously enhanced with rim enhancement. Neither arachnoid cleft nor dural tail was certain but mass was located extra-axially so meningioma was suspected. During operation, tumor wasn’t attached to dura at all but arachnoid attachment was seen. Pathologically, clear cell type ependymoma was confirmed. Details of diagnosis and treatment of this tumor is described.
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KEYWORD
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Ependymoma, Meningioma
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