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Paper Abstract and Keywords
Presentation 2009-01-19 13:30
[Poster Presentation] A semi-automatic approach for evaluating thoracic kyphosis and lumbar lordosis on X-ray CT images
Tatsuro Hayashi, Xiangrong Zhou, Huayue Chen, Takeshi Hara, Hiroshi Fujita, Ryujiro Yokoyama, Masayuki Kanematsu, Hiroaki Hoshi (Gifu Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) A spinal curvature contributes to maintaining spinal balance, and maintaining normal spinal curvature is important for the treatment of spinal disorders. Cobb method, based on the vertebral end-plate, is most frequently used for evaluating a spinal curvature by clinicians. However, a vertebral endplate has a ridge that results in a poor reproducibility of Cobb method. Purpose of this study is to develop a novel method which evaluates a spinal curvature in X-ray CT images. This method consists of three contents. First, skeleton is extracted on CT images. Second, vertebral canal is extracted, and the median plane image of spine is reconstructed based on it. Third, spinal curvature is quantified on the median plane image. Performance of this method was evaluated by comparison with a Cobb method. An experimental result showed a strong correlation between this method and a Cobb method. Therefore, a possibility that this method could evaluate for a spinal curvature was suggested.
Keyword (in Japanese) (See Japanese page) 
(in English) Vertebral canal / Thoracic kyphosis / Lumbar lordosis / Cobb method / X-ray CT image / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 385, MI2008-80, pp. 97-100, Jan. 2009.
Paper # MI2008-80 
Date of Issue 2009-01-12 (MI) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee MI  
Conference Date 2009-01-19 - 2009-01-21 
Place (in Japanese) (See Japanese page) 
Place (in English) National Taiwan University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Medical Imaging 
Paper Information
Registration To MI 
Conference Code 2009-01-MI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A semi-automatic approach for evaluating thoracic kyphosis and lumbar lordosis on X-ray CT images 
Sub Title (in English)  
Keyword(1) Vertebral canal  
Keyword(2) Thoracic kyphosis  
Keyword(3) Lumbar lordosis  
Keyword(4) Cobb method  
Keyword(5) X-ray CT image  
1st Author's Name Tatsuro Hayashi  
1st Author's Affiliation Gifu University (Gifu Univ.)
2nd Author's Name Xiangrong Zhou  
2nd Author's Affiliation Gifu University (Gifu Univ.)
3rd Author's Name Huayue Chen  
3rd Author's Affiliation Gifu University (Gifu Univ.)
4th Author's Name Takeshi Hara  
4th Author's Affiliation Gifu University (Gifu Univ.)
5th Author's Name Hiroshi Fujita  
5th Author's Affiliation Gifu University (Gifu Univ.)
6th Author's Name Ryujiro Yokoyama  
6th Author's Affiliation Gifu University (Gifu Univ.)
7th Author's Name Masayuki Kanematsu  
7th Author's Affiliation Gifu University (Gifu Univ.)
8th Author's Name Hiroaki Hoshi  
8th Author's Affiliation Gifu University (Gifu Univ.)
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Date Time 2009-01-19 13:30:00 
Presentation Time 210 
Registration for MI 
Paper # IEICE-MI2008-80 
Volume (vol) IEICE-108 
Number (no) no.385 
Page pp.97-100 
#Pages IEICE-4 
Date of Issue IEICE-MI-2009-01-12 

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