Clinical test in a prospective study of a CAD system for lung cancer based on helical CT images

Kazuhori Kubota; Mitsuru Kubo; Yoshiki Kawata; Noboru Niki; Kenji Eguchi; Hironobu Ohmatsu; Ryutaro Kakinuma; Masahiro Kaneko; Noriyuki Moriyama

doi:10.1117/12.467087

9 May 2002 Clinical test in a prospective study of a CAD system for lung cancer based on helical CT images

Kazuhori Kubota, Mitsuru Kubo, Yoshiki Kawata, Noboru Niki, Kenji Eguchi, Hironobu Ohmatsu, Ryutaro Kakinuma, Masahiro Kaneko, Noriyuki Moriyama

Author Affiliations +

Proceedings Volume 4684, Medical Imaging 2002: Image Processing; (2002) https://doi.org/10.1117/12.467087
Event: Medical Imaging 2002, 2002, San Diego, California, United States

Abstract

We have developed a computer assisted automatic detection system for lung cancer that detects tumor candidates at an early stage from helical CT images. In July 1997, we started the comparative field trial using our system prospectively. Chest CT images obtained by helical CT scanner have drawn a great interest in the detection of suspicious regions. However, mass screening based on helical CT images leads to a considerable number of images to be diagnosed. We expect that our system can reduce the time complexity and increase diagnostic confidence. In this paper, we describe the detection results of the system for the nodules of definite diagnosis. We show the clinical test results in a prospective study. The results show that the system can detect lung cancer candidates at an early stage successfully and can be applied to a mass screening. In addition, we describe the necessity of the CAD system having the function which can be compared with the previous CT images.

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Kazuhori Kubota, Mitsuru Kubo, Yoshiki Kawata, Noboru Niki, Kenji Eguchi, Hironobu Ohmatsu, Ryutaro Kakinuma, Masahiro Kaneko, and Noriyuki Moriyama "Clinical test in a prospective study of a CAD system for lung cancer based on helical CT images", Proc. SPIE 4684, Medical Imaging 2002: Image Processing, (9 May 2002); https://doi.org/10.1117/12.467087

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KEYWORDS

CAD systems

Cancer

Lung cancer

Computer aided diagnosis and therapy

Computed tomography

X-ray computed tomography

Diagnostics

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