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Abstract

Cerebral aneurysms: detection and delineation using 3-D-CT angiography.

S Aoki, Y Sasaki, T Machida, T Ohkubo, M Minami and Y Sasaki
American Journal of Neuroradiology July 1992, 13 (4) 1115-1120;
S Aoki
Department of Radiology, Faculty of Medicine, University of Tokyo, Japan.
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Y Sasaki
Department of Radiology, Faculty of Medicine, University of Tokyo, Japan.
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T Machida
Department of Radiology, Faculty of Medicine, University of Tokyo, Japan.
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T Ohkubo
Department of Radiology, Faculty of Medicine, University of Tokyo, Japan.
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M Minami
Department of Radiology, Faculty of Medicine, University of Tokyo, Japan.
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Y Sasaki
Department of Radiology, Faculty of Medicine, University of Tokyo, Japan.
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Abstract

PURPOSE We compared three-dimensional image (3-D-CT) angiography with conventional angiography to determine the clinical usefulness of this technique.

MATERIALS AND METHODS We studied 15 patients with cerebral aneurysms using dynamic CT with intravenous injection of contrast material and reconstructed 3-D-CT angiography.

RESULTS 3-D-CT angiography could be performed in conjunction with standard axial high-resolution CT without any additional scanning time and within 10-30 minutes for the overall study. All aneurysms were clearly visualized by 3-D-CT angiography. 3-D-reconstruction was very helpful in demonstrating the neck, shape, and direction of aneurysms, and adjacent vascular and bony structures. One small aneurysm that was difficult to detect on axial images was clearly visualized on 3-D-reconstruction.

CONCLUSION 3-D-CT angiography of cerebral aneurysms could be performed routinely and was helpful in demonstrating the complex anatomy of cerebral aneurysms and surrounding structures. This technique will be of value in surgical planning.

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American Journal of Neuroradiology
Vol. 13, Issue 4
1 Jul 1992
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Cite this article
S Aoki, Y Sasaki, T Machida, T Ohkubo, M Minami, Y Sasaki
Cerebral aneurysms: detection and delineation using 3-D-CT angiography.
American Journal of Neuroradiology Jul 1992, 13 (4) 1115-1120;

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Cerebral aneurysms: detection and delineation using 3-D-CT angiography.
S Aoki, Y Sasaki, T Machida, T Ohkubo, M Minami, Y Sasaki
American Journal of Neuroradiology Jul 1992, 13 (4) 1115-1120;
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