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Proceedings Paper

Comparison of conventional and CO2 quantitative angiography: fiz or fizzle?
Author(s): Catherine A. Kusnick; Carl M. Black; Elvira V. Lang; Maria Siebes; William Barnhart; Eric A. Hoffman
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Paper Abstract

Typically, quantitation of 2D angiographic data has been limited to assessment of luminal edges from a single or, at most, two views. Use of densitometric image information, which can give data more closely related to the 3D geometry of the vessel, has been largely ignored because of imaging problems associated with conventional contrast agents. Recently, in phantom studies, we have demonstrated that the use of CO2 as an angiographic contrast agent may eliminate many of the obstacles previously limiting the use of densitometric approaches to quantitating 2D angiograms. This may allow us to provide an evaluation more closely related to the 3D geometry of the vasculature of interest. In this paper, we discuss our approach to CO2 angiography and provide illustrative angiographic studies demonstrating the potential breakthrough CO2 angiography may provide in extracting 3D information from 2D data sets.

Paper Details

Date Published: 8 April 1996
PDF: 12 pages
Proc. SPIE 2709, Medical Imaging 1996: Physiology and Function from Multidimensional Images, (8 April 1996); doi: 10.1117/12.237854
Show Author Affiliations
Catherine A. Kusnick, Univ. of Iowa College of Medicine (United States)
Carl M. Black, Univ. of Iowa College of Medicine (United States)
Elvira V. Lang, Univ. of Iowa College of Medicine (United States)
Maria Siebes, Univ. of Iowa College of Medicine (United States)
William Barnhart, Univ. of Iowa College of Medicine (United States)
Eric A. Hoffman, Univ. of Iowa College of Medicine (United States)


Published in SPIE Proceedings Vol. 2709:
Medical Imaging 1996: Physiology and Function from Multidimensional Images
Eric A. Hoffman, Editor(s)

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