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I.はじめに
頭蓋内脊索腫は,脊索の遺残組織より発生する稀な腫瘍である.頭蓋底部,仙尾骨,脊椎に好発し,周囲の神経組織を圧迫し,緩徐に発育する腫瘍であるといわれている.
われわれは,トルコ鞍部ならびに斜台部に発生した脊索腫の2例を経験し,腫瘍細胞の細胞形態と細胞化学的検討を併せて行ったので,文献的考察を加えて報告する.
Intracranial chordoma is very uncommon. We report two cases of intracranial chordoma with cyto-chemical studies.
Case 1: A 66-year-old housewife was admitted on Feburary 10, 1981, complaining of disturbance of visual acuity and bitemporal hemianopsia. A plain skull film showed normal finding with no calcification. CT showed a spherical ring cotrast enhancement with intraluminal low density area in the suprasellar cistern. Pneumoencephalogram showed a suprasellar mass with filling defect of the anterior part of the third ventricle. On February 28, 1981, the tumor was intracapsually removed by transfrontal approach.
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