Diagnostic accuracy of the double-contrast enema for colonic polyps in patients with or without diverticular disease |
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| Authors: | C Morosi G Ballardini P Pisani M Bellomi G Cozzi M Vidale P Spinelli A Severini |
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| Affiliation: | Divisione di Radiologia Gastroenterologica, Instituto Nazionale per lo Studio e la Cura dei Tumori (INT), Milan, Italy. |
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| Abstract: | The accuracy of the double-contrast enema for the diagnosis of polypoid lesions in the presence or absence of diverticula was evaluated by retrospectively reviewing the medical records of 202 patients subjected to examination and endoscopy. Analysis of the data on 215 polypoid lesions showed that (a) the diagnostic accuracy of the examination is not affected significantly by the presence of diverticula; (b) the sensitivity of the examination is highly dependent on the size of the polyps (smaller or larger than 0.5 cm) but not on the form (sessile or pedunculated); and (c) the positive predictive value is higher in patients without diverticula. The double-contrast enema was confirmed to be a valid method for the diagnosis of polypoid lesions. |
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