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- W2916830582 abstract "Abstract Purpose . In the framework of the 3-year project of theItalian Legatumori (2003-2006), we evaluated thediagnostic accuracy of computed tomography (CT)colonography in detecting colorectal lesions in a screeningpopulation with positive faecal occult blood test (FOBT). Materials and methods . Two hundred and thirtyasymptomatic subjects (age range 45–80 years) wereenrolled in the study. CT colonography was performedwith standard patient preparation (no faecal tagging) and a4-detector-row CT scanner. Image analysis was carried outwith primary 2D analysis and the use of 3D endoluminalviews to solve difficult cases. Patients were referred forconventional colonoscopy in the following situations:detection of three or more suspected lesions withmaximum diameter ≤6 mm; evidence of one or morelesions with maximum diameter >6 mm; presence ofcolonic masses (maximum diameter >3 cm). Results . CT colonography detected colonic masses in 12out of 135 subjects (8%). It generated 93 false positivesand 19 false negatives in the identification of diminutivelesions (≤6 mm), and 70 false positives and six falsenegatives in lesions >6 mm. Sensitivity was 83% insmaller lesions and 93% in lesions >6 mm; specificity was45% and 59%, respectively." @default.
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- W2916830582 date "2009-01-01" @default.
- W2916830582 modified "2023-09-24" @default.
- W2916830582 title "Diagnostic accuracy of CT colonography in patients with positive faecal occult blood test: results of the Italian project Legatumori 2003-2006 Accuratezza diagnostica della colonscopia virtuale: studio prospettico di una popolazione di screening con SOF positivo. Risultati del Progetto Italiano Legatumori 2003-2006" @default.
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