Processes of the Diagnosis for Stenotic Lesions in the Large Intestine Using Integrated Imaging Modalities Seiji Shimizu 1 , Chihiro Yokomizo 1 , Hideo Tomioka 1 , Wataru Fukuda 1 , Koichi Uejima 1 , Eiwa Ishida 2 1Division of Gastroenterology and Hepatology, Osaka General Hospital of West Japan Railway Company, Osaka, Japan 2Division of Pathology, Osaka General Hospital of West Japan Railway Company, Osaka, Japan Keyword: 大腸 , 狭窄 , 鑑別診断 pp.1255-1266
Published Date 2015/9/25
DOI https://doi.org/10.11477/mf.1403200400
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 At present, most colorectal diseases are diagnosed by colonoscopy ; however, the diagnosis of diseases causing stenosis often becomes possible only by employment of other imaging modalities such as barium enema, CT, MRI, and ultrasonography. Of these, CT is useful for evaluation of extramural changes and barium enema for evaluation of mural ones. The findings related to stenotic lesions are classified into four categories : 1)stenoses with elevated lesions, 2)stenoses with ulcers, 3)stenoses with erosions, and 4)stenoses without such changes. Of them, the last category is the most difficult to diagnose. In this article, the features of disorders corresponding to each finding and the points of differential diagnosis are described.

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