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摘要


一位49歲男性病患,其鼻咽癌廣氾性地侵犯顱底且合併左側第六對腦神經麻痺。病人先抓受5,480Cgy的放射治療,然後再追加3,520cGY的劑量。兩個禮拜後病人出現神智不清的現象。腦部電腦斷層攝影顯示在蜘蛛膜下存有大量空氣,同時在側腦室也有氣-液層。我們給予抗生素以及保守性療法,可惜一個禮拜後病賽因為鼻咽腔大量出血而死亡。在本文中我們將討論氣顱現象的發生的原因及機轉。

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並列摘要


An extensive mass involving the skull base was found in a 49-year-old male patient with nasopharyngeal carcinoma. Deteriorating neurologic status developed 2 weeks after radiation to the nasopharynx with the initial dosage of 5480 cGy and boosted dosage of 3520 cGy. Computerized tomography revealed multiple foci of air occupying the subarachnoid space, and an air-fluid level was found in the lateral ventricle. Antibiotics and conservative treatments were administered to the patient and consciousness returned gradually. Unfortunately, he died of hypovolemic shock owing to massive bleeding from the nasopharynx 7 days later.

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