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Current Status of CT Colonography Daisuke Tsurumaru 1 , Yusuke Nishimuta 1 , Satohiro Kai 1 , Noriyuki Takatsu 2 , Mitsutoshi Miyasaka 2 , Toshio Muraki 3 , Masanobu Ueda 3 , Masanori Imuta 4 , Narumi Hayashi 4 , Mototaka Miyake 5 , Kazuhiro Mori 6 , Kazuhiro Maeda 6 , Kousei Ishigami 1 1Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan 2Department of Gastrointestinal Endoscopy, National Hospital Organization Kyushu Cancer Center, Fukuoka, Japan 3Department of Radiology, Munakata Medical Association Hospital, Munakata, Japan 4Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan 5Department of Diagnostic Radiology, National Cancer Center Hospital, Tokyo 6Tenjin Clinic, Medical Corporation Shin-ai, Fukuoka, Japan Keyword: CT colonography , 大腸CT , 大腸癌 , 大腸ポリープ , 大腸がん検診 pp.1281-1289
Published Date 2022/9/25
DOI https://doi.org/10.11477/mf.1403203001
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 CTC(CT colonography)is a CT technique specialized for the large bowel, in which the latter is dilated with air supplied through the anus. In Japan, it is widely accepted as a preoperative examination for CRC(colorectal cancers)and as a screening test for colorectal polyps. The primary tumor can be visualized in the preoperative workup to examine nodal and distant metastases. With screening tests for colorectal polyps, the detection rate is acceptable with a sensitivity of 73%-98% and specificity of 80%-93% with sizes of 6mm or greater. Currently, CTC has entered a new phase in CRC treatment thanks to technological innovations in CT equipment and advances in artificial intelligence.


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

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