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Computed tomographic colonography without cathartic preparation performed well in detecting colorectal polyps

Clinical impact ratings IM/Ambulatory care Oncology Gastroenterology Geriatrics

Key Words: colonic polyps • colonography (computed tomographic)

The first 150 words of the full text of this article appear below.

METHODS
Design: blinded comparison of CTC with optical colonoscopy.

Setting: a university hospital in Rome, Italy.

Patients: 203 patients 35 years of age (mean age 61 y, 69% men) who were scheduled to have optical colonoscopy because of average risk colorectal cancer screening, personal or family history of colorectal polyps, family history of colorectal cancer, abnormal screening test result, iron deficiency anaemia, haematochezia, change in bowel habits, abdominal pain, or weight loss. Exclusion criteria were history of familial adenomatous polyposis or hereditary non-polyposis cancer syndromes; previous colorectal surgery; suspected inflammatory bowel disease, bowel obstruction, or acute diverticulitis; contraindications to bowel preparation or iodine containing contrast agents; or pregnancy.

Description of test: foecal tagging was done using an oral iodinated contrast agent, which patients ingested during the 5 principal meals 48 hours before CTC. CTC was done using a multidetector helical CT scanner. The colon was insufflated with room air with patients . . . [Full text of this article]

David F Ransohoff, MD

University of North Carolina at Chapel Hill
Chapel Hill, North Carolina, USA