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KMID : 1001920160590060643
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Journal of Korean Neurosurgical Society
2016 Volume.59 No. 6 p.643 ~ p.646
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Expanded Endoscopic Transnasal Approach to the Chordoid Glioma of the Third Ventricle : The First Case Ever Reported
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Zeinalizadeh Mehdi
Sadrehosseini Seyed Mousa
Meybodi Keyvan Tayebi
Sharifabadi Ali Heidari
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Abstract
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Chordoid glioma of the third ventricle is a rare and challenging tumor to surgery because of its unique anatomical location and its close juxtaposition to the neurovascular structures and hypothalamus. The authors report a case of chordoid glioma of the third ventricle in a 43-year-old woman, who presented with headache and somnolence. The tumor was approached by endoscopic transnasal technique with a favorable result. Histopathologic examination disclosed a neoplastic tissue composed of eosinophilic epithelioid cells, mucinous, periodic acid Schiff-diastase positive, extracellular matrix, and scattered lymphoplasmacytic infiltrates. The best treatment option remains controversial. Customarily, the surgical route to remove chordoid glioma is transcranial; however, the undersurface of the optic chiasm and optic nerves preclude an adequate surgical visualization. In contrast, an expanded endoscopic transnasal approach provides a direct midline corridor to this region without any brain retraction.
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KEYWORD
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Chordoid glioma , Third ventricle , Suprasellar , Expanded endoscopic transnasal approach
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