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Computed tomography pneumocolon had a low sensitivity for detecting colorectal neoplasms

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 QUESTION: How accurate is computed tomography (CT) pneumocolon for detecting colorectal neoplasms in patients scheduled for colonoscopy?

Design

Blinded comparison of CT pneumocolon and colonoscopy.

Setting

1 hospital in London, UK.

Patients

201 consecutive patients (mean age 71 y, 59% women) receiving colonoscopy for detection of colorectal neoplasms. Exclusion criteria were age <55 years, history of inflammatory bowel disease, and family history of colon cancer in an asymptomatic patient.

Description of test and diagnostic standard

Standard bowel preparation was done for all patients. A CT pneumocolon examination was done in the supine position for all patients and in the prone position for most patients. …

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Footnotes

  • Source of funding: no external funding.

  • For correspondence: Dr Z Amin, Department of Radiology, Chelsea and Westminster Hospital, 369 Fulham Road, London SW10 9NH, UK. Fax +44 (0)208 746 8588.