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Proceedings Paper

A prospective study of CAD system for lung cancer based on helical CT image
Author(s): Michito Hasegawa; Mitsuru Kubo; Yoshiki Kawata; Noboru Niki; Hironobu Ohmatsu; Ryutaro Kakinuma; Masahiro Kaneko; Masahiko Kusumoto; Y. Nishiyama; Kenji Eguchi; Noriyuki Moriyama
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Paper Abstract

Chest CT images obtained by CT scanner have drawn a great interest in suspicious region detection. However, mass screening based on CT images leads a considerable number of images to be diagnosed. CAD system for lung cancer that detects tumor candidates at early stage from CT images has developed. In July 1997, clinical trial using first version of the CAD system in Anti-Lung Cancer Association (National Cancer Center Hospital and National Cancer Hospital East) started. As following stage, clinical trial using second version of the CAD system that supports comparative reading function started in April 2002. We expect that CAD system reduces diagnosis time and increase the reliability. In this paper, we describe the clinical trial results using the CAD system from July 1997 and the detection results of the CAD system for supporting mass screening in a prospective study. The results show that the CAD system improves diagnostic accuracy and throughput. And we describe the future of CAD system.

Paper Details

Date Published: 4 May 2004
PDF: 8 pages
Proc. SPIE 5372, Medical Imaging 2004: Image Perception, Observer Performance, and Technology Assessment, (4 May 2004); doi: 10.1117/12.534037
Show Author Affiliations
Michito Hasegawa, Univ. of Tokushima (Japan)
Mitsuru Kubo, Univ. of Tokushima (Japan)
Yoshiki Kawata, Univ. of Tokushima (Japan)
Noboru Niki, Univ. of Tokushima (Japan)
Hironobu Ohmatsu, National Cancer Ctr. Hospital East (Japan)
Ryutaro Kakinuma, Research Ctr. for Cancer Prevention and Screening (Japan)
Masahiro Kaneko, National Cancer Ctr. Hospital (Japan)
Masahiko Kusumoto, National Cancer Ctr. Hospital (Japan)
Y. Nishiyama, Social Health Insurance Medical Ctr. (Japan)
Kenji Eguchi, Tokyo Univ. School of Medicine (Japan)
Noriyuki Moriyama, National Cancer Ctr. Hospital (Japan)


Published in SPIE Proceedings Vol. 5372:
Medical Imaging 2004: Image Perception, Observer Performance, and Technology Assessment
Dev P. Chakraborty; Miguel P. Eckstein, Editor(s)

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