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The Current Status and Issues of the Screening for Colorectal Cancer with CT Colonography Katsuhiko Mitsuzaki 1 , Shuji Tada 2 , Katsuhiko Matsuda 2 , Kumi Fukunaga 2 , Yoshiko Watanabe 2 , Moritaka Suga 1 , Takashi Sakamoto 1 , Johji Urata 3 , Kouichi Kudo 3 , Kenichi Yoshida 3 , Masayoshi Uehara 3 , Hiroyuki Eguchi 2 , Takihiro Kamio 4 , Yasushi Oda 5 1Medical Examination Center, Saiseikai Kumamoto Hospital, Kumamoto, Japan 2Department of Gastroenterology, Saiseikai Kumamoto Hospital, Kumamoto, Japan 3Department of Radiology, Saiseikai Kumamoto Hospital, Kumamoto, Japan 4Department of Pathology, Saiseikai Kumamoto Hospital, Kumamoto, Japan 5Department of International Medicine, Oda GI Endoscopy and Gastroenterology Clinic, Kumamoto, Japan Keyword: CT colonography , 大腸癌 , スクリーニング , 検査精度 pp.55-65
Published Date 2012/1/25
DOI https://doi.org/10.11477/mf.1403104784
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 In recent years, CTC(CT colonography)has been clinically applied in the screaning of colorectal cancers, and is regarded highly for its diagnostic accuracy. This has become possible because of widespread use of multi-slice CT and increased use of analysis software. In addition, CTC, which yields objective and reproducible results, is a high-potential screening method, in that it is a low-invasive test associated with only mild distress, and can be easily normalized. In this center, screening for colorectal cancers with CTC is being conducted, with its accuracy being proved by statisical data : sensitivity(91.4%), specificity(92.4%), PPV(69.6%), NPV(98.3%), proper diagnosis rate(92.3%), and rate of detecting cancer(0.21%). CTC is considered to have the potential to become a“new test for colorectal cancers”, and can play an important role in screening for such cancers.


Copyright © 2012, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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