Radiological Diagnosis of Colorectal Disease with Stricture Formation Yusuke Saitoh 1 , Motoya Tominaga 1 , Takahiro Sasaki 1 , Ryuji Sugiyama 1 , Ryuji Sukegawa 1 , Ken-ichiro Ozawa 1 , Masaki Taruishi 1 , Mikihiro Fujiya 2 1Digestive Disease Center, Asahikawa City Hospital, Asahikawa, Japan 2Division of Gastroenterology, Hepatology, Hematology and Oncology, Department of Internal Medicine, Asahikawa Medical University, Asahikawa, Japan Keyword: 大腸狭窄 , 注腸X線造影検査 , 点・線・面理論 pp.1231-1246
Published Date 2015/9/25
DOI https://doi.org/10.11477/mf.1403200398
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 There are many colorectal diseases with stricture formation, and their diagnosis is of great importance. Currently, endoscopy is a popular diagnostic approach, and most colorectal diseases can be diagnosed by colonoscopy alone. However, it is sometimes difficult to diagnose colorectal disease with stricture formation by only colonoscopy because of the limitation of the visual field by a colonic stricture. In cases when scope passage is impossible because of a stricture or when a stricture is covered with normal mucosa, additional use of a barium enema study, endoscopic ultrasonography, or a computed tomography scan will be useful in order to accurately diagnose colorectal disease with stricture formation. A barium enema study is more useful for the diagnosis of inflammatory disease than of a tumor. The important factors that should be analyzed are as follows:(1)the site of the lesions(frequent site in each disease)(2)the shape of the lesions(point, line, and area),(3)the location of the lesions in the lumen(correlation with the tenia), and(4)the distribution of the lesions in the lumen(longitudinal or circular arrangement). Analysis of these factors will allow accurate diagnosis of most inflammatory diseases of the colon.

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