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Japanese

The Three-dimensional CT Angiography Findings of Ruptured Aneurysms Hardly Detectible by Repeated Cerebral Angiography Yasushi TAKABATAKE 1 , Eiichi UNO 1 , Kouichi WAKAMATSU 1 , Yoshie OKADA 1 , Takuro KANEKO 1 , Yoshitake TSUCHIYA 1 , Siro MIYAYAMA 2 1Departments of Neurosurgery, Fukui-ken Saiseikai Hospital 2Departments of Radiology, Fukui-ken Saiseikai Hospital Keyword: cerebral aneurysm , cerebral angiography , subarachnoid hemorrhage , three-dimensional CT angiography pp.237-243
Published Date 2000/3/10
DOI https://doi.org/10.11477/mf.1436901859
  • Abstract
  • Look Inside

We reported three cases of cerebral aneurysms hardly detectible by cerebral angiography, but easily de-tected by three-dimensional CT angiography (3D-CTA). These cases were ruptured aneurysms with sub-arachnoid hemorrhage. After detection of subarachnoid hemorrhage on CT scan, cerebral angiography was performed at first, but aneurysms were not detected. Subsequently 3D-CTA was carried out, and aneu-rysms were detected. In all cases, cerebral angiography was repeated, after the aneurysms had been found by 3D-CTA. This time aneurysms were all detected by cerebral angiography, but each case needed photo-graphs from special direction. The aneurysms were small by usual cerebral angiography and they were almost invisible behind the artery near which they existed. 3D-CTA was very useful for detection of small aneurysms, but small perforating arteries around the aneurysms were invisible by 3D-CTA. To find these perforating arteries, cerebral angiography was needed.


Copyright © 2000, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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