Abstract
A retrospective review of 176 patients with adenocarcinoma of the colon who underwent total colonoscopy preoperatively demonstrated synchronous carcinomas in 3.4 percent and synchronous polyps in 55.1 percent. Full-column barium enemas (68 patients) failed to identify cancer in 22 percent of patients and synchronous polyps in 58 percent of patients, a statistically significant (P<0.001) number of falsenegative examinations. Double-contrast barium enemas (30 patients) failed to identify cancer in 27 percent of patients and synchronous polyps in 42 percent of patients, also a statistically significant (P<0.007) number of false-negative examinations. Full column and air contrast barium enemas identified all index cancers with distant metastases. Air-contrast barium enemas failed to identify 40 percent of “early” index cancers (confined to the bowel wall, negative nodes), and full-column barium enemas failed to identify 32 percent. The incidence of synchronous carcinoma and polyps underscores the need for total colon evaluation when a primary carcinoma is detected. Because of the poor accuracy of barium studies, total colonoscopy is the method of choice for this evaluation.
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Read at the meeting of the American Society of Colon and Rectal Surgeons, San Diego, California, May 5 to 10, 1985.
An erratum to this article is available at http://dx.doi.org/10.1007/BF02554259.
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Thorson, A.G., Christensen, M.A. & Davis, S.J. The role of colonoscopy in the assessment of patients with colorectal cancer. Dis Colon Rectum 29, 306–311 (1986). https://doi.org/10.1007/BF02554117
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DOI: https://doi.org/10.1007/BF02554117