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Delineation of Cerebral Aneurysms with Transluminal Imaging of Three-dimensional MRA Toru SATOH 1 1Department of Neurological Surgery, Ryofukai Satoh Neurosurgical Hospital Keyword: magnetic resonance angiography , intracranial aneurysm , perspective volume rendering , virtual endoscopy , transluminal imaging pp.951-959
Published Date 2001/10/10
DOI https://doi.org/10.11477/mf.1436902110
  • Abstract
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We used transluminal imaging with perspective volume rendering of magnetic resonance angiography inpatients with unruptured cerebral aneurysms. Selective changes in the opacity chart of signal intensityvalues, based on using a spiked peak curve, represented the contour of vessels and aneurysmal walls as aseries of rings, which provided a transluminal view inside and/or outside the vessel lumen through thespaces between the rings. This imaging technique allowed direct visualization of the underlying objectsand offered an extensive perspective view of the architecture of an aneurysm, including an aneurysm andits parent arteries through the overlying vessel or aneurysmal walls, or through both in a single view.Transluminal imaging may be a useful adjunct modality for the intra- and extraluminal diagnosis of a cere-bral aneurysm, and for simulation of the interventional and surgical procedures for cerebral aneurysms.


Copyright © 2001, 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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