“…Moreover, magnifying DCE requires additional costs for specialized colonoscopies and a considerable learning curve to improve the diagnostic ability for nonexperts. 25 Recently, several studies have evaluated the use of NBI without magnification in determining polyp histology for similar reasons. 6,15,16,[20][21][22] A study by Rastogi et al 15 demonstrated that the sensitivity, specificity, and accuracy of the NBI without magnification was 95%, 88%, and 92%, respectively, in 170 polyps 5 mm or smaller.…”