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題 名 | 利用超高速CT及三維立體重建技術診斷腦部血管瘤=Evaluation of Intracranial Aneurysm with Three-Dimensional CT Angiograpry |
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作 者 | 吳綠茵; 連振東; 俞芹英; 陳勁宇; 孫永年; | 書刊名 | 中華放射線技術學雜誌 |
卷 期 | 21:1 1997.04[民86.04] |
頁 次 | 頁1-6 |
分類號 | 415.2165 |
關鍵詞 | 腦血管瘤; 電腦三維立體影像重組; 傳統血管攝影; Hi-Speed CT; |
語 文 | 中文(Chinese) |
英文摘要 | Hi-Speed CT Angiography is a recently developed noninvasive imaging technique. The vascular structures can be imaged with an approprate delay after intravenous contrast injection and then can be reconstructed to produce a three-dimensional(3D) representation of CT information. In this study, we will presented specific applications of Hi Speed CT Angiography in the evaluation of incranial aneurysms of 19 patients, ageal from 34-80 years old. Initially an nonenhanced CT scan is recommended for tow purposes: first, enables the exact localization of the vasculature; second, provides a baseline to identify calcium within the vessel wall before contrast injecrion. CT Angiography will be performed with a 1 mm collimated helical scan with a 1:1 pitch. We used the MIP protocol to reconstruct the vessels. Reconst ructions are performed completely on line by the AW and provide a 3-D image of the vessel. The results will be presented and dicussed. |
本系統中英文摘要資訊取自各篇刊載內容。