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頁籤選單縮合
題 名 | 電腦斷層血管攝影在顱內動脈疾病檢查之應用=The Role of CT-Angiography for the Intracranial Arteries |
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作 者 | 陳東明; 洪明澤; 陳瑞芬; 沈戊忠; | 書刊名 | 中華放射線技術學雜誌 |
卷 期 | 22:1 1998.06[民87.06] |
頁 次 | 頁57-61 |
分類號 | 416.14 |
關鍵詞 | 電腦斷層血管攝影; 蜘蛛網膜下腔出血; 缺血性中風; CTA; CT-angiography; |
語 文 | 中文(Chinese) |
中文摘要 | 一般血管疾病之檢查可以使用傳統之血管攝影、杜卜勒超音波、核子醫學、核磁共振血管攝影等方法。三度立體空間電腦斷層血管攝影(3-dimensional CT-angiography,以下簡稱CTA)是1990年代螺旋狀電腦斸層檢查儀(spiral CT)發明後,才發展出來的新檢查技術。隨著電腦的進步,CTA技術已愈來愈成熟。本院自85年2月購置spiral CT至今,對約有 50 個疑是顱內血管疾病之病患實施CTA檢查。本文將展示我們使用CTA的心得。 |
英文摘要 | Introduction:We report our experience with CTA in the evaluation of diseases of the intracranial arteries. Subjects and Methods:The patients with spontaneous subarachnoid hemorrhage (SAH)and TIA or minor stroke received CTA evaluation. Using a Picker PQ2000 spiral CT scanner for imaging collection and SUN workstation for imaging analysis. The scan beginning 10mm below the sellar floor and covering a total area of 50mm. The circle of Willis and the middle and anterior cerebral arteries were included in the scan area. Three-dimensional CT reformations were obtained using the surface rendering method. For comparison, all SAH patients also received conventional carotid angiography and all patients with ischemic infraction also received MR angiography. Results:Of the eight SAH patients, seven were found to have an aneurysm either in the posterior communicating arteries (three patients) or in the anterior communicating arteries(three patients),and one patient had negative findings. The CTA findings in all of the patients were in agreement with conventional carotid angiographic finding. Of the six patients with ischemic encephalopathies, three patients were found to have stenosis in the middle cerebral arteries, two had an occlusion of the middle or posterior cerebral arteries, and one patient had negative findings. Conclusion: CTA is a good non-invasive modality for the evaluation of main intracranial arteries. |
本系統中英文摘要資訊取自各篇刊載內容。