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Delineation of the Cisternal Architecture with Three-dimensional CT Cisternography and Its Transparent Imaging Toru SATOH 1 1Department of Neurological Surgery, Ryofukai Satoh Neurosurgical Hospital Keyword: computed tomomographic cisternography , intracranial aneurysm , perspective volume rendering , virtual endoscopy , transparent imaging pp.1067-1073
Published Date 2002/10/10
DOI https://doi.org/10.11477/mf.1436902284
  • Abstract
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We used three-dimensional imaging of the cisternal architecture with perspective volume rendering of CT cister-nography in patients with unruptured cerebral aneurysms. Selective changes in the opacity chart of computed tomo-graphic values, based on the use of a function of downward slope, represented the contour of the structures located in the cisternal space. In addition to this, using a spiked peak curve, it was possible to show the contour of the outer wall of the cisternal structures as a series of rings, which provided a transparent view inside and/or outside the cis-tern through the spaces between the rings.


Copyright © 2002, 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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