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I.はじめに
第三脳室内に限局して発生する頭蓋咽頭腫は稀であり,現在までに22例の報告をみるにすぎず2,4,6,7,9,10,12,14,15,17,19,22-24),トルコ鞍隔膜上あるいは鞍内を好発部位とする同腫瘍とは臨床症状や放射線学的にも異なったclinical entityに属すると考えられる.今回,われわれはこのような第三脳室内限局性の頭蓋咽頭腫を経験し,全摘出術を施行して良好な結果を得たので文献的考察を加えて報告する.
A rare case of craniopharyngioma wholly located within the third ventricle is reported. A 55-year-old female was admitted to our hospital with the com-plaints of headache and fever of unknown origin. Neurological findings were normal. Computed tomogra-phy (CT) scan showed homogeneously enhanced mass lesion within the third ventricle. Axial and coronal CT scans disclosed an intact suprasellar cistern. The tumor was completely removed using an interhemispherictrans-lamina terminalis approach. Histological diagnosis was squamous cell type of craniopharyngioma.
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