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題名 | 電腦斷層血管攝影在診斷顱內動脈疾病的評估=Diagnosis Sensitivity of CT-Angiography for Intracranial Arterial Diseases |
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作者 | 沈戊忠; | 書刊名 | 中華放射線醫學雜誌 |
卷期 | 23:6 1998.12[民87.12] |
頁次 | 頁201-206 |
分類號 | 415.92 |
關鍵詞 | 電腦斷層攝影; 血管攝影; 大腦; 腦; 動脈瘤; 蜘蛛網膜下腔出血; 腦梗塞; CT; Angiography; Aneurysm; Cerebral; Brain; Subarachnoid hemorrhage; Infarction; |
語文 | 中文(Chinese) |
中文摘要 | 研究電腦斷層血管攝影(CTA)對顱內疾病,尤其動脈瘤及腦血管梗塞的診斷效果。兩年間我們使用螺旋電腦斷層攝影儀做CTA,其中包括69例疑似動脈瘤患者,17例腦梗塞患者,以及3例腦瘤患者。對於懷疑動脈瘤者,69例中,52例中找到56個動脈瘤,尤其是自發性蜘蛛網膜下腔出血(SAH)患者,發現動脈瘤比率達88%,(52例中46例有動脈瘤)。在腦梗塞方面,則對大動脈梗塞可看到血管阻塞處,至於小梗塞則無診斷價值。CTA可做為 SAH患者或因其他原因懷疑有顱內動脈瘤之診斷工具。對於大動脈梗塞診斷效果很好,但對於小梗塞則無診斷價值。對於腦瘤診斷效果不佳。 |
英文摘要 | To assess the diagnosis sensitivity of CT-angiography in intracranial arterial diseases, particularly for aneurysm and arterial occlusion. During the period from July 1996 to July 1998, we performed CT-angiography for intracranial arterial diseases, using spiral CT, in 69 patients with suspicion of intracranial aneurysms, 17 patients with suspicion of brain infarctions, and 3 patients with brain tumors. For the 69 patients with suspected aneurysm, 56 aneurysms were found in 52 patients. Among patients with spontaneous subarachnoid hemorrhage (SAH), 88% had aneurysms. In case of acute cerebral infarctions due to occlusion of the middle cerebral artery (MCA), CT-angiography could detect the occlusion site in all cases. However in cases of small infarctions, CT-angiography was not helpful. CT-angiography is the first-line diagnostic tool for spontaneous SAH and for the patients suspected of having intracranial aneurysm due to other symptoms. CT-angiography is also a good diagnostic modality for detecting occlusion of the main artery when the infarction is in acute stage. |
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