An Accuracy of Detecting a Colorectal Early Cancer by Barium Enema Masaaki Matsukawa 1 1Department of Gastroenterology, Showa University Toyosu Hospital Keyword: 早期大腸癌 , X線検査 , 内視鏡検査 pp.705-711
Published Date 1998/4/25
DOI https://doi.org/10.11477/mf.1403103686
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 We have standardised a barium enema for detecting colorectal early cancer by a newly devised preparation. It involves about 75% w/v of barium suspension and the taking of 16 radiographs. The newly devised preparation consists of a greatly increased proportion of isotonic citrated magnesium solution (25 ml/kg BW) and an increase of the peristaltic drug (cysapride). We have been taking 16 radiographs in at least two directions in a colonic segment in order to detect early cancer. We have detected 295 lesions (295 cases) of early cancers (230 m cancers and 65 sm cancers) of the colon and rectum from Jan. 1992 to June 1997 in our department. 94 of these lesions were detected by using barium enema, and we made a study of the accuracy rate in detecting early cancer by barium enema. The rate of detection of early cancer by barium enema is 89%, compared with 93% by colonoscopy. There is not a significant difference between barium enema and colonoscopy for detecting early cancer. Therefore, in group checkups for colorectal cancer an examination by barium enema is as effective as colonoscopy for detecting early cancers.

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