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Ⅰ.はじめに
同一腫瘍塊でも,部位により臨床所見や組織像が多彩である症例は,リンパ上皮腫をはじめ,扁平上皮癌と腺癌の混成癌や混合腫瘍など,日常臨床で経験することは少なくない。今回,私たちは,蝶形骨洞内に浸潤し,鼻咽腔に進展した脊索腫を経験したが,腫瘍塊内に大きな血液塊が混在し,その成因について考察し,従来の田所30),白川29)らの所見とも,いささか異なるものではあるが,"血瘤腫"なる名称が妥当であると考えた。識者のご批判を仰ぎたい。
A 68-year-old male was suffered from stuffy nose & left abducent nerve palsy. Surgery revealed that a tumor mass located at the sphenoid & ethomoid sinuses with an extension to the nasopharyngeal space but not to the clivus, superior cervical spine or intracranial region. Bloody content was also observed in the tumor mass. Histological examination revealed that the tumorwas chordoma originated from the sphenoid area There was a hemorrhagic area in the tumor mass, but the exact foci of hemorrhage was not determined.
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