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Alessia Chini,Michele Manigrasso,Grazia Cantore,Rosa Maione,Marco Milone,Francesco Maione,Giovanni Domenico De Palma 대한소화기내시경학회 2022 Clinical Endoscopy Vol.55 No.2
Colorectal cancer is an important cause of morbidity and mortality worldwide. Optical colonoscopy (OC) is widely accepted as thereference standard for the screening of colorectal polyps and cancers, and computed tomography colonography (CTC) is a validalternative to OC. The purpose of this review was to assess the diagnostic accuracy of OC and CTC for colorectal lesions. A literaturesearch was performed in PubMed, Embase, and Cochrane Library, and 18 articles were included. CTC has emerged in recent years asa potential screening examination with high accuracy for the detection of colorectal lesions. However, the clinical application of CTCas a screening technique is limited because it is highly dependent on the size of the lesions and has poor performance in detectingindividual lesions <5 mm or flat lesions, which, although rarely, can have a malignant potential.